Monoflange Double Block & Bleed Valve



Block & bleed assemblies for primary isolation of pressure take-offs, where the valve is directly mounted to the vessel or process pipe. Instruments may be directly mounted to the valve outlet or alternatively remotely mounted with gauge line impulse pipe line.

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Process: Flange as per ANSI B16.5

Instrument:1/2 NPT (F)

Drain / Vent:1/4 NPT (F)
Test Pressure @ 25°C Room Temperature

Hydrostatic: Body - 415 bar
                    Seat - 415 bar

Pneumatic: Seat - 7 bar (g)
Gland Packing PTFE: Standard

GRAPHOIL: Temperatures above 200°C
Material A 105, A 182 / A 479 GR F 304, A 182 GR F316, Monel, Hastelloy,Duplex
Finish CS zinc plated. SS Natura