Two Functions, One Valve
Switch between overpressure relief and back-pressure control, cutting spare-parts variety.
GB (China) CPVC/UPVC/PVDF/PP法兰连接DN15~DN65安全/背压两用
CPVC/UPVC/PVDF/PP · Flanged
Flanged Safety / Back-Pressure Valve
CPVC/UPVC/PVDF/PP · Flanged
A flanged valve that works as either a safety valve (automatic relief on overpressure) or a back-pressure valve (maintaining system back-pressure). Flanged ends bolt directly to flanged ball and diaphragm valves. Available in CPVC, UPVC, PVDF and PP.
Key Specifications
| Material | CPVC / UPVC / PVDF / PP（可选） |
| Function | Safety valve (overpressure relief) / back-pressure valve, one valve two functions |
| Connection | Flange |
| Application | Overpressure protection and back-pressure control for corrosive-media lines |
Dimensional Data
| DN (mm) | L Length | D Body OD | H Height | h Opening | d Bore |
|---|---|---|---|---|---|
| 15 | 145 | 82 | 154 | 27 | 95 |
| 20 | 145 | 82 | 173 | 27 | 105 |
| 25 | 182 | 107 | 173 | 35 | 115 |
| 32 | 196 | 107 | 173 | 35 | 140 |
| 40 | 243 | 148 | 225 | 58 | 150 |
| 50 | 255 | 148 | 225 | 58 | 165 |
| 65 | 278 | 148 | 225 | 58 | 185 |
| For more sizes and specifications, please contact our customer service or email info@mhf-pipe.cloud | |||||
All dimensions in millimeters (mm), for reference only. Actual dimensions prevail.
Product Features
✦
✦
Direct Flange Mounting
Flanged ends bolt straight to flanged ball and diaphragm valves — no adapters needed.
✦
Four Materials
Choose CPVC, UPVC, PVDF or PP to suit media corrosiveness and temperature.
Applications
Bulk Orders · Custom Specs · Technical Consulting
Inquire Now →Negotiable MOQ · Fast delivery · 10-20% price advantage
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