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Product Description
PVC steel wire reinforced hose is a composite product: a PVC wall with a spiral steel wire inside. The wire must be encapsulated without bare spots, the pitch must stay even, and the wall must stay concentric around the wire, otherwise the hose fails under pressure. Most production losses trace back to the machine, not the operator.
A conventional single screw extruder surges and starves when it is pushed, so output becomes unstable and the wall thickness wanders.
Response: the line adopts a high-efficiency single screw extruder designed to keep high speed and stable output, so the machine holds its capacity across the shift rather than only at a slow setting.
Hand-fed hoppers mean an operator tied to the machine, and inconsistency in feeding shows in the wall.
Response: the line is built with conveying feeding to save labour in the production process, so material reaches the extruder at a steady rate without a dedicated feeding hand.
Wire that is not fully wetted by melt, or positioned off-centre, leaves a thin spot that bursts under pressure.
Response: the steel wire forming machine and the extruding mould are matched so the wire is formed and encapsulated inside the PVC layer in one continuous operation. The final product has two layers: one is the PVC layer, inside is the steel wire.
A hose that cools too hard or too unevenly collapses out of round, and the spiral pitch drifts.
Response: the tube passes through a spray cooling water tank after the mould, cooling the composite uniformly before it is pulled.
Too much tension flattens the hose; uneven take-off makes the coil look rejected.
Response: a belt haul-off matched to the hose diameter pulls without flattening, and a winder delivers a clean finished coil.
The PVC Steel Wire Reinforced Hose Extrusion Line produces PVC hose with a spiral steel wire inside — a reinforced hose used where ordinary PVC hose cannot take the demand. The line is built around a high-efficiency single screw extruder with a complete auxiliary train, covering material handling, wire forming, extrusion, cooling, haul-off and winding in one continuous flow.
Because the reinforcement is a spiral steel wire rather than a textile braid, the finished hose withstands far more internal pressure and resists collapse under suction:
Suitable for the conveying of high pressure or explosive gas and liquid
Heavy suction and delivery of liquid sludge
Mainly used for chemical industry, building and vacuum pumps
The whole line is designed with automatic design, so it is easy to operate and stable to maintain long working conditions. The extruder family for this and related hose programs is on the Chenxing extruder page, and the neighbouring PVC soft hose line is described under the PVC fiber reinforced soft pipe extrusion line.
Raw material + additive → mixing → granulating → conveying feeding → single screw extruder → steel wire forming machine → extruding mould → spray cooling water tank → belt haul-off → winder → finished product inspecting & packing
Each stage is a module, so the line can be configured to the hose size and to the plant's existing material preparation setup. If your plant already granulates in-house, the mixing and granulating steps can be handled by the upstream equipment listed under plastic pelletizing line and automatic compounding system.
| Model | Screw diameter (mm) | Hose range (mm) | Capacity (kg/h) | Main motor power (kW) | Total power (kW) | Line length (m) |
|---|---|---|---|---|---|---|
| PVC-45 | 45 | 12-20 | 20-40 | 11 | 30 | 15 |
| PVC-65 | 65 | 20-50 | 40-80 | 22 | 40 | 16 |
| PVC-90 | 90 | 50-75 | 100-130 | 45 | 50 | 18 |
| PVC-120 | 120 | 100-150 | 120-150 | 75 | 75 | 22 |
Model selection follows the hose outside diameter you sell: the smallest model covers the light suction hose range, and the largest covers the heavy suction and delivery hose used in sludge handling and vacuum pump service. Line length is quoted for the standard configuration — layout can be adjusted for the available floor space.
The extrusion stage uses a high-efficiency single screw extruder that keeps high speed and stable output, so capacity stays within the quoted range instead of drifting with screw wear or feeding surges. Screw diameters of 45, 65, 90 and 120 mm cover the four production models.
The steel wire forming machine shapes the spiral reinforcement, which is then fed into the extruding mould so the PVC melt encapsulates the wire as the hose wall forms. The finished hose has a PVC layer outside with the steel wire inside, giving the pressure and suction performance described above.
Directly after the mould, the spray cooling water tank sets the composite wall. Spray cooling avoids the water shock that deforms a hot wire-reinforced wall, and it keeps the hose round while the spiral pitch stays locked in place.
A belt haul-off pulls the cooled hose at a rate matched to the extrusion output. Belt contact spreads the load over the circumference instead of pinching the wall, which is important for the larger diameters in the 100-150 mm range.
The winder coils the finished hose for inspection and packing. Winding tension is set so the coil does not flatten the hose wall or strain the wire spiral.
If you want to print letters on the surface of the pipe, you can choose an ink printing machine or a spray code machine. Different models offer customers a flexible choice, so the marking stage can be configured at the time of order rather than added later. This matters for hose that must carry size, pressure rating or batch identification for distributors and OEM customers.
Chemical industry — transfer of chemical liquids and gases through reinforced PVC hose
Building — site water delivery, drainage and general purpose suction hose
Vacuum pumps — suction service where ordinary hose would collapse
The same hose-making principle, with a braided or textile reinforcement instead of steel wire, is used for garden hose; Chenxing's related pipe and hose programs include the pipe extrusion line, the pipe extrusion line solution, the PVC pipe extrusion line solution, the plastic drainage pipe machine, the single wall corrugated pipe extrusion line, the double wall corrugated pipe extrusion line, the corrugated pipe extrusion line solution, the HDPE pipe extrusion line solution, the HDPE pipe production line for 16-1600 mm, the PPR pipe extrusion line solution, the ABS pipe production line, the 3-layer high speed PE/PPR/HDPE pipe extrusion line and the other type pipe extrusion line solution.
Zhangjiagang Chenxing Machinery Co., Ltd. is a plastic machinery manufacturer with more than 20 years of experience in extrusion equipment, supplying pipe, profile, sheet, pelletizing and recycling lines together with auxiliary machinery such as crushers, mixers and suction machines. Machines have been delivered to markets including Egypt, Thailand, Malaysia, India, Russia, Turkey, Zambia, Algeria and Indonesia.
For a wire-reinforced hose project, Chenxing matches the extruder model to the hose diameter range, sizes the steel wire forming machine and mould to the reinforcement, and configures cooling, haul-off and winding to the coil weight you need. Material preparation equipment and in-house reclaim of production scrap can be included from the auxiliary machines, two-stage recycling machine, plastic agglomerator and plastic recycling line solution ranges. Background on the company is on About Us; the full catalogue is under solutions.
Model selection follows the hose range: PVC-45 covers 12-20 mm, PVC-65 covers 20-50 mm, PVC-90 covers 50-75 mm and PVC-120 covers 100-150 mm. Send us your full hose list with wall thickness and target output, and we will confirm the model, mould and downstream equipment.
The four models are separate configurations rather than one universal machine, because the screw diameter, haul-off and winding equipment differ with hose size. Tell us the largest and smallest hose you produce and we will recommend the model that covers the range with the least compromise.
Yes. If you want to print letters on the surface of the pipe, you can choose an ink printing machine or a spray code machine — different models offer customers a flexible choice.
The final product has two layers: one is the PVC layer, and inside is the steel wire. That structure is what makes the hose suitable for the conveying of high pressure or explosive gas and liquid, and for heavy suction and delivery of liquid sludge.
The processing flow is raw material + additive, mixing, granulating, conveying feeding, single screw extruder, steel wire forming machine, extruding mould, spray cooling water tank, belt haul-off, winder, then finished product inspecting and packing. If you already compound in-house, the mixing and granulating steps can be fed by your existing equipment.
Yes. Our engineers guide machine installation and train your operators on extruder settings, wire forming and mould alignment, cooling adjustment and routine maintenance.
We have an experienced R&D team that confirms the feasibility of the line before production. Quality inspectors check incoming raw materials, patrol the production process and re-inspect the machine before delivery. More answers are on our FAQ list.
Tell Chenxing your hose range, wall thickness, wire diameter and target output, plus your available floor space, and the engineering team will confirm the extruder model, steel wire forming machine, mould, cooling tank, belt haul-off, winder and optional printing equipment in a written quotation.
Nicole — Email: ceo@cxsljx.com | Tel WeChat WhatsApp: +86 159 5118 7228
Send your hose specification and destination port, and we will reply within 24 hours. For machine news and technical documents, see Company News and Downloads. If you are still benchmarking the extruder configuration against other suppliers, view more machine details and send Nicole the differences for a matched quotation.
