GB ANSI CF3 Single Door Flap Wafer Check Valve Non Slam Super Duplex DN40-600 PN10-40
The H74 wafer-type check valve is an ultra-thin non-slam check valve designed to prevent medium backflow in industrial piping systems. Constructed from Super Duplex material, this automatic valve operates based on medium pressure for reliable performance in space-constrained installations.
| SIZE | B (mm) | A (mm) | L (mm) |
|---|---|---|---|
| 1 1/2" | 23 | 87 | 19 |
| 2" | 30 | 104 | 19 |
| 2 1/2" | 41 | 124 | 19 |
| 3" | 54 | 136 | 19 |
| 4" | 71 | 174 | 19 |
| 5" | 92 | 197 | 19 |
| 6" | 112 | 222 | 19 |
| 8" | 155 | 279 | 28 |
| 10" | 201 | 339 | 28 |
| 12" | 240 | 409 | 38 |
| 14" | 270 | 450 | 44 |
| 16" | 311 | 514 | 48 |
| 18" | 360 | 549 | 58 |
| 20" | 410 | 606 | 64 |
| 24" | 490 | 717 | 68 |
- Quick valve flap closure with minimal water hammer pressure
- Suitable for horizontal or vertical pipe installation
- Smooth flow path with low fluid resistance
- Sensitive action and excellent sealing performance
- Short valve flap stroke with minimal impact force
- Long service life and high reliability
Ideal for water supply systems, petroleum, chemical, and metallurgical industrial sectors where installation space is limited. The wafer design provides space-saving benefits while maintaining full functionality.
Custom wood case packaging ensures valve protection during transit. We offer sea, air, and train transportation options with delivery times ranging from 7 to 60 days based on order requirements.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.