Instrument Monoflanges

Instrument Monoflanges

AS-Schneider Instrument Monoflanges are close coupled to a pre-installed primary isolation valve to provide a compact instrument Double Block and Bleed Valve or are used when primary isolation valves with an OS & Y Bolted Bonnet are not required. The needle valves of the Instrument Monoflanges are provided with a screwed bonnet. The Standard Pressure Instrument Connection is 1/2 NPT female, the Standard Process Connections are provided by Flange Connections acc. to ASME B 16.5. AS-Schneider is providing axial, radial or dual outlet types for either Horizontal or Vertical Flange Mounting.

The Monoflanges are available as Block, Block & Bleed or Double Block & Bleed designs.


MN Instrument Monoflange, Block & Bleed Type
A Packing: PTFE
ND ASME Flange Size: 3/4", RF
A ASME Flange Class: 150
LN4 Outlet Connection: 1/2 NPT Female
S Material: 1.4401 / 1.4404 / 316 / 316L
C Vent Connection: 1/4 NPT Female

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