CONSTRUCTION :
Body and Bonnet Investment casted ASTM-A, 351CF8 (St.St. 304) CF8M
(St.St. 316).
Pressure Temperature Rating As per ANSI class 300.
End Connections Standard BSP(F)/ NPT(F).
Seating Soft seated Teflon backed by EPDM.
Optional-VITON/EPDM, Buna Nitrile.
Leakage As per ANSI B 16.104 - 1976
Teflon seating class IV. For other soft seating class VI Drop Tight/ Bubble Tight.
Trim S.S. AISI 304/316.
Stem Packing Self adjusting, Spring loaded Teflon packing.
Characteristics On-off, normally open.
Working Fluid Pressure Refer to table below.
Working Temperature On steam-continuous 155°C.
Intermittent 180°C. with Teflon seating, Buna Nitrile 80°C., EPDM 135°C., VITON 180°C