Description
Buy Flanged Gate Valve J41F-J45F PN1.0/1.6MPa WCB/PTFE Lined Handwheel Type
The J41F/J45F Flanged Gate Valve by VALVEHU is an industrial-grade valve engineered for reliable shut-off control in corrosive media pipelines and chemical processing environments. Designed to meet standards such as GB/T 12233, GB/T 12235, and HG/T 20592, this valve ensures long-term performance and structural integrity under pressure ratings of PN1.0MPa and PN1.6MPa.
Constructed from a range of materials including HT250, WCB, CF8, and IC3N19 stainless steel, this gate valve is ideal for anti-corrosion and high-temperature applications. The body is lined with PTFE, F46, F3, or PFA, providing exceptional chemical resistance. Depending on configuration, the valve can be operated using a manual handwheel for ease of control and safety.
The J41F and J45F models offer flanged ends for easy integration into existing piping systems. These valves feature precise machining, tight shut-off capabilities, and reinforced sealing components. Standard connection dimensions comply with both metric (DN) and imperial (NPS) systems, and face-to-face lengths adhere to HG/T 3704, making them suitable for global project standards.
Thanks to their robust structure and highly corrosion-resistant linings, these gate valves are widely applied in petrochemical plants, water treatment stations, and process control systems involving strong acids, alkalis, and other aggressive media.
Whether you’re planning a new installation or replacing valves in an existing system, VALVEHU’s engineering team in China is ready to help you find the right solution tailored to your project requirements. Contact our specialists to explore the best valve configuration for your industrial needs.
Technical Specifications
- Valve Type: Globe Valves
- Model: J41F / J45F
- Pressure Rating: PN1.0MPa and PN1.6MPa
- Body Material: HT250, WCB, CF8, IC3N19
- Lining Material: PTFE, F46, F3, PFA
- Operation Method: Manual Handwheel Operated
- Connection Type: Flanged Ends
- Standard Compliance: GB/T 12233, HG/T 20592, GB/T 13927
- Design Features: Anti-corrosion, fire-safe, chemical resistant
- Applications: Chemical pipelines, acid/alkali systems, industrial shutdowns
Main Component Materials for Valve Construction
| No. | Component Name | Gray Cast Iron (Z) | Carbon Steel (C) | Stainless Steel (P) |
|---|---|---|---|---|
| 1 | Body / Bonnet | HT250 | WCB | CF8 |
| 2 | Stem | 35 | 1Cr13 | 1Cr8Ni19 |
| 3 | Seat Lining / Insert | FEP (F46) | PCTFE (F3) | PFA, PO |
| 4 | Packing | PTFE (F4) | PTFE (F4) | PTFE (F4) |
| 5 | Gland Flange | WCB | WCB | CF8 |
| 6 | Handwheel | HT200 | HT200 | WCC |
Applicable Standards for Valve Design and Testing
| Standard Category | Standard Code |
|---|---|
| Design and Manufacturing | GB/T 12233, GB/T 12235 |
| Face-to-Face Dimensions | GB/T 1221, HG/T 3704 |
| Flange Dimensions | HG/T 20592 (or as per contract) |
| Pressure Testing | GB/T 13927 |
| Marking | GB/T 12220 |
| Supply Standard | GB/T 12252 |
Main External Connection Dimensions for Flanged Valve (PN1.0 / PN1.6 MPa) (Unit: mm)
| DN (mm) | NPS (inch) | L | D | D1 | D2 | f | b | Z-Φd | Do | H1 | H2 | Weight (kg) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 15 | 1/2 | 130 | 95 | 65 | 45 | 2 | 14 | 4-Φ14 | 100 | 235 | 260 | 6.5 |
| 20 | 3/4 | 150 | 105 | 75 | 55 | 2 | 16 | 4-Φ14 | 100 | 240 | 265 | 7 |
| 25 | 1 | 160 | 115 | 85 | 65 | 2 | 16 | 4-Φ14 | 120 | 245 | 270 | 7.8 |
| 32 | 1 1/4 | 180 | 135 | 100 | 78 | 2 | 18 | 4-Φ18 | 140 | 255 | 285 | 11 |
| 40 | 1 1/2 | 200 | 145 | 110 | 85 | 3 | 18 | 4-Φ18 | 140 | 285 | 315 | 13 |
| 50 | 2 | 220 | 160 | 125 | 100 | 3 | 20 | 4-Φ18 | 160 | 295 | 330 | 15 |
| 65 | 2 1/2 | 230 | 180 | 145 | 120 | 3 | 20 | 4-Φ18 | 180 | 350 | 395 | 23 |
| 80 | 3 | 310 | 195 | 160 | 135 | 3 | 22 | 4/8-Φ18 | 240 | 395 | 445 | 38 |
| 100 | 4 | 350 | 215 | 180 | 155 | 3 | 22 | 8-Φ18 | 240 | 450 | 490 | 42 |
| 125 | 5 | 400 | 245 | 210 | 185 | 3 | 24 | 8-Φ18 | 280 | 525 | 555 | 55 |
| 150 | 6 | 480 | 280 | 240 | 210 | 3 | 28 | 8-Φ23 | 320 | 605 | 645 | 77 |
| 200 | 8 | 600 | 335 | 295 | 265 | 3 | 26 | 8-Φ23 | 360 | 645 | 765 | 135 |
| 250 | 10 | 622 | 405 | 355 | 320 | 3 | 28 | 12-Φ23 | 400 | 685 | 805 | 220 |
| 300 | 12 | 698 | 460 | 410 | 368 | 4 | 28 | 12-Φ23 | 400 | 710 | 814 | 277 |
| 350 | 14 | 787 | 500 | 460 | 428 | 4 | 30 | 16-Φ23 | 450 | 750 | 855 | 320 |
| 15 | 1/2 | 130 | 95 | 65 | 45 | 2 | 14 | 4-Φ14 | 100 | 240 | 265 | 7 |
| 20 | 3/4 | 150 | 105 | 75 | 55 | 2 | 16 | 4-Φ14 | 100 | 245 | 270 | 7.6 |
| 25 | 1 | 160 | 115 | 85 | 65 | 2 | 16 | 4-Φ14 | 120 | 250 | 275 | 8.2 |
| 32 | 1 1/4 | 180 | 135 | 100 | 78 | 2 | 18 | 4-Φ18 | 140 | 260 | 290 | 12 |
| 40 | 1 1/2 | 200 | 145 | 110 | 85 | 3 | 18 | 4-Φ18 | 140 | 285 | 320 | 14 |
| 50 | 2 | 230 | 160 | 125 | 100 | 3 | 20 | 4-Φ18 | 160 | 300 | 335 | 18 |
| 65 | 2 1/2 | 290 | 180 | 145 | 120 | 3 | 20 | 4-Φ18 | 180 | 355 | 400 | 26 |
| 80 | 3 | 310 | 195 | 160 | 135 | 3 | 22 | 8-Φ18 | 240 | 400 | 450 | 40 |
| 100 | 4 | 350 | 215 | 180 | 155 | 3 | 24 | 8-Φ18 | 240 | 455 | 495 | 50 |
| 125 | 5 | 400 | 245 | 210 | 185 | 3 | 26 | 8-Φ23 | 280 | 530 | 560 | 65 |
| 150 | 6 | 480 | 280 | 240 | 210 | 3 | 28 | 8-Φ23 | 320 | 610 | 650 | 85 |
| 200 | 8 | 600 | 335 | 295 | 265 | 3 | 30 | 12-Φ23 | 360 | 650 | 770 | 150 |
| 250 | 10 | 622 | 405 | 355 | 320 | 3 | 32 | 12-Φ25 | 400 | 690 | 810 | 245 |
| 300 | 12 | 698 | 460 | 410 | 375 | 4 | 34 | 12-Φ25 | 400 | 730 | 845 | 295 |
FAQ
What materials are used in the J41F/J45F gate valve body?
It is available in HT250, WCB, CF8, and high-grade stainless steel like IC3N19.
Is this valve suitable for corrosive chemicals?
Yes, it has PTFE, F46, F3, or PFA linings for excellent chemical resistance.
What pressure classes are supported?
This valve supports both PN1.0MPa and PN1.6MPa working pressure.
Can this valve be used in high-temperature environments?
Yes, with proper body and lining materials, it handles aggressive media at elevated temperatures.
Which standards does the valve conform to?
The design and connection dimensions follow GB/T 12233, GB/T 12235, HG/T 20592, and other relevant codes.
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