Gate valve can be used for regulating flow or pressures as well as
complete shutoff of flow. It may also be used sometime as a pressure
relief valve or as a check valve. Compared with a gate valve or ball
valve, the gate valve has considerably higher pressure loss in the
fully open position.
Gate Valve
Specification of Gate valves
| Size |
50NB — 600NB |
| Material |
C.I. / C.S. / F.C.S. / SS
304/304L / SS 316/316L / Alloy
20 / Hestalloy B/C & Monel. |
| Pressure |
150PS1 |
| Temperature |
0 Deg C - 1200 Deg C. |
| Body , Chest |
Solid One piece casting of Cast Iron Fg 260, Cast
Steel Gr WCB ,CF8,CF8M. |
| Seat |
Integral to Body, Soft, Optional. |
| Gate |
AISI SS 304,316,316L,317,317L |
| Screw Spindle |
AISI SS 410,304,316. |
| Nut |
Brass |
| Yoke |
Plate type of MS . |
| Gland Follower |
Cast Iron , Cast steel , Ductile Iron ,CF8,CF8M.
|
| Hand Wheel |
Cast Iron , Cast steel , Ductile Iron |
| Gland Packing |
PTFE , PTFE Impregnated |
| End conection |
Flanged ends, Screwed ends,
Socket weld ends & Butt weld
ends.
|
| Port |
STANDARD [Round], Optional V Port, Diamond Port,.
|
Gate Valve Diagram
Gate Valve Sizes
| Size range |
15 MM to 600 MM |
Gate valves Maximum pressure ratings
| pressure |
150 class to 2500
class |
Operating Temperature of Gate Valves
| Maximum Operating Temperature |
232 °C
450 °F |
