Double Jacket EPDM Rubber Liner Supply Hose: Durable High-Flow Performance for Demanding Water Transfer

Reliable water transfer depends on more than hose diameter and nominal pressure. A supply hose must preserve its internal flow path, resist repeated handling, tolerate outdoor exposure, and remain dependable when used in difficult working environments. The Double Jacket EPDM Rubber Liner Supply Hose is designed around these practical requirements. Its combination of a high-tenacity polyester double jacket and an EPDM rubber lining provides a strong balance of durability, flexibility, chemical resistance, weather resistance, and efficient water delivery.

Unlike a basic single-jacket hose, this construction gives the hose an additional protective textile layer. The outer jacket helps shield the lining from abrasion and handling damage, while the inner EPDM tube provides a smooth passage for water and other compatible fluids. The result is a supply hose intended to move large volumes of water with low friction pressure loss and reduced weight compared with many heavier rigid or semi-rigid alternatives.

This product is suitable for fire protection support, construction water transfer, agricultural applications, water conservancy work, industrial fluid movement, and other situations in which a long, flexible supply line is needed. Available in 50-foot and 100-foot lengths, it can be selected according to deployment distance, storage requirements, and transportation convenience.

The hose is manufactured and supplied by Taizhou Shenlong Fire Science and Technology Co., Ltd., a company established in 1995 with experience in research and development, production, sales, and service. Its product range includes lined fire hoses and related hose products made from different materials. The company also undertakes customized foreign trade production for products such as rubber and PVC items according to customer requirements. This integrated business structure supports consistent product development, manufacturing coordination, and customer service.

Double Jacket EPDM Rubber Liner Supply Hose

What Is a Double Jacket EPDM Rubber Liner Supply Hose?

A double jacket EPDM rubber liner supply hose is a flexible hose constructed with two woven textile jackets surrounding an EPDM rubber lining. The two jackets are generally made from high-tenacity polyester yarn. They may be produced in twill weave or plain weave, depending on the required balance of flexibility, surface structure, abrasion resistance, and manufacturing specifications.

The outer textile layers act as the hose’s mechanical armor. They help protect the rubber liner against contact with rough ground, equipment edges, structural surfaces, and repeated dragging. They also contribute to the hose’s pressure-handling capability by containing the internal forces generated when the hose is filled and pressurized.

The EPDM liner forms the internal fluid pathway. EPDM, or ethylene propylene diene monomer rubber, is widely used where resistance to heat, weathering, ozone, moisture, and many chemicals is important. In a water supply hose, a suitable EPDM liner can help maintain a smooth internal surface and support efficient flow over repeated operating cycles.

Because the hose is flexible, it can be rolled for storage and transported to work areas more easily than many rigid pipes. Once deployed, it can be arranged around buildings, access roads, fields, construction zones, or other obstacles. This flexibility is especially useful where a permanent pipe system is unavailable or where a temporary water transfer route must be installed quickly.

Construction of the Hose

High-Tenacity Polyester Yarn

The hose uses high-tenacity polyester yarn in its jacket construction. Yarn strength is important because the jacket must withstand tension during deployment, pressure-related loading, contact with surfaces, and routine handling. Polyester is also valued for its relatively low weight, resistance to moisture, and suitability for woven technical textiles.

High-tenacity yarn helps the jacket maintain structural integrity while keeping the hose manageable for operators. This is an important distinction from extremely heavy hose constructions that may provide strength but require additional labor, equipment, and storage space. The goal is to achieve practical strength without making the supply line unnecessarily difficult to move.

Double Jacket Design

The double jacket provides a second layer of woven protection around the EPDM liner. In demanding applications, the outside of a hose may encounter gravel, concrete, soil, metal surfaces, vehicle traffic risks, or repeated contact with hose couplings. A single textile layer may be adequate for some light-duty environments, but a second jacket offers greater protection for applications where abrasion and handling are more severe.

The double jacket also supports service reliability by reducing the likelihood that surface wear will immediately expose or damage the liner. This does not mean that the hose is indestructible or suitable for uncontrolled dragging over sharp objects. Proper inspection and handling remain essential. However, the additional jacket provides a meaningful protective advantage over simpler constructions when the hose is used in demanding conditions.

Circular Woven Structure

The jacket is circular woven, which allows the textile reinforcement to form a continuous tubular structure around the liner. Circular weaving avoids a conventional longitudinal seam in the jacket and supports uniform coverage around the hose circumference. The available twill weave and plain weave options allow the construction to be adapted to different performance priorities.

Plain weave is characterized by a straightforward interlacing pattern and can offer a stable, practical textile structure. Twill weave may provide a different balance of flexibility, surface behavior, and yarn coverage. The appropriate weave selection depends on the intended application and the customer’s technical requirements.

EPDM Rubber Lining

The EPDM lining is the working surface that contacts the transported water or other compatible fluid. Its smooth internal passage helps reduce flow resistance. A smooth liner is particularly valuable in supply applications because the hose is intended to move large volumes of water, and unnecessary internal turbulence can increase energy loss and reduce system efficiency.

EPDM is also selected for its resistance to aging, ozone, ultraviolet exposure, heat, weather, and many chemical environments. These characteristics are useful when the hose is stored outdoors, deployed under sunlight, used in changing weather, or exposed to moisture for extended periods.

Compatibility must always be checked before conveying fluids other than water. Chemical resistance depends on the specific chemical, concentration, temperature, exposure time, and operating pressure. The hose should not be used with an unverified fluid simply because EPDM is generally described as chemically resistant.

Key Performance Advantages

Efficient Large-Volume Water Transfer

The hose is designed as a supply line for moving large volumes of water. Its internal EPDM liner provides a continuous flow path, while its flexible construction allows water routes to be established where rigid piping would be inconvenient. This makes it useful for fire support operations, temporary water distribution, construction sites, agricultural irrigation support, and water conservancy work.

In a properly designed system, the low-friction internal surface helps limit pressure loss. Lower pressure loss can support more efficient water movement, reduce unnecessary pump demand, and help maintain useful flow at the discharge point. Actual performance depends on hose diameter, length, flow rate, temperature, fittings, elevation changes, pump characteristics, and the number of bends in the system.

Low Friction Pressure Loss

Pressure loss is a key consideration in any water transfer system. When water flows through a hose, resistance is created by the internal surface, hose length, flow velocity, bends, couplings, and changes in elevation. A smooth rubber liner helps reduce internal resistance compared with rough or irregular flow passages.

The Double Jacket EPDM Rubber Liner Supply Hose is therefore suited to systems in which maintaining flow efficiency is important. It can help operators make better use of available pump pressure and reduce the energy wasted overcoming unnecessary friction. The hose does not eliminate pressure loss, but its construction is intended to keep that loss low under appropriate operating conditions.

Lightweight Handling

Supply hoses are frequently moved, deployed, drained, rolled, and stored by personnel. Excessive weight increases labor requirements and can slow emergency or industrial operations. The polyester double jacket provides reinforcement without relying entirely on heavy rigid materials, allowing the hose to remain comparatively lightweight and manageable.

Lower handling weight can benefit fire departments, contractors, agricultural workers, municipal crews, and industrial maintenance teams. It can make it easier to carry hose over uneven ground, position it around obstacles, and recover it after use. The practical handling advantage becomes even more important when several hose lengths are connected in one system.

Abrasion Resistance

Hoses often experience abrasion during deployment and recovery. The double textile jacket helps protect the rubber liner from surface wear caused by contact with soil, concrete, equipment, and other common working surfaces. Polyester yarn and circular woven construction provide a robust external structure for routine field use.

Abrasion resistance is not only a question of extending service life. It also supports operational confidence. A hose that retains its protective jacket over repeated handling is less likely to develop premature external damage. Even so, operators should avoid dragging the hose over sharp edges, driving over it with vehicles, or placing it against hot surfaces unless the application has been specifically assessed.

Resistance to Aging and Ozone

Rubber materials can deteriorate when exposed to oxygen, ozone, sunlight, heat, and changing weather conditions. EPDM is known for strong resistance to ozone and environmental aging. This makes it a practical liner material for outdoor supply hoses that may be used or stored in exposed locations.

Resistance to aging helps the liner retain useful flexibility and sealing performance over time, provided the hose is stored and maintained properly. Long-term performance also depends on avoiding excessive heat, improper folding, contact with incompatible chemicals, and prolonged exposure to conditions outside the product’s intended range.

Ultraviolet and Weather Resistance

Outdoor hose systems may be exposed to direct sunlight, rain, humidity, frost, and repeated temperature changes. The stated material construction is resistant to ultraviolet exposure and weathering, supporting use in outdoor fire, construction, agricultural, and water management applications.

Weather resistance is especially valuable for organizations that keep hose inventories in vehicles, depots, equipment rooms, or temporary outdoor storage areas. The hose should still be stored in a clean, dry, and reasonably protected location whenever possible. Good storage practices reduce unnecessary exposure and help preserve the jacket and liner.

Heat and Chemical Resistance

The product has a stated temperature range of -40°C to 100°C. This broad range makes it suitable for many cold-weather and warm-weather operating environments. The EPDM liner also offers resistance to heat and many chemicals, adding versatility for industrial and utility applications.

Temperature limits should be understood as operating guidance rather than permission to use the hose in every high-temperature situation. Pressure capability, fluid compatibility, environmental exposure, and connection materials may change as temperature increases. A complete application review is recommended when the hose will handle hot water, chemical solutions, or fluids other than ordinary water.

Advantages Compared with Common Alternative Hose Constructions

Product selection should always be based on application requirements, but the double jacket EPDM construction offers several practical advantages over simpler or less specialized alternatives.

Compared with Single-Jacket Supply Hose

A single-jacket hose may be lighter and economical for low-abrasion environments. However, it has only one woven protective layer between the operating environment and the liner. The double jacket adds another protective barrier, making the hose better suited to repeated deployment, rough surfaces, and demanding field conditions.

The additional jacket can also support longer usable service under comparable handling conditions. The exact result depends on usage, inspection, pressure, storage, and exposure, but the construction is designed for a higher level of protection than a basic single-jacket option.

Compared with Unlined Textile Hose

An unlined textile hose may be flexible and easy to store, but it does not provide the same smooth rubber flow passage as an EPDM-lined hose. The lack of a dedicated liner can affect fluid retention, pressure behavior, and resistance to certain operating conditions. The EPDM liner gives the supply hose a defined internal surface and helps maintain efficient flow.

Compared with Heavy Rigid Piping

Rigid piping can provide excellent structural stability, but it requires more planning, transport space, assembly time, and fixed support. It may be difficult to route through uneven terrain or around temporary obstacles. A flexible supply hose can be rolled, carried, connected, and repositioned more easily.

The hose is therefore a practical complement to rigid piping rather than an absolute replacement. Permanent systems may use fixed pipes, while temporary water transfer, emergency response, seasonal irrigation, construction dewatering, and remote operations may benefit from flexible hose lines.

Compared with Less Weather-Resistant Rubber Liners

Some rubber compounds may perform well in a narrow operating environment but deteriorate more quickly under ozone, sunlight, heat, or changing weather. EPDM is selected for its environmental resistance, giving this hose an advantage in outdoor applications where exposure is unavoidable.

Material selection should still be matched to the conveyed fluid. EPDM is not universally compatible with every oil, solvent, fuel, or chemical. A technical compatibility review should be completed before the hose is used outside water service.

Applications

Fire Protection and Firefighting Support

Supply hoses are used to transport water from a hydrant, pump, reservoir, or other source toward a firefighting operation. The large-volume design and low-friction characteristics can help support water delivery over practical distances. The double jacket protects the hose during deployment around buildings, roads, paved surfaces, and emergency equipment.

The hose can also be used in support systems where a water source must be connected to pumps, manifolds, or temporary distribution equipment. Firefighting organizations should verify all required pressure, coupling, diameter, testing, and regulatory specifications before placing the hose into service.

Construction Sites

Construction projects frequently require temporary water routes for dust suppression, concrete work, equipment cleaning, testing, drainage support, and general site operations. A flexible hose can be moved as the work area changes. Its abrasion-resistant double jacket is useful where the hose must cross active work zones, although suitable ramps, guards, or routing controls should be used where vehicles or machinery are present.

Agricultural Water Transfer

Agricultural operations may use supply hose to move water between pumps, tanks, irrigation areas, storage ponds, and temporary distribution points. The hose’s lightweight structure can simplify seasonal installation and removal. Its resistance to sunlight, weather, ozone, and mildew supports outdoor use when appropriate storage and maintenance procedures are followed.

Farm operators should confirm that the hose and any connected fittings are suitable for the intended water source, fertilizer solution, treatment chemical, or other fluid. Water used for irrigation, livestock, or crop applications may involve additional material and regulatory considerations.

Water Conservancy and Municipal Work

Water management projects may require flexible temporary lines for drainage, transfer, emergency bypasses, maintenance, and site rehabilitation. The hose can be deployed where a permanent pipeline is unavailable or where a short-term connection is more economical and practical.

Industrial Fluid Movement

Industrial facilities may use flexible supply hose for compatible water-based fluids, process support, equipment cooling, cleaning, and emergency response. The EPDM lining offers resistance to heat and many chemicals, but the exact fluid compatibility must be confirmed before use. An application review should consider chemical identity, concentration, temperature, pressure, and exposure duration.

Manufacturing Process and Production Strengths

Integrated Research and Development

Taizhou Shenlong Fire Science and Technology Co., Ltd. was founded in 1995 and operates across research and development, production, sales, and service. This integrated structure is an important manufacturing strength because product performance depends on more than the final assembly stage. Material selection, weaving design, lining quality, coupling requirements, packaging, and application feedback all influence the final product.

An integrated manufacturer can use customer feedback and field requirements to improve product specifications. For a double jacket EPDM hose, this may include evaluating jacket weave, liner formulation, flexibility, abrasion protection, length options, and compatibility with intended couplings. The ability to coordinate these areas helps create a more application-focused product rather than a generic hose with limited customization.

Textile Jacket Preparation

Manufacturing begins with appropriate high-tenacity polyester yarn and the preparation of the textile reinforcement. Yarn quality, consistency, tension control, and weaving conditions influence the uniformity of the finished jacket. A stable textile process helps ensure that the jacket covers the liner evenly and provides consistent support around the circumference.

The circular woven structure is particularly relevant to hose manufacturing because it forms a continuous tubular reinforcement. Twill weave and plain weave can be selected according to the required balance of surface characteristics, flexibility, coverage, and durability. Production control at this stage contributes directly to hose appearance and functional consistency.

EPDM Liner Production

The liner must be formed with a stable internal surface and suitable wall uniformity. EPDM compound preparation, extrusion conditions, dimensional control, and curing all influence the liner’s ability to perform under pressure and temperature changes.

A well-controlled liner process helps reduce irregularities that could increase flow resistance or create weak areas. The internal surface should remain suitable for the intended fluid, while the rubber must retain enough flexibility to allow the hose to be rolled, deployed, and recovered without unnecessary damage.

Jacket and Liner Integration

The textile jacket and EPDM liner must work as one hose assembly. Their dimensions, flexibility, and bonding or fitting relationship need to be coordinated so that the liner is properly supported by the jacket. If the components are not matched correctly, excessive movement, wrinkling, or stress concentration may affect service performance.

The double jacket provides a layered protective structure, but each layer must be positioned consistently during production. Uniform assembly helps maintain predictable handling characteristics and reduces variation between hose lengths.

Length and Product Configuration

The product is available in 50-foot and 100-foot lengths. Offering standardized lengths supports purchasing, inventory planning, hose layout, and replacement management. A 50-foot length may be convenient for compact storage, short connections, and applications requiring frequent repositioning. A 100-foot length can reduce the number of connections needed for longer runs.

Customers may also discuss required diameters, coupling styles, end configurations, color, labeling, packaging, and application-specific requirements with the manufacturer. Such details should be confirmed in the technical quotation because the supplied configuration may depend on the customer’s operating system.

Quality-Oriented Production Management

A quality-oriented hose manufacturing process should include checks for appearance, dimensions, jacket coverage, liner integrity, end finishing, and connection security. Performance testing may include pressure testing and inspection for leakage or visible defects according to the applicable product specification and customer requirements.

The company’s experience in producing various lined fire hoses provides a foundation for understanding the relationship between textile reinforcement, rubber lining, pressure performance, and field handling. Its work with customers in fire protection, construction, water conservancy, and other industries also supports application-based production planning.

Export and Custom Production Capability

The company cooperates with domestic foreign trade companies to produce export products for international markets. This experience can support communication regarding packaging, documentation, product configuration, and shipment preparation. The company also undertakes foreign trade products made from rubber, PVC, polyurethane, and double-sided tape according to customer requirements.

For purchasers, this broader production capability can be useful when a project requires more than one type of flexible product or when a supplier must coordinate different materials and specifications. Customers should provide clear technical information, including the intended medium, operating temperature, pressure, length, coupling requirements, quantity, and delivery expectations.

Performance Comparison Table

Feature	Double Jacket EPDM Rubber Liner Supply Hose	Typical Single-Jacket Hose	Rigid Pipe
Protective textile layers	Two woven polyester jackets	One woven jacket	Usually no textile jacket
Internal flow surface	Smooth EPDM rubber liner	Depends on construction	Rigid internal surface
Handling and transport	Flexible, rollable, comparatively lightweight	Generally flexible and lightweight	More difficult to carry and reposition
Abrasion protection	Enhanced by double jacket construction	Dependent on single jacket thickness and yarn	Depends on pipe material and external protection
Weather and ozone resistance	Supported by EPDM and polyester materials	Depends on liner and jacket materials	Depends on pipe material and coating
Typical use	Large-volume temporary or flexible water transfer	General water delivery and lighter-duty service	Permanent or semi-permanent installations
Available standard lengths	50 feet and 100 feet	Varies by supplier	Usually supplied in rigid sections

Installation and Handling Guidance

Inspect Before Use

Every hose should be inspected before deployment. Check the jacket for cuts, burns, severe abrasion, exposed yarn, chemical damage, and other visible defects. Examine the liner and end connections where accessible. A hose with serious damage, leakage, or compromised coupling security should be removed from service until it has been properly evaluated.

Prepare the Route

Before laying the hose, remove sharp stones, broken metal, glass, and other objects that could damage the outer jacket. When the hose must cross a roadway or active work area, use suitable protection or reroute it where possible. Avoid unnecessary sharp bends because they can restrict flow and increase stress at the hose and coupling.

Connect Carefully

Couplings should be clean, correctly matched, and fully secured. The connection must be compatible with the hose diameter and operating pressure. Gaskets and seals should be inspected for wear, and threads or locking mechanisms should be engaged properly. A loose or mismatched connection can create leakage, pressure loss, and a safety risk.

Pressurize Gradually

Open valves and start pumps gradually where system design allows. Sudden pressure changes can create water hammer, which may place excessive stress on the hose, couplings, valves, and connected equipment. Personnel should remain clear of connections during initial pressurization and inspect the system for leaks or abnormal movement.

Avoid Excessive Dragging

The double jacket improves abrasion resistance, but it should not be treated as permission to drag the hose over every surface. Lift or reposition the hose when possible. If dragging is unavoidable, remove sharp obstacles and use controlled movement. This will help preserve the jacket and reduce unnecessary wear.

Drain and Dry After Use

After operation, drain the hose thoroughly. Water trapped inside can increase weight, encourage mildew, and complicate storage. Lay the hose out or use an appropriate draining method, then allow it to dry before rolling when practical. If the hose has been exposed to chemicals, oils, mud, or contaminated water, clean it using a method compatible with EPDM and polyester materials.

Roll and Store Correctly

Store the hose in a cool, dry, ventilated location away from direct sunlight, ozone-generating equipment, sharp objects, excessive heat, and incompatible chemicals. Avoid placing heavy equipment on top of the stored hose. A controlled roll with no severe kinks helps preserve its shape and makes future deployment easier.

Inspection, Maintenance, and Service Life

Service life depends on operating pressure, frequency of use, handling method, exposure, storage, fluid compatibility, and maintenance. A well-designed hose can provide dependable service, but no flexible product should be considered maintenance-free.

Routine inspection should identify gradual jacket wear before it becomes severe. Look for fraying, flattened areas, abnormal stiffness, discoloration, exposed liner, cuts, burns, and chemical swelling. Any unusual change in flexibility or appearance should be investigated.

Pressure testing should follow the responsible organization’s procedures and the applicable hose specification. Testing intervals may vary by industry and service type. Fire protection users should follow their relevant inspection and maintenance requirements, while industrial and agricultural users should establish procedures based on risk and operating conditions.

Do not attempt to repair major structural damage with temporary tape or an unapproved patch. Such repairs may conceal deterioration without restoring the hose’s pressure capability. Damaged hose should be evaluated by a qualified professional or replaced when necessary.

Choosing the Correct Hose Configuration

Before ordering, purchasers should define the complete operating requirement. The first consideration is the required inside diameter and flow rate. A hose that is too small may create excessive friction loss, while an unnecessarily large hose may increase cost, storage volume, and handling effort.

The second consideration is operating pressure. Normal working pressure, pump pressure, surge pressure, and emergency conditions should all be evaluated. The selected hose and couplings must be rated for the complete system, not only for the average operating pressure.

Temperature is another important factor. The stated temperature range is -40°C to 100°C, but pressure and material behavior can change with temperature. Applications involving hot water or heated fluids should be discussed with the manufacturer before purchase.

Fluid compatibility should be confirmed for any medium other than ordinary water. Provide the chemical name, concentration, temperature, and expected exposure time. EPDM has broad resistance to many water-based and environmental conditions, but compatibility is application-specific.

Finally, specify the required length and end connections. The standard 50-foot and 100-foot options can simplify procurement, but custom requirements may be considered depending on the project. Proper coupling selection is essential for safe and efficient operation.

Why Select This Product for Demanding Supply Applications?

The central advantage of this hose is the way its components work together. The EPDM liner supports smooth water flow and resistance to heat, weather, ozone, ultraviolet exposure, mildew, and many chemicals. The two polyester jackets add mechanical protection and help the hose withstand the practical challenges of deployment. The lightweight flexible format improves handling and allows temporary water routes to be created quickly.

Compared with a basic supply hose, the double jacket offers enhanced protection. Compared with rigid pipe, it provides easier transportation and installation. Compared with an unlined textile hose, it provides a defined internal rubber flow surface. These differences make it a versatile option for users who need both mobility and durability.

The manufacturing background of Taizhou Shenlong Fire Science and Technology Co., Ltd. further supports the product. Since 1995, the company has combined research and development, production, sales, and service. Its experience with lined fire hoses and related rubber and polymer products allows it to address the material and construction details that determine hose performance.

For wholesalers, distributors, contractors, fire equipment suppliers, agricultural users, and industrial buyers, the product can serve as a dependable component in a larger water transfer system. Technical selection, correct coupling, responsible handling, and regular inspection remain essential to achieving the best results.

Frequently Asked Questions

What is the main purpose of this hose?

The main purpose is to move large volumes of water as a flexible supply line. It can support fire protection, construction, agriculture, water conservancy, municipal work, and compatible industrial fluid transfer.

Why does the hose use two jackets?

The two woven polyester jackets provide enhanced protection for the EPDM liner. They help improve resistance to abrasion and handling damage compared with a simpler single-jacket construction.

What is the liner made from?

The liner is made from EPDM rubber. EPDM is selected for its resistance to heat, ozone, ultraviolet exposure, weathering, mildew, aging, and many chemicals.

What weave options are available?

The jacket can be produced in circular woven twill weave or plain weave. The appropriate option depends on the required performance characteristics and customer specifications.

What temperature range is specified?

The stated temperature range is -40°C to 100°C. The complete application should also consider pressure, fluid compatibility, exposure time, and connected equipment.

Is the hose suitable for chemicals?

The EPDM lining is resistant to many chemicals, but suitability must be verified for the exact chemical, concentration, temperature, and exposure duration. It should not be assumed to be compatible with every chemical or petroleum-based fluid.

What standard lengths are available?

The hose is available in 50-foot and 100-foot lengths. Other configurations may be discussed according to project requirements and production feasibility.

Is the hose lightweight?

The high-tenacity polyester construction is intended to provide strength while keeping the hose comparatively lightweight and manageable. Actual weight depends on diameter, length, jacket construction, liner thickness, and fittings.

How should the hose be stored?

Drain and dry the hose after use, then store it in a cool, dry, ventilated location away from direct sunlight, ozone sources, excessive heat, sharp objects, and incompatible chemicals. Avoid placing heavy loads on the stored hose.

Can it replace rigid pipe?

The hose can replace or supplement rigid pipe in many temporary or flexible water transfer applications. Rigid pipe may remain preferable for permanent installations or situations requiring fixed structural support. Selection should be based on pressure, flow, routing, installation time, and service conditions.

Who manufactures the product?

The product is manufactured and supplied by Taizhou Shenlong Fire Science and Technology Co., Ltd., a fire hose enterprise founded in 1995. The company operates in research and development, production, sales, and service and supplies lined hose products for fire, construction, water conservancy, and other industries.

What information should be provided when requesting a quotation?

Buyers should provide the required diameter, length, working pressure, fluid, operating temperature, coupling type, quantity, packaging requirements, delivery destination, and intended application. Complete information helps the manufacturer recommend a suitable configuration.

Purchasing and Supplier Support

A professional purchasing process begins with a clear technical specification. Buyers should avoid comparing hoses only by price or outside appearance. The liner material, jacket layers, yarn strength, weave structure, pressure requirements, coupling quality, and inspection documentation all influence total value.

Taizhou Shenlong Fire Science and Technology Co., Ltd. can be contacted for product inquiries, configuration discussions, and supply arrangements. Its address is No. 58, Kechuang Road, Sixiang Street, Medicine Gaoxin District, Taizhou City, Jiangsu Province. The company can be reached by email at [email protected] or by telephone at +86 159-5116-9511.

Customers should request the applicable technical information for the selected hose size and configuration. Where the product is intended for firefighting or regulated industrial service, the buyer should also verify required standards, testing procedures, approvals, coupling specifications, and local compliance requirements before placing an order.

Conclusion

The Double Jacket EPDM Rubber Liner Supply Hose is designed for users who need a flexible, durable, and efficient solution for large-volume water transfer. Its high-tenacity polyester double jacket improves protection against abrasion and field handling, while the EPDM rubber liner provides a smooth flow path and resistance to heat, ozone, ultraviolet exposure, weather, mildew, aging, oil, and many chemicals.

The combination of low friction pressure loss and comparatively lightweight handling makes the hose practical for fire protection support, construction, agriculture, water conservancy, municipal operations, and compatible industrial applications. The 50-foot and 100-foot length options offer convenient choices for different deployment and storage requirements.

Its value is strengthened by the manufacturer’s long-term experience in lined fire hose production and its integrated research, development, production, sales, and service capabilities. Careful material selection, circular weaving, EPDM liner production, layered assembly, and quality-oriented inspection contribute to a product intended for demanding service.

Correct sizing, coupling, installation, cleaning, storage, and inspection are necessary to obtain reliable performance. When these practices are combined with suitable application selection, the Double Jacket EPDM Rubber Liner Supply Hose can provide a durable and efficient connection between water sources, pumps, distribution systems, and working areas.

References

1. General technical literature on EPDM rubber properties, weather resistance, ozone resistance, and temperature performance.

2. General engineering references on hose friction loss, water flow velocity, pressure drop, and pump system design.

3. Textile hose manufacturing references covering circular weaving, plain weave, twill weave, and high-tenacity polyester reinforcement.

4. Industrial hose inspection and maintenance guidance concerning abrasion, chemical exposure, pressure testing, storage, and service evaluation.

5. Product information supplied for the Double Jacket EPDM Rubber Liner Supply Hose.

6. Company information supplied for Taizhou Shenlong Fire Science and Technology Co., Ltd., including its research, production, sales, service, and export activities.

Product: Double Jacket EPDM Rubber Liner Supply Hose