CHECK VALVE – KRD-LCF
Strong, bolted bonnet piston check valve with low pressure drop.
Piston check valves are used to protect pumps or similar equipment.
They are mainly used in conjunction with globe and angle valves in piping systems where the direction of flow changes frequently.
Piston check valves have a dash-pot consisting of a piston and a cylinder, which exerts a cushioning effect during operation.
These valves allow flow in one direction and prevent flow reversal due to back pressure.
They provide a better pressure drop in pipelines.
Piston check valves are also called lift check valves.
KRD-LCF check valve - DIN PN
- Cast Steel Piston / Lift Check Valve
- DIN PN 40 - F1, ½" - 12" (DN15 ~ DN300)
Standards
- Basic design to DIN 3356
- Face-to-face acc. to EN 558 Series 1(DIN 3202-F1)
- End flange dimension acc. to EN 1092-1
- Inspection & test acc. to EN 12266-1/2
Body Material
DIN 17245 GS-C25 + 13Cr
Temperature Range
Metal seat: -10°C to 450°C
KRD-LCF check valve - ISO CLASS
- Cast Steel Piston / Lift Check Valve
- ISO CLASS 150, 2" - 12" (DN50 ~ DN300)
- ISO CLASS 300, 2" - 12" (DN50 ~ DN300)
- ISO CLASS 600, 2" - 12" (DN50 ~ DN300)
Standards
- Basic design to BS 1868
- Face-to-face acc. to ASME B16.10
- End flange dimension acc. to ASME B16.5
- Inspection & test acc. to API 598
Body Material
ASTM A216 WCB
Temperature Range
Metal seat: -29°C to 450°C
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