Valves › Pressure Relief Valve
Model 1216F 316ss Relief Valve, screwed
Safety Relief valve for Gases & Liquids, 316L body & nozzle, 316ss trim, Viton or PTFE Seat, screwed bsp/npt, closed cap - rated to PN40
Sizes- 1/2” (DN15) → 2” (DN50)
Options: Lifting lever, sealed packed lever, cryogenic option with metal/metal seat, Steam service
Read More...
Model 1400 Relief Valve, Flanged AS
Safety Relief valve for Steam, Gases & Liquids, WCB Body + SS/Stellite Nozzle or 316 Body/Nozzle, Viton/PTFE Seat or metal/metal seat, flanged ends to AS standards PN16/25, PN40 or PN100
Sizes - ½” x 1” (DN15) x (DN25)
¾” x 1¼” (DN20) x (DN32)
1” x 1½” (DN25) x (DN40)
1¼”x 2” (DN32) x (DN50)
1½”x 2½”(DN40) x (DN65)
2” x 3” (DN50) x (DN80)
2½”x 4” (DN65) x (DN100)
3” x 5” (DN80) x (DN125)
4” x 6” (DN100) x (DN150)
5” x 8” (DN125) x (DN200)
6” x 8” (DN150) x (DN200)
8” x 12” (DN200) x (DN300)
Options: Nodular Iron body, Lifting lever, sealed packed lever
Read More...
Model 1415 API Relief Valve, Flanged Ansi
Safety Relief valve for Steam, Gases & Liquids, WCB Body + 304ss Nozzle or 316L Body/Nozzle, Viton/PTFE Seat or metal/metal seat, flanged ends to Ansi 150#R or 300#RF, 600#RF, 900#RF, 1500#RF
Sizes - 1/2” (DN15) x 1” (DN25) → 8” (DN200) x 10” (DN250)
(see data sheet for orifice sizes)
Options: Lifting lever, sealed packed lever, Nozzle & Disc Hastelloy C276, special springs
Read More...
Model 441 Safety Valve Flanged Ansi
Leser Safety Valve for Steam, Gases & Liquids, WCB Body/316L seat/hardened MT440SS Disc or 316SS Body/316L seat/disc, flanged ends to either DIN, AS Tables or Ansi 150#RF (or Ansi 300#RF x Ansi 150#RF)
AS1271 Set Pressure Certificate can be supplied
Sizes - ½” x 2” (DN15 x DN50) 23mm orifice
1½” x 2” (DN40 x DN50) 29mm orifice
1½” x 2½” (DN40 x DN65) 37mm orifice
2” x 3” (DN50 x DN80) 46mm orifice
3” x 4” (DN80 x DN100) 60mm orifice
4” x 6” (DN100 x DN150) 92mm orifice
