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Figure 31 Cast Iron Series Relief Valve

Brand: Spence Engineering

The valve shall meet the ASTM Section VII Code for steam, air and gas services. It shall be "UV" National Board Certified. 

The valve shall have dual blowdown ring to allow better adjustment of the pop and blowdown. The valve shall be top guided and shall have a semi nozzle for optimum flow performance. 

The valve shall have an open lever assembly.
Features
  • Meets ASME Section I & VIII Code for steam, air & non-hazardous gas service
  • "UV" National Board Certified
  • Dual ring control
  • Heavy duty construction
  • Flanges or threaded connections
  • SS trim design available
  • Heavy duty open lever assembly

1 - 12 of 1,152 Part Numbers
0031JGB
0031JGB
  • Model - ASME Section I Steam, Bronze Trim
  • Orifice - J
  • Inlet Size - 1-1/2"
  • Connection - FPT X FPT
  • Set Pressure - Standard
0031JGB-LAS
0031JGB-LAS
  • Model - ASME Section I Steam, Bronze Trim
  • Orifice - J
  • Inlet Size - 1-1/2"
  • Connection - FPT X FPT
  • Set Pressure - Loosely Assembled*
0031JGC
0031JGC
  • Model - ASME Section I Steam, Bronze Trim
  • Orifice - J
  • Inlet Size - 1-1/2"
  • Connection - 250# x 125#
  • Set Pressure - Standard
0031JGC-LAS
0031JGC-LAS
  • Model - ASME Section I Steam, Bronze Trim
  • Orifice - J
  • Inlet Size - 1-1/2"
  • Connection - 250# x 125#
  • Set Pressure - Loosely Assembled*
0031JGD
0031JGD
  • Model - ASME Section I Steam, Bronze Trim
  • Orifice - J
  • Inlet Size - 1-1/2"
  • Connection - 250# x FPT
  • Set Pressure - Standard
0031JGD-LAS
0031JGD-LAS
  • Model - ASME Section I Steam, Bronze Trim
  • Orifice - J
  • Inlet Size - 1-1/2"
  • Connection - 250# x FPT
  • Set Pressure - Loosely Assembled*
0031JHB
0031JHB
  • Model - ASME Section I Steam, Bronze Trim
  • Orifice - J
  • Inlet Size - 2"
  • Connection - FPT X FPT
  • Set Pressure - Standard
0031JHB-LAS
0031JHB-LAS
  • Model - ASME Section I Steam, Bronze Trim
  • Orifice - J
  • Inlet Size - 2"
  • Connection - FPT X FPT
  • Set Pressure - Loosely Assembled*
0031JHC
0031JHC
  • Model - ASME Section I Steam, Bronze Trim
  • Orifice - J
  • Inlet Size - 2"
  • Connection - 250# x 125#
  • Set Pressure - Standard
0031JHC-LAS
0031JHC-LAS
  • Model - ASME Section I Steam, Bronze Trim
  • Orifice - J
  • Inlet Size - 2"
  • Connection - 250# x 125#
  • Set Pressure - Loosely Assembled*
0031JHD
0031JHD
  • Model - ASME Section I Steam, Bronze Trim
  • Orifice - J
  • Inlet Size - 2"
  • Connection - 250# x FPT
  • Set Pressure - Standard
0031JHD-LAS
0031JHD-LAS
  • Model - ASME Section I Steam, Bronze Trim
  • Orifice - J
  • Inlet Size - 2"
  • Connection - 250# x FPT
  • Set Pressure - Loosely Assembled*
1 - 12 of 1,152 Part Numbers

Specifications

Pressure Range

  • 5 to 250 psig (0.3 to 17.2 bar)

Temperature Range

  • -20° to 406° F (-29° to 208° C)

Size

  • 1-1/2” to 6”

Body Material

  • Cast Iron ASTM A126-B

Trim Material

  • Bronze
  • Stainless Steel

Base & Disc Material

  • Stainless Steel

  • Steam Boilers
  • Pressure reducing stations
  • Unfired steam pressure vessels & lines
  • Air compressors, cookers, receivers
  • Pneumatic systems
  • OEM equipment

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