This 3/4 x 3/4 in dependable, low cost, high capacity safety relief valve is designed for low pressure, steam heating boilers and process equipment used in industrial and commercial applications. It features a brass body, stainless steel spring, top guided stem, NPT threaded male inlet by threaded female outlet (drain) connection and a non-stick Teflon® disc-to-metal seat to assure positive shut-off. The factory pressure setting for saturated steam service is set at 15 PSI. This valve has an ASME, section IV rating.

Steam Safety Relief Valve, Series/Model: Series 415-M1, Nominal Size: 3/4 IN, Connection Type: MNPT X Threaded Female (Drain), Pressure Rating: 15 PSI, Forged Brass Body Material, Seat Material: Metal, Industry Standards: ASME Section IV, ISO 9001-2000 Certified, 2-13/16 IN Height, Lead Free: No, Additional Specifications: Discharge Capacity: 450 LB/HR

• ASME, section IV rating
• Seat located above drain
• Brass body
• Male NPT screwed inlet and female NPT screwed outlet
• Used for industrial and commercial low pressure applications
• Stainless steel spring
• Top guided stem and non-stick Teflon® disc to metal seat assures positive shut-off
• High capacity
• Pressure for saturated steam service set at 15 PSI

• Catalog https://macombstage.cimm2.com//ASSETS/DOCUMENTS/ITEMS/EN/Watts_0346045_Catalog.pdf
• Instruction/Installation Manual https://macombstage.cimm2.com//ASSETS/DOCUMENTS/ITEMS/EN/Watts_0346045_Instruction_Installation_Manual.pdf
• Specification Sheet https://macombstage.cimm2.com//ASSETS/DOCUMENTS/ITEMS/EN/Watts_0346045_Specification_Sheet.pdf
• Warranty Information https://macombstage.cimm2.com//ASSETS/DOCUMENTS/ITEMS/EN/Watts_0009108_Warranty_Information.pdf