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Product Description
Flexible vacuum cleaner hoses and swimming pool vacuum hoses look like simple products, but they are produced under surprisingly strict performance demands. A hose that kinks, cracks, sinks or sheds particles is returned by the customer, and every return costs far more than the hose itself. Yet many producers still battle the same four problems on every run:
A pool vacuum hose that folds and blocks water flow makes the cleaner stall, and a vacuum cleaner hose that twists at the cuff frustrates the end user every single day. Weak wall geometry and poorly matched cooling turn a perfectly extruded tube into a product that fails in the first season.
Response: Chenxing designs the corrugated outer wall and smooth inner bore together, then cools them in a matched water bath so the finished hose keeps its roundness, flexibility and kink resistance from the die to the carton.
Invisible to the eye at the factory gate, a slightly rough inner surface collects algae in pool water and dust in vacuum cleaners. Buyers only notice when the hose becomes hard to clean or starts to smell.
Response: smooth-interior, corrugated-exterior construction means the hose glides over pool floors and appliance openings without pockets where dirt can build up.
Pool chemicals, sunlight, heat, cold and repeated bending all attack flexible hoses at once. Cheap lines produce hoses that crack at -20 degrees, soften in the summer sun or tear at the first pull over a sharp step.
Response: EVA and LDPE formulations with flame-retardant additives hold a working temperature range of -20 to +65 degrees Celsius, with crush-proof structure, high tensile strength and extreme tear resistance.
One customer wants EVA, the next asks for LDPE, and the third wants a PVC or PE version with a different diameter and a different color. Producers locked into a single-material line either refuse good orders or keep idle machines for rare requests.
Response: the FST series single screw extruder runs EVA, LDPE and, with recipe changes, PVC, PE and PP, while the forming section covers diameters from 13 mm up to 110 mm across two standard models.
The Chenxing EVA LDPE Flexible Vacuum Cleaner Hose Pipe Extrusion Making Machine Line, supplied by Zhangjiagang Chenxing Machinery Co., Ltd. (Chenxing Machinery), is a complete production solution for flexible hoses with a smooth inner wall and a corrugated outer wall. Typical finished products include swimming pool vacuum hoses, pool cleaner suction hoses, household vacuum cleaner hoses and industrial flexible hoses, produced continuously from raw pellets to coiled, cut and packed hose on one footprint.
The line is built around the proven single screw extruder platform that Chenxing has refined over 20+ years across hundreds of polyolefin applications. From the main extruder, melt flows through a forming and corrugating section that shapes the smooth-bore inner layer and the reinforcing corrugated outer profile, then passes through a water cooling bath, a haul-off unit and a cutting or coiling station. Every station is matched by our engineers to your target hose diameter and output, so you do not need to synchronize machines from different suppliers yourself.
Because the line shares its drive, screw and control philosophy with the rest of our pipe extrusion line family, operators who already know Chenxing extruders can commission this hose line with almost no learning curve. The same small-diameter know-how extends into our PVC fiber reinforced soft pipe extrusion line, which is the better match when your product needs a braided reinforcement layer for higher burst pressure.
The line is available in two standard configurations. FST55 is the economical choice for household and light-commercial hose diameters, while FST65 covers the larger pool and industrial sizes. Both models use a single screw extruder with a hardened, nitrided screw and barrel, accurate temperature control and a touch-screen control system.
| Parameter | FST55 | FST65 |
|---|---|---|
| Diameter Range (mm) | 13–50 | 65–110 |
| Output (kg/h) | 30–50 | 50–100 |
| Installed Power (kW) | 22 | 50 |
Material range: EVA and LDPE are the standard formulations for flexible vacuum and pool hoses; PVC, PE and PP can also be processed with the corresponding screw and temperature profile, which our engineers confirm in the technical layout before shipment.
Choose the FST55 when your catalog is dominated by household vacuum cleaner hoses, small pool accessories and diameters from 13 to 50 mm, where 30–50 kg/h output keeps capital cost low. Choose the FST65 when you supply pool cleaning contractors, industrial vacuum systems or large-diameter swimming pool hoses from 65 to 110 mm, where the 50 kW drive and 50–100 kg/h output justify the larger investment. Many customers start with one FST55, prove the market, and add an FST65 later because the control system and downstream stations are shared across both models.
FST Single Screw Extruder — the melt unit is sized to the hose diameter and output, with a hardened screw, accurate heating zones and stable pressure output. It is the same extruder architecture used across the whole plastic pipe extrusion machines range.
Forming and Corrugating Section — creates the smooth inner wall and the corrugated outer wall in one continuous process, giving the hose its combination of low flow resistance and crush resistance.
Water Cooling Bath — multi-zone cooling that locks in roundness and prevents the sagging and ovality that appear when cooling is uncontrolled.
Haul-Off and Cutting / Coiling Unit — synchronized take-off speed holds the corrugation pitch and diameter tolerance along the whole length of the hose.
Control Cabinet with Temperature Controller — each heating zone is set and monitored from one panel, and material recipes for EVA, LDPE, PVC, PE and PP can be stored and recalled for fast changeover.
Smooth Interior, Corrugated Exterior — the hose moves water and air with low friction, while the outer corrugations carry the mechanical strength. This is the same dual-wall thinking found in our single wall corrugated pipe extrusion line and double wall corrugated pipe extrusion line, scaled for flexible hose applications.
Built for Pool Vacuum Heads and Automatic Cleaners — the finished hose connects directly to pool vacuum heads and automatic pool cleaners, and it is equally at home in household vacuum cleaners and industrial extraction systems.
Flame Retardant with a Working Range of -20 to +65 Degrees — flame-resistant EVA and LDPE compounds keep the hose safe around motors and heaters, and the wide temperature window covers cold outdoor storage and hot summer pool decks.
Highly Flexible and Crack Resistant — the material formulation and corrugation geometry work together so the hose bends around pool edges and furniture without cracking, even after months of use.
Floatable and Easy to Observe — the hose floats on the water surface, which makes pool cleaning easier to monitor and the hose easy to retrieve at the end of the day.
Durable, Crush-Proof and Tear-Resistant — high tensile strength and an extremely tear-resistant structure let the hose withstand repeated pulls, vacuum pressure and exposure to pool water chemistry without collapsing.
Gas and Liquid Tight — the continuous smooth inner layer keeps the hose sealed under both vacuum and pressure, so suction power is not lost through the wall.
Customized Colors, Lengths, Sizes and Gram Weights — tell our engineers your target hose color, coil length, diameter and gram weight, and the line is set up to match, with samples confirmed before mass production.
Cuffs That Do Not Kink — swivel cuffs rotate to eliminate kinks at the connection point, while fixed cuffs are available as a simpler, lower-cost option. Both cuff options can be fitted to the hose ends during production.
One Platform, Full Production Support — the complete line is supplied, installed and commissioned as a single system by one ISO 9001 certified factory, not a patchwork of separate suppliers.
If you also produce rigid drainage or supply pipe, the same extrusion technology extends naturally into our plastic drainage pipe machine, pipe extrusion line solution, HDPE pipe extrusion line solution and PPR pipe extrusion line solution, so one supplier can cover your whole pipe factory plan.
Swimming Pool Vacuum Hoses — flexible, floatable suction hoses that connect pool vacuum heads to skimmers and pumps, for residential and commercial pools.
Automatic Pool Cleaner Hoses — lightweight hoses that follow automatic cleaners across pool floors and walls without tangling.
Household Vacuum Cleaner Hoses — smooth-bore hoses that keep dust flowing and stay flexible at the cuff and wand connections.
Industrial Vacuum and Extraction Hoses — larger-diameter hoses for workshop dust extraction, material handling and liquid suction.
Garden and Pool Accessory Hoses — custom-color hoses for pumps, filters, skimmers and water toys.
Marine and Outdoor Hoses — UV-tolerant, flame-retardant hoses for boats, caravans and outdoor cleaning equipment.
For related flexible and special profiles, see our other type pipe extrusion line solution and PVC pipe extrusion line solution pages, and for larger rigid lines compare the ABS pipe production line and HDPE pipe production line 16-1600mm.
The FST55 covers hose diameters from 13 to 50 mm with an output of 30–50 kg/h and 22 kW installed power, which suits household vacuum hoses and small pool accessories. The FST65 covers diameters from 65 to 110 mm with an output of 50–100 kg/h and 50 kW installed power, which suits large swimming pool and industrial hoses. The screw, die and downstream stations differ only in size, so operators moving between the two models find the same control logic. This answer is provided by Chenxing Machinery's sales-engineering team based on the standard machine data sheet.
Yes. The extruder screw, barrel and temperature control are configured for EVA and LDPE as standard, and the same machine can process PVC, PE and PP after our engineers confirm the screw geometry and temperature profile for your material. Recipes are stored in the control system, so a line running LDPE hose today can be switched to EVA tomorrow with a purge and a recipe recall. This answer is provided by Chenxing Machinery's process engineers based on field experience with flexible hose production.
The smooth inner bore keeps water and air flowing with low resistance, which means stronger suction at the vacuum head and less energy lost along the hose. The corrugated outer wall gives the hose crush resistance, flexibility and kink resistance without adding a heavy solid wall. The combination is why this structure is standard for pool vacuum and vacuum cleaner hoses around the world. This answer is provided by Chenxing Machinery's R&D team.
Choose swivel cuffs when the hose is regularly connected and disconnected at the pool, because the rotating cuff absorbs twisting and eliminates kinks at the connection point. Choose fixed cuffs when you want the simplest, most economical connection for products that stay attached, such as built-in vacuum cleaner hoses. Both options can be fitted during production, and we will confirm the cuff type with you before building the die set. This answer is provided by Chenxing Machinery's sales-engineering team.
Chenxing Machinery supplies each EVA LDPE flexible hose line with a one-year warranty covering the extruder, forming section, cooling tank, haul-off and cutting or coiling unit. The minimum order is one complete line, because each line is assembled to order with the die matched to your hose diameter, color and gram weight. The standard scope includes the machinery test report, PLC and temperature programs, operation and maintenance documentation, and PE film wrapping for export. Overseas installation guidance, operator training, spare parts and remote troubleshooting are provided through our export department. This answer is provided by Chenxing Machinery's order-management team.
Every Chenxing hose line starts from a conversation about your product: hose diameter, wall structure, material (EVA, LDPE, PVC, PE or PP), color, coil length and daily output in kilograms. Send these details to Nicole and our engineers will reply within 24 hours with a recommended configuration, a factory-direct quotation and a sample plan.
Nicole — Export Manager, Zhangjiagang Chenxing Machinery Co., Ltd.
Email: ceo@cxsljx.com
Tel WeChat WhatsApp: +86 159 5118 7228
We respond to every inquiry within 24 hours with a configuration proposal and rough quotation. Include your target hose diameter, material and daily output to get the fastest answer. Custom colors, cuff options, spare screw sets and turnkey factory layouts are all available — and for the full extrusion product range, visit our product catalog or explore our complete extrusion solutions page. As an ISO 9001 certified manufacturer with 20+ years of experience and CE-compliant machinery exported to 30+ countries, Chenxing Machinery supports your project from the first drawing to the first production shift. Contact Chenxing engineers any time.
