Butterfly Dual Disc Wafer Check Valve Stainless Steel 1.4408/CF8M/SCS14A - 50-300mm DN Size Range with API Standards
The Butterfly Dual Disc Wafer Check Valve with Stainless Steel Body (1.4408/CF8M/SCS14A) is engineered for industrial pipeline systems requiring reliable backflow prevention. This wafer-type valve features dual semicircular discs with spring-forced reset mechanism for optimal sealing performance.
- Design: API 594, API 6D, JB/T8937
- Face to Face: API 594, API 6D, DIN3202, JB/T8937
- Pressure & Temperature Rating: ASME B16.34
- Test & Inspection: ANSI B16.34, DIN2401, GB/T9124, JB/T74
Ideal for industrial, environmental, water treatment, and high-rise building water supply systems. Prevents reverse flow in pipelines with reliable sealing through body weld overlay or rubber lining options.
| DN | L (mm) | D (mm) | D2 (mm) | D3 (mm) |
|---|---|---|---|---|
| 50 (2") | 60 | 103 | 51 | 56 |
| 65 (1 1/2") | 67 | 122 | 65 | 73 |
| 80 (3") | 73 | 135 | 80 | 88 |
| 100 (4") | 73 | 173 | 102 | 108 |
| 125 (5") | 86 | 195 | 127 | 132 |
| 150 (6") | 98 | 220 | 152 | 160 |
| 200 (8") | 127 | 277 | 203 | 210 |
| 250 (10") | 146 | 337 | 254 | 266 |
| 300 (12") | 181 | 407 | 305 | 310 |
- Compact structure - length only 1/4 to 1/8 of traditional flange check valves
- Lightweight design - weight reduced to 1/4 to 1/20 of conventional valves
- Rapid disc closure minimizes water hammer pressure
- Versatile sealing options including body weld overlay or rubber lining
- High efficiency design suitable for various industrial applications
Wenzhou Xidelong Valve Co., Ltd specializes in valve design, development, and manufacturing with ISO9001 and CE certifications. Our products meet international quality standards and serve global markets including Middle East, Europe, and Asia.
Professional wood case packaging ensures safe transportation. Delivery timeframe: 7-60 days based on order requirements. Multiple shipping options available including sea, air, and rail transport.
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