SHC-4A Butterfly Valve
Size of butterfly valve | Pressure grade | From | To |
| PN10 | 2 | 20 |
| PN16 | 2 | 20 |
Working pressure and temperature of butterfly valve
| Working temperature |
| Material | Celsiur scale | Fahrenheit |
| Cast iron | 0C~100C | 32F~212F |
| Ductile iron | 0C~100C | 32F~212F |
Central design specifications of butterfly valve
| Item | American standard | British standard | Din standard |
| Manufacture | API 609 | BS EN593 | Din |
| Face to face | API 609 | BS EN558 | Din 3202 |
| End flange | ANSI 125/150 | BS 4504 | Din 5201 |
| Inspection and test | API 598 | BS EN12266-1 | Din 3230 |
Test pressure of butterfly valve API 598 or BS EN12266-1 OR DIN 3230
| PN | Shell(water) | Seat (Water) | Seat (air) |
| 10 | 1.5Mpa | 312PSI | 1.1 Mpa | 156Psi | 0.6MPA | 80 Psi |
| 16 | 2.4 Mpa | 341PSI | 1.76 Mpa | 250 Psi | 0.6MPA | 80 Psi |
Design description of butterfly valve
1.Wafer or lug type, butterfly valve
2. Fluid application: water, sewage, air, oil, power, gas, etc.
3. Zero leak shut-off and full bidirecation sealing design
4. Epoxy coating, minimized operating torque, energy saving.
5. Lever operated with 10 throttling position.
6. Actuator mounting pad flange Acc, to ISO5211
Flange requirements
ANSI 125/150, BS4504, JIS 10K, AS2129
TABLE D/E, BS10-E, ISO2084, DIN2501
Parts and material of butterfly valve
| No | Pars name | Material |
| 1 | Body | ASTM A-126-B,A536 65-45-12,A216-WCB,A351-CF8/CF8M |
| 2 | Seat | HYPALON,EPDM,NBR,VITON,PTFE,NEOPRENE |
| 3 | Disc | ASTM A536 65-45-12,NYLONG PTFE EPOXY Coating ,A351-CF8/CF8M,ASTM B148 |
| 4 | Pin | ASTM A182-F304/F316/410,Monel K500 |
| 5 | Bushing | PTFE or Bronze |
| 6 | Stem | ASTM A182-F304/F316/410,Monel K500 |
| 7 | O-ring | HYPALON,EPDM,NBR,VITON,PTFE,NEOPRENE |
| 8 | Short bushing | PTFE or bronze |
| 9 | Key | Carbon steel |
Other materials are available upon request
We hereby reserve the rights of any alternative dimension that would help improve our valve's quality and working efficiency. We welcome global customers choose and use our valves including Butterfly Valve, Gate Valve, Globe Valve, Check Valve, Ball Valve, Knife Gate Valve, Air Valve, Foot Valve, Hydrant Valve, Strainer and Pipe Fittings.
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