NIBCO

W-920-W-LF 18 in. Ductile Iron Wafer Check Valve

Part #NW920WLF18  |  Manufacturer Part #NLN50XV

Valve Size:

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Product Details

  • Class 125 wafer end connections
  • To be installed between standard flat face flanges
  • Valve pressure rating 2" - 12": 250 psi/17.2 bar non-shock cold working pressure
  • Valve pressure rating 14" - 24": 150 psi/10.3 bar non-shock cold working pressure
  • Maximum temperature 180°F/ 82°C
  • Resilient Buna-N seat molded to body
  • Spring actuated

Lead Law Compliant

Documents

Specifications

ANSI Specifications: [ANSI 61, ANSI 372, ANSI B16.1]

ASME Specifications: ASME B16.1

ASTM Specifications: ASTM A-536 Grade 65-45-12

Collection: W-920-W-LF

End Connection 1: Wafer

End Connection 2: Wafer

End Connections: Wafer

FM Approved: No

IAPMO Listed: No

Lead Law Compliant: Yes

Length: 8 in

Material: Ductile Iron

Maximum Pressure: 125 psi

Maximum Temperature: 180

NSF Certified: Yes

NSF Specifications: [NSF 61, NSF 372]

Pressure Class: 125#

Schedule Class: Class 125

UL Listed: No

Valve Body Style: Wafer

Valve Disc Material: Bronze

Valve Seat Material: Buna-N

Valve Size: 18 in

Valve Type: Check Valve