EPV 8 Large Sizes V, W – API 526
The additional orifice sizes V and W allow for selection of one or smaller quantity of valves where the API 526 standard would require a multiple installation for large capacity. Based on the general API range V, W orifices are designed for high capacities.
SIZE
SET PRESSURE
Material
NPS 10” & 12”
Up to 20.7 bar g
1.0619
1.7357
1.4408
–
Up to 300 psig
WCB
WC6
CF8M
The additional orifice sizes V and W are made for very large flow applications.
These capacities are also certified by the National Board of Boiler and Pressure Vessel Inspectors.
Using similar design the orifice D-T – valve benefits also apply to sizes V and W.
Suitable for applications in the chemical and petrochemical industries, closed systems, oil/gas – onshore and offshore, refineries and tank farms as well as nuclear facilities according to ASME Sec. III.
Orifice W-safety valve for
high capacity applications
EPV 84 with balanced bellows