Figure 41A-A & 42A-A Bronze Series Sizes: ½" x ¾" to 2 ½" x 2 ½" 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 Technical Data (PDF)

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

• Closed Bonnet Available for Hazardous Service
• Dual Ring Control, Rugged Cast Unitized Bonnet, Full Nozzle
• Stainless Steel Spring Supplied as Standard Providing Better 
  Corrosion Resistance and Yield Strength
• Soft Seat Design Available, Open Lever Assembly
• Superior Pop Action, Seat Tightness & Repeatability

• 41A-A – Plain Cap on 41A (D Orifice Only)
• 42A-A – Stainless Steel Base and Disc

Please view or download our Safety Relief Valve Electronic Catalog. 
(Catalog Requires Acrobat Reader)