Breather Valve

APPLICATION
 This valve is installed in the in-and out breathing lines of tanks, vessels and process equipments to protect against unpredicted fluctuations in pressure & vacuum. By retaining toxic vapors and avoiding atmospheric contamination, these valves provide increased fire protection and safety.
SIZE RANGE
50 DN , 80 DN , 100 DN (Higher sizes on request).
SPECIFICATION
Pressure Rating:ANSI B16.5 Class 150
Relief Set Pressure:200mmWCg to 600mmWCg
Set Vacuum:-20 to -600mm WCg
Working Temperature:-45°C to 200°C with different elastometric parts.
 
MATERIALS 
Body:A216 WCB
Internal Trim Parts:A479 Gr. SS316
Disc:Nitrile, EPDM, Viton, PTFE
O’ Rings:Nitrile, EPDM, Viton, PTFE
Seat:Nitrile, EPDM, Viton, PTFE

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