 |
| Quantity: | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Product Description
PVC rain gutter is now one of the fastest-moving products in building construction. It is a component of a water discharge system for a building: it prevents water from dripping or flowing off roofs in an uncontrolled manner, stops it from damaging walls, protects people standing below or entering the building, and directs water to a suitable disposal point. Yet when a profile producer decides to start making gutters — or to replace an old line — the same five problems keep coming back.
Metal rain gutters look sharp on the first day but bend under ladders, dent in hail and corrode in coastal air. Builders who have replaced bent metal gutters twice are actively switching to vinyl.
Response: PVC gutters are strong, flexible, inexpensive, durable, adaptable and easy to install — and they never develop the permanent dents of metal gutters. This line is built to supply exactly that product, with the dimensional consistency that keeps sections clicking together on site.
Gutter buyers order half-round profiles for houses, large K-type profiles for commercial roofs, and everything in between. A line locked to a single die cannot follow the order book.
Response: the YF series covers five gutter size grades — YF120, YF180, YF240, YF300 and YF600 — from 120x50 mm up to 550x120 mm on matched extruders. The same profile extrusion platform that runs wall panels and corner beads also runs gutters, so die changes do not rebuild the machine.
Rain gutter is a PVC powder job — the formulation runs PVC resin, CaCO3 and chemical additives — and powder needs the gentle, thorough plasticizing of a twin screw, not a single screw fighting with dry blend.
Response: this is a genuine conical twin screw extrusion line built on SJSZ series extruders, with bimetallic screw and barrel for abrasive PVC formulations. For customers who need a different processing window, the main extruder can also be selected as an SJZ65/132 conical twin screw or an SJP75/28 parallel twin screw — the choice is made with your formulation and capacity in mind.
A rain gutter is only as good as its cross-section. If the vacuum calibration table, the haul-off and the cutter are not synchronized, every meter shows wavy walls or twisted flanges.
Response: the line runs a 240 mm wide, 6000 mm long calibration table with a full set of vacuum and water pumps, a belt haul-off whose upper and lower drives are separately controlled by inverter, and a lifting saw cutter that tracks the line speed. Calibration bushings are made of stannum bronze and the water tank is stainless steel 304, so the profile holds its geometry run after run.
An extrusion line that stops for a week costs more than the line itself. Gutter producers need a supplier who answers the phone and holds stock of common parts.
Response: Chenxing backs the line with a 12-month warranty and real after-sales service. The electrical cabinet uses world-famous brands — Siemens, Schneider, ABB and more — with Siemens/WEG original motors, so service and spares are available wherever your factory is. Talk to us from the contact page or read the service terms on our FAQ page.
The Double Screw PVC Rain Gutter Manufacturing Extruder Machine is a complete conical twin screw extrusion line for producing PVC rain gutters, vinyl gutters and half-round water gutter profiles. From powder feeding to inspected, packed bundles, every station is matched to one goal: a clean, dimensionally stable gutter that installs fast and keeps water off the wall for decades.
Raw material + PVC resin + additive → mixing → conical twin-screw extruder → profile extrusion mould → cool molding die → vacuum calibration support → belt haul-off → cutter → rack → finished product inspecting & packing
Anti-UV co-extrusion — some customers add a co-extruder to make an anti-UV surface layer, protecting the gutter from long-term sunlight degradation in hot climates.
Gutter protection film lamination — an optional PVC gutter protection film lamination device keeps the surface scratch-free through transport and installation.
For a closer look at how the same powder compounding discipline applies across the factory, see our automatic compounding system and compounding system solution pages. More machine references and configuration notes are available at view more machine details.
Every station is included in the standard delivery:
| Station | What It Does in This Line |
|---|---|
| Feeder | Feeds material into the extruder at a steady, repeatable rate. |
| Extruder | World-famous brand electrical components: Siemens, Schneider, ABB etc.; high-torque gearbox adopting NSK bearing; Siemens/WEG original motor for global after-service; bimetallic screw and barrel; intelligent PLC controlling system with human-friendly interface. |
| Die head | 3Cr13/3Cr17 material; complete set includes extrusion die head, calibrator and cooling tank; adapts to single, co-extrusion and foam imitation marble profile. |
| Calibration table | Includes full set of vacuum and water pump; width 240 mm, length 6000 mm; independent operation panel for easy operation. |
| Haul-off | Upper/lower driven separately and speed controlled by inverter; fast-change type pads for easy operation; installation plate adopts aluminum material. |
| Cutter | Lifting saw cutter with double station dust collection system; synchronous driving by air cylinder or servo motor control. |
| Stacker | Stainless steel 304 as material-touching surface; discharge driving by air cylinder. |
The material of the calibration bushing is stannum bronze and the material of the water tank is stainless steel 304 — the two contact points that decide final surface quality are both built to resist wear and corrosion in a wet environment. The haul-off's function is to pull stably and synchronally with the extruder speed, so the profile never stretches between the calibrator and the saw.
| Model | YF120 | YF180 | YF240 | YF300 | YF600 |
|---|---|---|---|---|---|
| Product Max Size | 120x50 mm | 180x50 mm | 240x100 mm | 300x120 mm | 550x120 mm |
| Extruder | SJSZ45/90 | SJSZ51/105 | SJSZ65/132 | SJSZ65/132 | SJSZ80/156 |
| Capacity | 120 kg/hr | 150 kg/hr | 300 kg/hr | 300 kg/hr | 400 kg/hr |
| Production Length | 18 m | 20 m | 24 m | 24 m | 28 m |
Cooling water temperature: below 15 °C
Air pressure: above 0.6 MPa
Main material: PVC powder, CaCO3 and chemical additives
Extruder type: conical twin screw extruder
The YF grades cover the practical spectrum of the gutter market: compact K-type gutters around 120x50 mm on the economical SJSZ45/90, mid-size sections on the SJSZ65/132, and industrial gutters up to 550x120 mm at 400 kg/hr on the SJSZ80/156 with a 28 m line. If your required gutter size sits between grades, tell us the drawing — the solutions team will match the die and the vacuum table to the profile rather than forcing the profile into a standard line.
PVC dry blend is plasticized gently and evenly in a conical twin screw extruder with bimetallic screw and barrel, giving good fusion without over-heating the heat-sensitive PVC formula.
Siemens, Schneider and ABB electrical components, a high-torque gearbox adopting NSK bearings and a Siemens/WEG original motor keep the line running on three shifts with worldwide service backup.
The 3Cr13/3Cr17 die head ships as a complete set including extrusion die head, calibrator and cooling tank, and adapts to single, co-extrusion and foam imitation marble profiles — one line, several decorative options.
A 240x6000 mm vacuum calibration table with full vacuum and water pump sets, inverter-controlled separate haul-off drives and a servo/cylinder synchronized lifting saw give square cuts and straight profiles at the rated line speed.
Stannum bronze calibration bushings, stainless steel 304 water tank and stacker surfaces, plus a lifting saw with double-station dust collection, keep maintenance low in the harshest part of the line.
Residential gutters — half-round and K-type profiles for houses, garages and outbuildings
Commercial roofing — large-size gutters up to 550x120 mm for warehouses, shopping centers and public buildings
Rainwater management systems — gutter sections that connect to downspouts and drainage outlets
Foam imitation marble decorative profiles — the same line family can switch tooling to decorative PVC profiles
Agricultural and industrial sheds — low-cost, corrosion-proof water discharge for structures where metal gutters fail quickly
Because gutters are a building product, buyers care about consistency between batches — the same cross-section, the same wall thickness, the same color — meter after meter. This line is engineered for that repeatability, and the same discipline is visible across our PVC shelf label strip extrusion line and PVC UV marble sheet making line, where surface quality is equally critical.
Zhangjiagang Chenxing Machinery Co., Ltd. has specialized in plastic extrusion machinery since the early 2000s. With 20+ years of extrusion experience, ISO9001 certified manufacturing, CE compliant equipment and exports to 30+ countries, Chenxing builds lines that run predictably on factory floors across Asia, Europe and the Americas.
Our profile machines are designed alongside the profile extrusion line solution architecture that covers gutters, wall panels, soffit panels, corner beads and other PVC building profiles. When you buy from Chenxing you work with the manufacturer that designs the screw, the die and the calibration tooling — not a trader assembling unrelated parts. See more about our factory on About Us and the full catalog on Products.
Both can serve as the main extruder for the PVC rain gutter line. The SJZ65/132 conical twin screw is the standard recommendation for PVC powder profiles and matches the YF240/YF300 grades at 300 kg/hr. The SJP75/28 parallel twin screw is a suitable alternative when your formulation or output targets call for a different screw geometry. Tell Chenxing your recipe, gutter size and daily output, and the engineering team will fix the extruder model in the layout before you order.
Yes. Some customers add a co-extruder to make an anti-UV surface layer, which protects the gutter from sunlight degradation in hot regions. A PVC gutter protection film lamination device is also available to keep the finished surface scratch-free during transport and installation.
The cooling water temperature should be below 15 °C and the air pressure should be above 0.6 MPa. The calibration table is delivered with a full set of vacuum and water pumps, and the cooling tank is stainless steel 304.
Chenxing provides a 12-month warranty for this machine. The electrical cabinet uses world-famous brand components such as Siemens, Schneider and ABB with Siemens/WEG original motors, so parts and service support remain available internationally after the warranty period as well.
The YF series covers five standard grades: YF120 (120x50 mm), YF180 (180x50 mm), YF240 (240x100 mm), YF300 (300x120 mm) and YF600 (550x120 mm), with capacity from 120 kg/hr to 400 kg/hr and line length from 18 m to 28 m. Non-standard sizes can be discussed with the engineering team.
The main material is PVC powder, CaCO3 and chemical additives — a standard rigid PVC dry-blend formulation processed on a conical twin screw extruder. PVC resin content and impact modifiers can be tuned to your market's climate and quality requirements.
Every project starts with the numbers that matter: gutter width and depth, target output in kg/hr or meters per day, and whether you need the anti-UV co-extruder or the protection film option. Send us your profile drawing and Chenxing will return a written configuration — extruder model, die material, vacuum table length and downstream speeds — before you commit.
Nicole — Email: ceo@cxsljx.com | Tel WeChat WhatsApp: +86 159 5118 7228
We reply to gutter inquiries within 24 hours and can arrange a live video demonstration of the line running your formulation.
