DN80 CF8M Dual Plate Check Valve PN16 Pressure Rating with 73mm Length and 142mm Diameter
CF8M Dual Plate Wafer Type Check Valve with pressure rating PN16, designed for reliable backflow prevention in industrial piping systems.
Design: API 594, API 6D, JB/T8937
Face to Face: API 594, API 6D, DIN 3202, JB/T8937
Pressure & Temperature Rating: ASME B16.34
Test & Inspection: ANSI B16.50, DIN 2401, GB/T9124, JB/T74
This dual plate wafer check valve features two spring-loaded plates hinged on a central pin. The spring-loaded design enables rapid closure to protect pipelines from water hammer damage while ensuring reliable backflow prevention.
| DN | L (mm) | D (mm) | D2 (mm) | D3 (mm) |
|---|---|---|---|---|
| 50 | 60 | 108 | 51 | 56 |
| 65 | 67 | 128 | 65 | 73 |
| 80 | 73 | 142 | 80 | 88 |
| 100 | 73 | 162 | 102 | 108 |
| 125 | 86 | 192 | 127 | 132 |
| 150 | 98 | 218 | 152 | 160 |
| 200 | 127 | 273 | 203 | 210 |
| 250 | 146 | 328 | 254 | 266 |
| 300 | 181 | 378 | 305 | 310 |
| 350 | 184 | 438 | 350 | 355 |
- Spring-loaded dual plates provide rapid closure when flow rate decreases, minimizing closing stroke time and distance
- Enhanced dynamic response during fluid backflow conditions
- Significantly reduces water hammer effects for non-impact performance
- Spring force ensures tip-first closure to prevent plate root binding
- Maintains uniform sealing performance over extended service life
Packing: Custom wood cases with skilled packing to prevent damage during transit
Delivery: 7-60 days based on order requirements via sea, air, or rail transport
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