Article Code 1010

Salient Features

• Screwed Female Ends to IS 554 / BS 21 / ISO 7.
• Screwed in Bonnet, Integral Seat.
• Permits flow in one direction and closes automatically if the flow reverses.
• Metal Disc is mushroom shaped with spherical seating surface.
• Meant for Horizontal Lines only.
• Disc is guided in Body as well as in Bonnet.
• Medium Pattern.
• Also available with metal to metal seating.

Test Pressure (Hydrostatic) :
Shell : 20 kg/cm²g (285 psig)
Seat : 13.5 kg/cm²g (192 psig)
Maximum Working Temperature : 80°C

Suitable For Water, Oil