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  • TLW® Wafer Check Valves
  • TLW-Wafer-Check-Valve-Photo
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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Size (in)

Size (mm)

ASME CLASS

Seat

Body Material

ENDS

Prod. #

Size

ASME CLASS

Body

Trim

Seat

CAD Download

Inventory

Rfi_link

Inventory

List Price

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) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
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) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
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) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
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) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
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) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
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) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
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) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
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) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
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) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
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) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
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) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
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) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
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) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
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) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
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) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
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) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
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) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
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) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
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) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
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) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
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) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
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) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
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) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
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) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
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) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
N/A 8 in200 mm N/A 300 N/A A351 CF8M N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
N/A 8 in200 mm N/A 300 N/A A216 Grade WCB N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
N/A 8 in200 mm N/A 150 N/A A216 Grade WCB N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
N/A 8 in200 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) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
N/A 10 in250 mm N/A 150 N/A A351 CF8M N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
N/A 10 in250 mm N/A 300 N/A A351 CF8M N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
N/A 10 in250 mm N/A 300 N/A A216 Grade WCB N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
N/A 10 in250 mm N/A 150 N/A A216 Grade WCB N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
N/A 10 in250 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) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
N/A 12 in300 mm N/A 150 N/A A351 CF8M N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
N/A 12 in300 mm N/A 300 N/A A351 CF8M N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
N/A 12 in300 mm N/A 300 N/A A216 Grade WCB N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
N/A 12 in300 mm N/A 150 N/A A216 Grade WCB N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
N/A 12 in300 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) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
N/A 14 in350 mm N/A 150 N/A A351 CF8M N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
N/A 14 in350 mm N/A 300 N/A A351 CF8M N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
N/A 14 in350 mm N/A 150 N/A A216 Grade WCB N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
N/A 14 in350 mm N/A 300 N/A A216 Grade WCB N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
N/A 16 in400 mm N/A 150 N/A A351 CF8M N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
N/A 16 in400 mm N/A 300 N/A A351 CF8M N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
N/A 16 in400 mm N/A 150 N/A A216 Grade WCB N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
N/A 16 in400 mm N/A 300 N/A A216 Grade WCB N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
N/A 18 in450 mm N/A 150 N/A A351 CF8M N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
N/A 18 in450 mm N/A 300 N/A A351 CF8M N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
N/A 18 in450 mm N/A 150 N/A A216 Grade WCB N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
N/A 18 in450 mm N/A 300 N/A A216 Grade WCB N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
N/A 20 in500 mm N/A 150 N/A A351 CF8M N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
N/A 20 in500 mm N/A 300 N/A A351 CF8M N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
N/A 20 in500 mm N/A 150 N/A A216 Grade WCB N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
N/A 20 in500 mm N/A 300 N/A A216 Grade WCB N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
N/A 24 in600 mm N/A 150 N/A A351 CF8M N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
N/A 24 in600 mm N/A 300 N/A A351 CF8M N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
N/A 24 in600 mm N/A 150 N/A A216 Grade WCB N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
N/A 24 in600 mm N/A 300 N/A A216 Grade WCB N/A 316 SS N/A 316 SS N/A CAD Icon (for items table) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
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) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
N/A 2 in50 mm N/A 300 N/A A216 Grade WCB N/A 316 SS N/A Viton® N/A CAD Icon (for items table) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
N/A 3 in80 mm N/A 150 N/A A216 Grade WCB N/A 316 SS N/A Viton® N/A CAD Icon (for items table) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
N/A 4 in100 mm N/A 150 N/A A216 Grade WCB N/A 316 SS N/A Viton® N/A CAD Icon (for items table) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
N/A 6 in150 mm N/A 150 N/A A216 Grade WCB N/A 316 SS N/A Viton® N/A CAD Icon (for items table) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
N/A 6 in150 mm N/A 150 N/A A216 Grade WCB N/A 316 SS N/A Viton® N/A CAD Icon (for items table) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
N/A 6 in150 mm N/A 300 N/A A216 Grade WCB N/A 316 SS N/A Viton® N/A CAD Icon (for items table) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
N/A 8 in200 mm N/A 150 N/A A216 Grade WCB N/A 316 SS N/A Viton® N/A CAD Icon (for items table) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
N/A 12 in300 mm N/A 150 N/A A216 Grade WCB N/A 316 SS N/A Viton® N/A CAD Icon (for items table) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
N/A 12 in300 mm N/A 300 N/A A216 Grade WCB N/A 316 SS N/A Viton® N/A CAD Icon (for items table) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
N/A 16 in400 mm N/A 150 N/A A216 Grade WCB N/A 316 SS N/A Viton® N/A CAD Icon (for items table) N/A
{0} 		N/A =CASE WHEN {Inventory}=0 THEN {Rfi_link} ELSE CONVERT(VARCHAR(255),{Inventory}) END= {QUOTE}
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