The DFT® Model WLC Wafer style Silent Check Valve is a lightweight, spring-assisted, in-line check valve that provides reliable, low maintenance service for a wide range of fluids and pressure/temperature combinations. The joint between the seat ring and body is sealed by the flange gasket upon installation preventing any leakage through the joint when the valve is in service.

Size/Class
  • 1", 1 1/2" - 150/300
  • 2" to 8" - 150/300
  • 10" - 150
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Prod. #

OLD PART #

Class

Size

Dimension A

Dimension B

Cv

Cracking Pressure CP

Body

N/A 9030-1 N/A 150/300 N/A 1 in N/A 2.00 in51 mm N/A 2.88 in73 mm N/A 19 N/A 0.36 psig0.025 bar N/A A216 Grade WCB
N/A 9033-1 N/A 150/300 N/A 1 in N/A 2.00 in51 mm N/A 2.88 in73 mm N/A 19 N/A 0.36 psig0.025 bar N/A A351 CF8M
N/A 9012-1 N/A 600 N/A 1 inDN 25 N/A 2.38 in60 mm N/A 2.88 in73 mm N/A 19 N/A 0.36 psig0.025 bar N/A A105
N/A 9013-1 N/A 600 N/A 1 inDN 25 N/A 2.38 in60 mm N/A 2.88 in73 mm N/A 19 N/A 0.36 psig0.025 bar N/A A479-316
N/A 9038-1 N/A 900/1500 N/A 1 inDN 25 N/A 2.38 in60 mm N/A 3.13 in80 mm N/A 19 N/A 0.44 psig0.030 bar N/A A105
N/A 9041-1 N/A 900/1500 N/A 1 inDN 25 N/A 2.38 in60 mm N/A 3.13 in80 mm N/A 19 N/A 0.44 psig0.030 bar N/A A479-316
N/A 9130-1 N/A 1500 (RTJ) N/A 1 inDN 25 N/A 2.38 in60 mm N/A 3.13 in80 mm N/A 19 N/A 0.44 psig0.030 bar N/A A105
N/A 9131 N/A 1500 (RTJ) N/A 1 inDN 25 N/A 2.38 in60 mm N/A 3.13 in80 mm N/A 19 N/A 0.44 psig0.030 bar N/A A479-316
N/A 9034-1 N/A 150/300 N/A 1.5 in N/A 2.50 in64 mm N/A 3.75 in95 mm N/A 36 N/A 0.17 psig0.012 bar N/A A216 Grade WCB
N/A 9035-1 N/A 150/300 N/A 1.5 in N/A 2.5 in64 mm N/A 3.75 in95 mm N/A 36 N/A 0.17 psig0.012 bar N/A A351 CF8M
N/A 9097-1 N/A 600 N/A 1.5 inDN 40 N/A 2.88 in73 mm N/A 3.75 in95 mm N/A 23 N/A 0.44 psig0.030 bar N/A A105
N/A 9019-1 N/A 600 N/A 1.5 inDN 40 N/A 2.88 in73 mm N/A 3.75 in95 mm N/A 23 N/A 0.44 psig0.030 bar N/A A479-316
N/A 9044-1 N/A 900/1500 N/A 1.5 inDN 40 N/A 2.88 in73 mm N/A 3.88 in99 mm N/A 23 N/A 0.54 psig0.037 bar N/A A105
N/A 9045-1 N/A 900/1500 N/A 1.5 inDN 40 N/A 2.88 in73 mm N/A 3.88 in99 mm N/A 23 N/A 0.54 psig0.037 bar N/A A479-316
N/A 9132-1 N/A 1500 (RTJ) N/A 1.5 inDN 40 N/A 2.88 in73 mm N/A 3.88 in99 mm N/A 23 N/A 0.54 psig0.037 bar N/A A105
N/A 9133 N/A 1500 (RTJ) N/A 1.5 inDN 40 N/A 2.88 in73 mm N/A 3.88 in99 mm N/A 23 N/A 0.54 psig0.037 bar N/A A479-316
N/A 9084 N/A 150 N/A 10 inDN 250 N/A 8.25 in210 mm N/A 17.63 in448 mm N/A 1355 N/A 0.45 psig0.031 bar N/A A216 Grade WCB
N/A 9085 N/A 150 N/A 10 inDN 250 N/A 8.75 in222 mm N/A 17.63 in448 mm N/A 1355 N/A 0.45 psig0.031 bar N/A A351 CF8M
N/A 9053 N/A 1500 N/A 10 inDN 250 N/A 9.75 in248 mm N/A 17 in432 mm N/A 755 N/A 0.61 psig0.042 bar N/A A216 Grade WCB
N/A 9054 N/A 1500 N/A 10 inDN 250 N/A 9.75 in248 mm N/A 17 in432 mm N/A 755 N/A 0.61 psig0.042 bar N/A A351 CF8M
N/A 9049 N/A 1500 (RTJ) N/A 10 inDN 250 N/A 9.75 in248 mm N/A 17.06 in433 mm N/A 755 N/A 0.61 psig0.042 bar N/A A216 Grade WCB
N/A 9052 N/A 1500 (RTJ) N/A 10 inDN 250 N/A 9.75 in248 mm N/A 17.06 in433 mm N/A 755 N/A 0.61 psig0.042 bar N/A A351 CF8M
N/A 9003 N/A 150/300 N/A 2 inDN 50 N/A 2.63 in67 mm N/A 4.38 in111 mm N/A 57 N/A 0.24 psig0.017 bar N/A A216 WCB
N/A 9004 N/A 150/300 N/A 2 inDN 50 N/A 2.63 in67 mm N/A 4.38 in111 mm N/A 57 N/A 0.24 psig0.017 bar N/A A351 CF8M
N/A 9006 N/A 600 N/A 2 inDN 50 N/A 2.38 in60 mm N/A 4.38 in111 mm N/A 53 N/A 0.26 psig0.018 bar N/A A216 Grade WCB
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