Model Number

• 805 Series (48)
• 805R Series (48)
• 815 Series (48)
• 850/851 Series (26)
• 850R/851R Series (26)
• Liquid Series (3)

Inlet Connection Style

• FNPT (115)
• MNPT (84)

Outlet Connection

• 1-1/4" (99)
• 1-1/2" (100)

Pressure Relief Setting

• Custom (14)
• 75 PSI (10)
• 100 PSI (10)
• 125 PSI (9)
• 150 PSI (13)
• 175 PSI (13)
• 200 PSI (13)
• 225 PSI (13)
• 250 PSI (13)
• 275 PSI (13)
• 300 PSI (13)
• 325 PSI (13)
• 350 PSI (13)
• 375 PSI (13)
• 400 PSI (13)

Valve Finish

• Anodized Aluminum (26)
• Ductile Iron (77)
• Stainless Steel (96)

Temperature Range

• (')-20°F to 275°F (138)
• (')-400°F to 400°F (45)
• -20°F to 275°F (10)
• -400°F to 400°F (3)

Valve Capacity

• 36.5 GPM (3)