| DN (mm) | Outer Diameter (mm) | Wall Thickness (1.0 MPa S10) | Wall Thickness (1.6 MPa S6.3) |
|---|---|---|---|
| 15 | 20 | — | 2.0 |
| 20 | 25 | — | 2.0 |
| 25 | 32 | — | 2.4 |
| 32 | 40 | — | 3.0 |
| 40 | 50 | — | 3.7 |
| 50 | 65 | 3.0 | 4.7 |
| 65 | 80 | 3.6 | 5.6 |
| 80 | 90 | 4.3 | 6.7 |
| 100 | 110 | 5.3 | 8.1 |
| 125 | 140 | 6.7 | 10.3 |
| 150 | 160 | 7.7 | 11.8 |
| 200 | 225 | 10.8 | 16.6 |
| 250 | 280 | 13.4 | — |
| 300 | 315 | 15.0 | — |
| 350 | 355 | 16.9 | — |
| 400 | 400 | 19.1 | — |
| 450 | 450 | 21.4 | — |
| 500 | 500 | 23.8 | — |
| 600 | 630 | 24.2 | — |
Note: FRP/UPVC and FRP/CPVC; UPVC and CPVC are usually supplied in lengths of 4 meters per piece. According to ISO international standards for industrial pipes, it is recommended to use FRP/UPVC or FRP/CPVC composite pipes for DN450 and above.
| DN | 90° Elbow | Coupling | Tee | 45° Elbow | Flange | Van Stone Flange | End Cap | Blind Flange | Cross | Union | Male Coupling | Y Tee |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DN15 | ◎ | ◎ | ◎ | ◎ | ◎ | — | ◎ | ◎ | — | ◎ | — | — |
| DN20 | ◎ | ◎ | ◎ | ◎ | ◎ | — | ◎ | ◎ | — | ◎ | — | — |
| DN25 | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | — | ◎ | ◎ | — |
| DN32 | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | — | ◎ | ◎ | — |
| DN40 | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | — | ◎ | ◎ | — |
| DN50 | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ |
| DN65 | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | — | — |
| DN80 | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | — | — |
| DN100 | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | — | — |
| DN125 | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | — | — |
| DN150 | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | — | — | — | — |
| DN200 | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | — | — | — | — |
| DN250 | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | — | — | — | — |
| DN300 | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | — | — | — | — |
| DN350 | ◎ | ◎ | ◎ | ◎ | ◎ | — | ◎ | ◎ | — | — | — | — |
| DN400 | ◎ | ◎ | ○ | ○ | — | ◎ | ◎ | ◎ | — | — | — | — |
| DN450 | ◎ | ○ | ○ | ○ | — | ◎ | ◎ | ◎ | — | — | — | — |
| DN500 | ◎ | ○ | ○ | ○ | — | ◎ | ◎ | ◎ | — | — | — | — |
| DN600 | ○ | ○ | ○ | ○ | — | ○ | ○ | ○ | — | — | — | — |
| DN700 | ○ | ○ | ○ | ○ | — | ○ | ○ | ○ | — | — | — | — |
Glass fiber reinforced plastic composite pipe standards:
HG-3731 CPVC pipe fittings standard number: GB/T 18998.3-2003
UPVC pipe fittings standard number: GB/T 4219.2-2008
Flange connection standard: HG20592 PN10 flange
○ Secondary molding
◎ One-time molding
Step 1: Order and Design
Design based on customer requirements (dimensions, pressure rating, application scenarios, etc.) to determine the specifications, wall thickness, and relevant standards (such as ASTM or ISO) for the CPVC pipe, and complete the production drawings and process plan.
Step 2: Raw Material Preparation & Molding
High-quality CPVC resin and additives are selected and blended. After high-temperature plasticization, the material is extruded into continuous CPVC pipe, followed by sizing and cooling.
Step 3: Machining
Perform machining operations on the extruded CPVC pipe, including cutting, chamfering, flaring, or slotting, to meet subsequent installation or connection requirements.
Step 4: Assembly
Assemble fittings or pre-connect the CPVC pipe as needed (e.g., socket or flange connections), ensuring dimensional accuracy and sealing performance at the joints.
Step 5: Testing & Quality Assurance
The CPVC pipes undergo pressure testing, dimensional inspection, and visual inspection to ensure their corrosion resistance, temperature resistance, and mechanical properties meet standard requirements.
Step 6: Finishing, Packaging and Shipment
Finished products are cleaned, labeled, and packaged to prevent damage during transport, and shipments are arranged according to order specifications.
Widely used in the steel, metallurgy, petroleum, chemical, fertilizer, dye, pharmaceutical, power, environmental protection, and wastewater treatment industries, among others
These valves are widely used in:
Oil and Gas
Chemical Processing
Power Plants
Water Treatment
Metallurgy and Mining
Agriculture and Irrigation
Superior Quality
Our valves are produced from high-grade materials and subjected to strict quality inspections to guarantee dependable performance in challenging industrial environments.
Advanced Technology
With cutting-edge CNC machining systems and high-precision manufacturing equipment, we ensure valves are made with outstanding accuracy and uniformity.
Competitive Pricing
By streamlining production processes and sourcing materials in bulk, we provide premium-quality valves at competitive prices while maintaining excellent standards.
Expert Support
Our skilled technical team offers full support from product selection through after-sales service, helping ensure the best valve performance for your application.
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