(PSB) Pressure seal Check Valve
Pressure Range：Class 150∽Class 1500
Material：Carbon steel,Stainless steel,Alloy steel,special material,chromium molybdenum steel,etc.
Operation: Manual Pneumatic Electric
Steel Check valves, API 6D/BS1868
Steel gate valves, ISO 14313
Steel valves, ASME B16.34
Face to face, ASME B16.10
End flanges, ASME B16.5
Butt welding ends, ASME B16.25
Inspection and test, API 598
Pressure seal bonnet cap
Swing type,Anti-rotation disc
Renewable seat rings
Non-penetrate disc shaft
Horizontal or vertical service
Flanged or Butt welding ends
Material of parts:
11/4 Cr-11/2 Mo
ASTM A351 CF8M
Bonnet stud nut
Carbon steel/Stainless steel
Note: 1) We can produce special material according to client's requirements
2) Disc and seat ring may either be solid facing material or a base material equal or better than the body/bonnet material with facing as shown.
PSB Check Valve:
1.PSB check valve is self-sealing
valve. The disc can be acted by the flow which can protect against the media
2.The disc with spring can keep the
valve work in any direction.
3.Alloy steel material is surfacing
welding on the sealing face which has good characteristic against corrosion,
erosion and abrasion to extend the valves’ life time.
4.It can be installed horizontally or
vertically and easy installation.
5.Quickly open and close, and wonderful
6.Used as the controlling device to
prevent the medium from back flowing on pipeline, carrying water, stem, oil,
nitric acid, acetic acid and oxidant medium, etc. , depending on the following
medium to open and close automatically.
7.Reasonable structure, reliable
sealing, excellent performance and attractive appearance make a DBV valve.
ASTM A216 WCB WCC; ASTM A217 WC1 WC6
WC9; ASTM A351 CF8,A351 CF8M, A351 CF3,A351
CF3M,A351 CN7M; ASTM A352 LC1 LCB LCC LC3(Cast Steel, Alloy Steel,
Stainless Steel, Special Steel)
RF, FF, M, F, TG, RG
Face To Face:
Test And Inspection:
API 598/ISO 5208
End flange dimension:
ASME B16.5,ASME B16.47(API 605 ,MSS SP44)
Butt weld end dimension:
ISO9001, ISO14001, ISO28001, TS, CE,TUV