The TLW® Check Valve (Tapped Lug Wafer) was engineered for applications where exposed studs are not suitable. This non-slam spring-assisted, center-guided, lugged pattern wafer check valve is designed to prevent water hammer and reverse flow. The lightweight compact design fits between mating flanges and meets API 594 face-to-face dimensions. The TLW® Check Valve body design eliminates potential leak paths to the environment and is an easy-to-maintain check valve for applications involving liquids, gases, or steam. Tapped holes are provided in the body for lifting lugs to assist with installation (10" and larger sizes only).
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ASME CLASS

Size (in)

Size (mm)

ENDS

Cv

Prod. #

ASME CLASS

Size

Cracking Pressure CP

Body

ENDS

Cv

N/A 150 N/A 2.00 in N/A 0.034 bar0.5 psig N/A A216 WCB N/A Wafer (RF) N/A 120
N/A 300 N/A 2.00 in N/A 0.034 bar0.5 psig N/A A216 WCB N/A Wafer (RF) N/A 120
N/A 150 N/A 2.00 in N/A 0.034 bar0.5 psig N/A A351 CF8M N/A Wafer (RF) N/A 120
N/A 300 N/A 2.00 in N/A 0.034 bar0.5 psig N/A A351 CF8M N/A Wafer (RF) N/A 120
N/A 150 N/A 2.50 in N/A 0.034 bar0.5 psig N/A A216 WCB N/A Wafer (RF) N/A 205
N/A 300 N/A 2.50 in N/A 0.034 bar0.5 psig N/A A216 WCB N/A Wafer (RF) N/A 205
N/A 150 N/A 2.50 in N/A 0.034 bar0.5 psig N/A A351 CF8M N/A Wafer (RF) N/A 205
N/A 300 N/A 2.50 in N/A 0.034 bar0.5 psig N/A A351 CF8M N/A Wafer (RF) N/A 205
N/A 150 N/A 3.00 in N/A 0.034 bar0.5 psig N/A A216 WCB N/A Wafer (RF) N/A 260
N/A 300 N/A 3.00 in N/A 0.034 bar0.5 psig N/A A216 WCB N/A Wafer (RF) N/A 260
N/A 150 N/A 3.00 in N/A 0.034 bar0.5 psig N/A A351 CF8M N/A Wafer (RF) N/A 260
N/A 300 N/A 3.00 in N/A 0.034 bar0.5 psig N/A A351 CF8M N/A Wafer (RF) N/A 260
N/A 150 N/A 4.00 in N/A 0.034 bar0.5 psig N/A A216 WCB N/A Wafer (RF) N/A 430
N/A 300 N/A 4.00 in N/A 0.034 bar0.5 psig N/A A216 WCB N/A Wafer (RF) N/A 430
N/A 150 N/A 4.00 in N/A 0.034 bar0.5 psig N/A A351 CF8M N/A Wafer (RF) N/A 430
N/A 300 N/A 4.00 in N/A 0.034 bar0.5 psig N/A A351 CF8M N/A Wafer (RF) N/A 430
N/A 150 N/A 6.00 in N/A 0.034 bar0.5 psig N/A A216 WCB N/A Wafer (RF) N/A 825
N/A 300 N/A 6.00 in N/A 0.034 bar0.5 psig N/A A216 WCB N/A Wafer (RF) N/A 825
N/A 150 N/A 6.00 in N/A 0.034 bar0.5 psig N/A A351 CF8M N/A Wafer (RF) N/A 825
N/A 300 N/A 6.00 in N/A 0.034 bar0.5 psig N/A A351 CF8M N/A Wafer (RF) N/A 825
N/A 150 N/A 8.00 in N/A 0.034 bar0.5 psig N/A A216 WCB N/A Wafer (RF) N/A 1310
N/A 300 N/A 8.00 in N/A 0.034 bar0.5 psig N/A A216 WCB N/A Wafer (RF) N/A 1310
N/A 150 N/A 8.00 in N/A 0.034 bar0.5 psig N/A A351 CF8M N/A Wafer (RF) N/A 1310
N/A 300 N/A 8.00 in N/A 0.034 bar0.5 psig N/A A351 CF8M N/A Wafer (RF) N/A 1310
N/A 150 N/A 10.0 in N/A 0.034 bar0.5 psig N/A A216 WCB N/A Wafer (RF) N/A 1875
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