MIDDLE FLOW RANGE - TWO PORT VERSION - NPT1/2" PORTING
DIAPHRAGM SHUT-OFF VALVE, for piping systems with outside diameter up to 25 mm/1"
Suitable for high purity, inert, flammable and oxidizing gases, max. working pressure up to 40 bar/600psi.
SPECIAL FEATURES
- Higher flow rates
- Permanently technical tightness to outside because of Hastelloy diaphragm
- Approved in accordance with relevant sections of ISO 10297
- Usable for Oxygen applications because of approved seat material
- Suitable in piping systems with higher flow rates
- Able to connect tubes up to 25 mm (outlet diameter)
- Electrostatic chargeability test
- Fulfils requirements according to DIN EN ISO 80079-36; IEC TS 60079-32-1 and German TRGS 727
- Usable in EX-areas zones 1 and 2 for gases with explosion risk group I; IIA; IIB; IIC
TECHNICAL DATA
| Material: | Brass |
| Leakage rate: | < 5×10-6 mbar l/s He (seat) < 1×10-9 mbar l/s He (outboard) |
| Working temperature: | -25°C to +60°C |
| Max. working pressure: | 40 bar |
| Inlet/Outlet | NPT 1/2" female; optional tube fittings |
Brass_VPMA_EN.pdf 
