Qingdao Huashida Machinery Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 100set a year |
| Delivery Time | 90 days |
| Packaging Details | Standard packaging |
| Transport Package | Standard Package |
| Specification | 110-2200mm |
| Screw No. | Single-screw |
| Brand Name | Huashida |
| Certification | CE, Rohs，TUV |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 100set a year |
| Delivery Time | 90 days | Packaging Details | Standard packaging |
| Transport Package | Standard Package | Specification | 110-2200mm |
| Screw No. | Single-screw | Brand Name | Huashida |
| Certification | CE, Rohs，TUV | Place of Origin | China |
Our vacuum calibration PU insulated pipe production line manufactures high-performance pre-insulated pipes for district heating, oil/gas, and industrial applications. The pipes feature:
3-Layer Structure:
Inner Layer: Steel pipe (60-2000mm) for fluid/steam transport.
Middle Layer: Polyurethane (PU) foam insulation (low thermal conductivity: ≤0.033 W/m·K).
Outer Layer: HDPE/PE protective casing (corrosion-resistant, UV-stable).
| Model | Pipe Diameter | Output | Power | Key Equipment |
|---|---|---|---|---|
| PE-420/960 | Φ420-960mm | 550-700 kg/h | 380 kW | SJ-90/33 extruder |
| PE-850/1372 | Φ850-1372mm | 700-900 kg/h | 440 kW | SJ-120/33 extruder |
| PE-960/1680 | Φ960-1680mm | 800-1200 kg/h | 580 kW | SJ-150/33 extruder |
Materials: ISO/POLY (PU foam), HDPE, carbon steel/galvanized steel pipes.
German-engineered extruder with barrier screw (10% energy saving).
Vacuum calibration system ensures perfect roundness and smooth surfaces.
PLC control (Siemens) for precision automation.
24-hour output: 90 pipes (Φ500mm x 11.6m each).
Scrap rate <0.5% (minimal material waste).
One-operator operation reduces labor costs.
Support OEM/ODM (pipe diameter, thickness, automation level).
Lifetime technical support + 12-month warranty.
HDPE Jacket Extrusion:
Vacuum feeding → Drying → Extrusion → Vacuum calibration → Cooling → Cutting.
PU Foam Injection:
Steel pipe assembly → PU foaming → Curing → Outer HDPE casing.
District heating/cooling systems
Oil & gas pipelines
Geothermal/industrial insulation pipes
ISO 9001, CE, and SGS certified.
Compliant with EN 253/EN 448 standards for pre-insulated pipes.
Free quotation & project design
Video demo available
Installation & training support
Qingdao Huashida Machinery Co., LTD, is a manufacturer of series of plastic pipe machines, municipal pipe machines, pipe insulation&anticorrosion machines, and pipe jointing&anticorrosion materials, with 21 years of production experience.
Our main products are:
1. HDPE jacket pipe for pre-insulated pipe Production Line (110-2000mm)
2. Rigid pre-insulated pipe Production Line
3. Flexible pre-insulated pipe(PERT) production line
4. Steel pipe FBE/2LPE/3LPE anti-corrosion coating line
5. Steel pipe derusting line
6. PE pressure pipe/Water Gas supply pipe production line
6. PP/PE plastic board/sheet/geomembrane production line
7. NBR PVC Thermal insulation tube/plate production line
8.Pipeline anti-corrosion materials and instruments: heat shrink joint coating sleeve, electro-fusion weldable joint sleeve, portable welding gun(extruder), PE PP welding rod.
We have been working with more than 400 overseas customers and exporting our products to Kazakhstan, Uzbekistan, Iran, Turkey, Russia, Nigeria and other countries.
Factory overview
Our team
Delivery
Exhibition
Company Details
Business Type:
Manufacturer
Year Established:
2003
Total Annual:
3000000-5000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
1. company profileQingdao Huashida Machinery Co., Ltd. is located in Qingdao High & New Technology Industrial Area- Qingdao Huashida industrial Park, covers an area of about 4000 square meters. We have tens of years experience in plastic pipe, sheet, and board extrusion lines, and pipe joints a... 1. company profileQingdao Huashida Machinery Co., Ltd. is located in Qingdao High & New Technology Industrial Area- Qingdao Huashida industrial Park, covers an area of about 4000 square meters. We have tens of years experience in plastic pipe, sheet, and board extrusion lines, and pipe joints a...
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