Model Number

• 805R Series (15)
• 850/851 Series (48)
• 850R/851R Series (48)

Outlet Connection

• 1-1/4" (15)
• 1-1/2" (48)
• 2" (48)

Outlet Connection Style

• FNPT (63)
• MNPT (48)

Pressure Relief Setting

• Custom (9)
• 75 PSI (1)
• 100 PSI (1)
• 125 PSI (1)
• 150 PSI (9)
• 175 PSI (9)
• 200 PSI (9)
• 225 PSI (9)
• 250 PSI (9)
• 275 PSI (9)
• 300 PSI (9)
• 325 PSI (9)
• 350 PSI (9)
• 375 PSI (9)
• 400 PSI (9)

Valve Finish

• Anodized Aluminum (48)
• Ductile Iron (48)
• Stainless Steel (15)

Brands

• Cyrus Shank (111)