Features & Benefits

• Series 174A Boiler Pressure Relief Valves are Used in Hot Water Heating and Domestic Supply Boiler Applications to Protect Against Excessive Pressures on All Types of Hot Water Heating Supply Boiler Equipment
• Seat is Located Above Drain to Prevent Water from Being Trapped and Sediment from Fouling the Seat
• Non-Mechanical Seat to Disc Alignment will Not Stick or Freeze
• It is Designed for Emergency Safety Relief

Specifications

• Type: Pressure
• Inlet Size: 3/4 Inch
• Outlet Size: 3/4 Inch
• End Connection: Female Threaded x Female Threaded
• End to End Distance: 2-1/2 Inch
• Body Material: Bronze
• Spring Material: Stainless Steel
• Set Pressure Range: 30 PSI
• Temperature Rating: 250 Deg F
• Pressure Rating: 30 to 150 PSI
• Inclusions/Features: Non-Metallic Disc to Metal Seating
• Application: Hot Water Heating and Domestic Supply Boiler
• Applicable Standard: ASME, MIL-V-18634B, NB, HV
• Steam Discharge Capacity 650000 BTU/Hour