Find My Check Valve
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).

Standard Features:
  • Sizes 2" thru 24"
  • ASME Class 150 and 300
  • Standard Body Materials:
    • A216 Grade WCB Carbon Steel
    • A351 CF8M Stainless Steel
  • API 594 Face-to-Face Dimensions
  • Threaded Lug Design
  • ASME B16.5 Bolt Hole Pattern
  • RF Wafer Ends
  • Horizontal or Vertical Installation
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425H1A4A5 N/A 2 in50 mm N/A 150 N/A A351 CF8M N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) 0 N/A N/A QUOTE
425H1B4A5 N/A 2 in50 mm N/A 300 N/A A351 CF8M N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) 0 N/A N/A QUOTE
422H1B4A5 N/A 2 in50 mm N/A 300 N/A A216 Grade WCB N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) 0 N/A N/A QUOTE
422H1A4A5 N/A 2 in50 mm N/A 150 N/A A216 Grade WCB N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) 0 N/A N/A QUOTE
422H1A4H5 N/A 2 in50 mm N/A 150 N/A A216 Grade WCB N/A 316 SS N/A 316 SS/Viton® F N/A CAD Icon (for items table) 0 N/A N/A QUOTE
425J1A4A5 N/A 2.5 in65 mm N/A 150 N/A A351 CF8M N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) 0 N/A N/A QUOTE
425J1B4A5 N/A 2.5 in65 mm N/A 300 N/A A351 CF8M N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) 0 N/A N/A QUOTE
422J1A4A5 N/A 2.5 in65 mm N/A 150 N/A A216 Grade WCB N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) 0 N/A N/A QUOTE
422J1B4A5 N/A 2.5 in65 mm N/A 300 N/A A216 Grade WCB N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) 0 N/A N/A QUOTE
425K1A4A5 N/A 3 in80 mm N/A 150 N/A A351 CF8M N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) 0 N/A N/A QUOTE
425K1B4A5 N/A 3 in80 mm N/A 300 N/A A351 CF8M N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) 0 N/A N/A QUOTE
422K1B4A5 N/A 3 in80 mm N/A 300 N/A A216 Grade WCB N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) 0 N/A N/A QUOTE
422K1A4A5 N/A 3 in80 mm N/A 150 N/A A216 Grade WCB N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) 0 N/A N/A QUOTE
422K1A4H5 N/A 3 in80 mm N/A 150 N/A A216 Grade WCB N/A 316 SS N/A 316 SS/Viton® F N/A CAD Icon (for items table) 0 N/A N/A QUOTE
425L1A4A5 N/A 4 in100 mm N/A 150 N/A A351 CF8M N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) 0 N/A N/A QUOTE
425L1B4A5 N/A 4 in100 mm N/A 300 N/A A351 CF8M N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) 0 N/A N/A QUOTE
422L1B4A5 N/A 4 in100 mm N/A 300 N/A A216 Grade WCB N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) 0 N/A N/A QUOTE
422L1A4A5 N/A 4 in100 mm N/A 150 N/A A216 Grade WCB N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) 0 N/A N/A QUOTE
422L1A4H5 N/A 4 in100 mm N/A 150 N/A A216 Grade WCB N/A 316 SS N/A 316 SS/Viton® F N/A CAD Icon (for items table) 0 N/A N/A QUOTE
425N1A4A5 N/A 6 in150 mm N/A 150 N/A A351 CF8M N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) 0 N/A N/A QUOTE
425N1B4A5 N/A 6 in150 mm N/A 300 N/A A351 CF8M N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) 0 N/A N/A QUOTE
422N1B4A5 N/A 6 in150 mm N/A 300 N/A A216 Grade WCB N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) 0 N/A N/A QUOTE
422N1A4A5 N/A 6 in150 mm N/A 150 N/A A216 Grade WCB N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) 0 N/A N/A QUOTE
422N1A4H5 N/A 6 in150 mm N/A 150 N/A A216 Grade WCB N/A 316 SS N/A 316 SS/Viton® F N/A CAD Icon (for items table) 0 N/A N/A QUOTE
425O1A4A5 N/A 8 in200 mm N/A 150 N/A A351 CF8M N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) 0 N/A N/A QUOTE
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