Single/Dual

• Single (208)

Model Number

• 850/851 Series (78)
• 850R/851R Series (78)
• 901/903 Series (52)

Inlet Connection

• 3/4" (52)
• 1" (52)
• 1-1/4" (78)
• 1-1/2" (26)

Inlet Connection Style

• FNPT (52)
• MNPT (156)

Outlet Connection

• 2" (156)
• 3" (52)

Pressure Relief Setting

• Custom (16)
• 150 PSI (16)
• 175 PSI (16)
• 200 PSI (16)
• 225 PSI (16)
• 250 PSI (16)
• 275 PSI (16)
• 300 PSI (16)
• 325 PSI (16)
• 350 PSI (16)
• 375 PSI (16)
• 400 PSI (16)

Valve Finish

• Anodized Aluminum (78)
• Ductile Iron (130)

Temperature Range

• (')-20°F to 275°F (192)
• -20°F to 275°F (16)

Brands

• Cyrus Shank (208)