Figure 31 Cast Iron Series Sizes: 1½" x 2 ½" to 6" x 8" Pressures: 5 to 250 PSIG Temperatures: -20°F to 406°F Meets ASME Section I & VIII Code for  Steam, Air & Non-Hazardous Gas Service "UV" National Board Certified

• Steam Boilers
• Pressure Reducing Stations
• Unfired Steam pressure Vessels & Lines
• Air Compressors, Cookers, Receivers
• Pneumatic Systems
• OEM Equipment

• Dual Blowdown Ring Control For Better Adjustment Of Pop 
  And Blowdown
• Heavy Duty Construction
• Flanged or Threaded Construction
• Stainless Steel Trim Design Available
• Heavy Duty Open Lever Assembly
• Top Guided with A Semi Nozzle for Optimum flow Performance

    Models: 31, 41, 41A, 32, 42 42A

• 0031 – ASME Section 1 Steam, Bronze Trim
• 0041 – ASME Section VIII Steam, Bronze Trim
• 041A – ASME Section VIII Air, Bronze Trim
• 32, 42 & 42A – Stainless Steel Base and Disc