Series 174A 2 in. Bronze FNPT 40# 250 Relief Valve

Part #W174A40K  |  Manufacturer Part #0278034

Valve Size:

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Product Details

  • Water seal of high temperature resisting material isolates spring working parts from water during relief
  • Non mechanical seat-to-disc alignment will not stick or freeze
  • Water can't be trapped and sediment can't foul seat
  • Bronze body safety relief valves for pressure protection only of all types of hot water heating boiler equipment
  • Standard pressure relief setting 30 psi. No. W374AF.Iron body with bronze inlet; 550,000 BTU/Hr. rating.



ADA Compliant: No

ANSI Specifications: ANSI 1105

ASME Specifications: ASME Section IV

Application: Boiler

BAA Compliant: Yes

Collection: Series 174A

Depth: 6-22/25 in

End Connection 1: Female Threaded

End Connection 2: Female Threaded

End Connections: Female Threaded

Fitting Size 1: 2 in

Fitting Size 2: 2 in

Fitting Sizes: 2 in

Height: 11-1/2 in

ISO Specifications: ISO 9001-2000

Length: 6-1/2 in

Material: Bronze

Maximum Pressure: 30 psi

Maximum Temperature: 250

Pressure Class: 40#

Recommended Valve Application: Water

UL Listed: Yes

Valve Operator: Lever Handle

Valve Size: 2 in

Valve Type: Relief Valve

Weight: 13.55

Width: 6-1/4 in