Orifice Plates (Flange Assemblies)

Orifice Plates Assemblies  are used for precision flow measurement for variety of flow conditions. 

Vir Engg. offers complete range of Orifice Plates for variety of flow conditions for  mounting between flanges or carrier rings. Orifice  bore calculations are offered as per customer's specification.

Orfice Flanges cover complete range of sizes and Pressure rating upto ASA 2500 lbs and type Viz WNRF,SORF WNRJ.

Orfice Flange Assemblies are supplied ready to instal in pipelines complete with Studs, Nut, Jack, Gaskets and Drain Plugs.

Orfice Flanges are manufactured in broad variety of materials to ASTM standards Viz.

CARBON STEELS  -  A 105, A 181 . 
ALLOY STEELS  -  A 182 Grades  -  F 1, F 5, F 11, F 12 & F 22 .
 STAINLESS STEELS  -  A 182 Grades - F 304/304L, F 316/316L & F 321. 
Standard material of Studs/Nuts - A 193 Gr, B7/A194 Gr 2H.
Standard material of Gaskets Compressed Asbestos Fibre. Fasteners & Gaskets of other material specifications available on request.