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.

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Orifice W-safety valve for
high capacity applications

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EPV 84 with balanced bellows

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