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  • ALC® Wafer Check Valves
The ALC® Check Valve is a non-slam spring-assisted, center-guided "wafer" check valve 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 ALC® Check Valve is an easy-to-maintain check valve for applications involving liquids, gases, or steam. Can be used in horizontal or vertical installation. 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"
  • API 594 Face-to-Face dimensions
  • RF Wafer ends
  • ASME Class 150 and 300
  • Horizontal or vertical installation
  • Standard body materials:
    • A216 Grade WCB carbon steel
    • A351 CF8M stainless steel
  • Stainless steel seat, disc & bushing
  • Spring-assisted silent closing
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525H1B4A5 0 N/A 2 in50 mm N/A 150 300 N/A A351 CF8M N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) N/A N/A QUOTE
525H1B4D5 0 N/A 2 in50 mm N/A 150 300 N/A A351 CF8M N/A 316 SS N/A A351 CF8M/Viton® N/A CAD Icon (for items table) N/A N/A QUOTE
522H1B4A5 0 N/A 2 in50 mm N/A 150 300 N/A A216 Grade WCB N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) N/A N/A QUOTE
522H1B4D5 0 N/A 2 in50 mm N/A 150 300 N/A A216 Grade WCB N/A 316 SS N/A A351 CF8M/Viton® N/A CAD Icon (for items table) N/A N/A QUOTE
525J1B4A5 0 N/A 2.5 in65 mm N/A 150 300 N/A A351 CF8M N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) N/A N/A QUOTE
525J1B4D5 0 N/A 2.5 in65 mm N/A 150 300 N/A A351 CF8M N/A 316 SS N/A A351 CF8M/Viton® N/A CAD Icon (for items table) N/A N/A QUOTE
522J1B4A5 0 N/A 2.5 in65 mm N/A 150 300 N/A A216 Grade WCB N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) N/A N/A QUOTE
522J1B4D5 0 N/A 2.5 in65 mm N/A 150 300 N/A A216 Grade WCB N/A 316 SS N/A A351 CF8M/Viton® N/A CAD Icon (for items table) N/A N/A QUOTE
525K1B4A5 0 N/A 3 in80 mm N/A 150 300 N/A A351 CF8M N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) N/A N/A QUOTE
525K1B4D5 0 N/A 3 in80 mm N/A 150 300 N/A A351 CF8M N/A 316 SS N/A A351 CF8M/Viton® N/A CAD Icon (for items table) N/A N/A QUOTE
522K1B4A5 0 N/A 3 in80 mm N/A 150 300 N/A A216 Grade WCB N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) N/A N/A QUOTE
522K1B4D5 0 N/A 3 in80 mm N/A 150 300 N/A A216 Grade WCB N/A 316 SS N/A A351 CF8M/Viton® N/A CAD Icon (for items table) N/A N/A QUOTE
525L1B4A5 0 N/A 4 in100 mm N/A 150 300 N/A A351 CF8M N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) N/A N/A QUOTE
525L1B4D5 0 N/A 4 in100 mm N/A 150 300 N/A A351 CF8M N/A 316 SS N/A A351 CF8M/Viton® N/A CAD Icon (for items table) N/A N/A QUOTE
522L1B4A5 0 N/A 4 in100 mm N/A 150 300 N/A A216 Grade WCB N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) N/A N/A QUOTE
522L1B4D5 0 N/A 4 in100 mm N/A 150 300 N/A A216 Grade WCB N/A 316 SS N/A A351 CF8M/Viton® N/A CAD Icon (for items table) N/A N/A QUOTE
525N1B4A5 0 N/A 6 in150 mm N/A 150 300 N/A A351 CF8M N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) N/A N/A QUOTE
525N1B4D5 0 N/A 6 in150 mm N/A 150 300 N/A A351 CF8M N/A 316 SS N/A A351 CF8M/Viton® N/A CAD Icon (for items table) N/A N/A QUOTE
522N1B4A5 0 N/A 6 in150 mm N/A 150 300 N/A A216 Grade WCB N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) N/A N/A QUOTE
522N1B4D5 0 N/A 6 in150 mm N/A 150 300 N/A A216 Grade WCB N/A 316 SS N/A A351 CF8M/Viton® N/A CAD Icon (for items table) N/A N/A QUOTE
525O1B4A5 0 N/A 8 in200 mm N/A 150 300 N/A A351 CF8M N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) N/A N/A QUOTE
525O1B4D5 0 N/A 8 in200 mm N/A 150 300 N/A A351 CF8M N/A 316 SS N/A A351 CF8M/Viton® N/A CAD Icon (for items table) N/A N/A QUOTE
522O1B4A5 0 N/A 8 in200 mm N/A 150 300 N/A A216 Grade WCB N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) N/A N/A QUOTE
522O1B4D5 0 N/A 8 in200 mm N/A 150 300 N/A A216 Grade WCB N/A 316 SS N/A A351 CF8M/Viton® N/A CAD Icon (for items table) N/A N/A QUOTE
525P1B4A5 0 N/A 10 in250 mm N/A 150 300 N/A A351 CF8M N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) N/A N/A QUOTE
1 - 25 of 116 | Results Per Page | View | Unit of Measure
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