Model Number

• 805R Series (32)
• 850/851 Series (52)
• 850R/851R Series (52)

Outlet Connection

• 1-1/4" (32)
• 1-1/2" (52)
• 2" (52)

Outlet Connection Style

• FNPT (84)
• MNPT (52)

Pressure Relief Setting

• Custom (10)
• 75 PSI (2)
• 100 PSI (2)
• 125 PSI (2)
• 150 PSI (10)
• 175 PSI (10)
• 200 PSI (10)
• 225 PSI (10)
• 250 PSI (10)
• 275 PSI (10)
• 300 PSI (10)
• 325 PSI (10)
• 350 PSI (10)
• 375 PSI (10)
• 400 PSI (10)

Valve Finish

• Anodized Aluminum (52)
• Ductile Iron (52)
• Stainless Steel (32)

Temperature Range

• (')-20°F to 275°F (111)
• (')-400°F to 400°F (15)
• -20°F to 275°F (9)
• -400°F to 400°F (1)

Brands

• Cyrus Shank (136)