Forged Lift Check Valve – Class 800 / 1500 / 2500

API 602 / ISO 15761 forged lift check valve with spring-loaded disc for reliable non-return service in high-pressure, small-bore piping.

API 602 / ISO 15761ASME B16.11ASME B1.20.1API 598

Pressure: Class 800+
Size Range: 1/2" to 1.5"
Testing: API 598

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VEPLHYDRO-TESTED · API 598

The anatomyscroll to separate

VEPL12 machined parts · one pressure envelope

01
Body
ASTM A216 GR.WCB · cast · API 6D
02
End flanges
03
Stud bolts
04
Seat rings
05
Ball
06
Trunnion
07
Gland assembly
08
Stem
09
Operator

Body

ASTM A216 GR.WCB · cast · API 6D

Technical specifications

Material: Body: ASTM A105 (CS) / ASTM A182 GR.F316 (SS) / ASTM A182 GR.F304 / ASTM A350 GR.LF2
Pressure Rating: Class 800 / Class 1500 / Class 2500
Temperature Range: -29°C to +427°C (ASTM A105 CS; LF2 to -46°C)
Size Range: 1/2" to 1.5" (DN 15–40)
End Connections: NPT (F) × Socket Weld; NPT (F) × NPT (F); Butt Weld
Bonnet Types: Bolted Cover / Welded Cover
Spring: ASTM A313 GR.304 / ASTM A313 GR.316

Standards & testing

MFG. STD: API 602 / ISO 15761
Socket Weld End: ASME B16.11
Screwed End: ASME B1.20.1
Insp. & Test: API 598
Press. & Temp: ASME B16.34

Custom engineering

Special trims, exotic materials and non-standard dimensions are available against your datasheet — send it with your quote request and our engineering team will respond with a compliant proposal.

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