Single/Dual

• Single (199)
• Dual Assembly With Unions (144)
• Dual Assembly Without Unions (144)

Model Number

• 805 Series (144)
• 805R Series (144)
• 815 Series (144)
• 850/851 Series (26)
• 850R/851R Series (26)
• Liquid Series (3)

Inlet Connection Style

• FNPT (339)
• MNPT (148)

Outlet Connection

• 1-1/4" (291)
• 1-1/2" (196)

Pressure Relief Setting

• Custom (32)
• 75 PSI (28)
• 100 PSI (28)
• 125 PSI (27)
• 150 PSI (31)
• 175 PSI (31)
• 200 PSI (31)
• 225 PSI (31)
• 250 PSI (31)
• 275 PSI (31)
• 300 PSI (31)
• 325 PSI (31)
• 350 PSI (31)
• 375 PSI (31)
• 400 PSI (31)

Valve Finish

• Anodized Aluminum (26)
• Ductile Iron (173)
• Stainless Steel (288)

Temperature Range

• (')-20°F to 275°F (318)
• (')-400°F to 400°F (135)
• -20°F to 275°F (22)
• -400°F to 400°F (9)

Valve Capacity

• 36.5 GPM (3)

Brands

• Cyrus Shank (487)