Model Number

• 850/851 Series (24)
• 850R/851R Series (24)

Outlet Connection

• 1-1/2" (24)
• 2" (24)

Outlet Connection Style

• FNPT (24)
• MNPT (24)

Pressure Relief Setting

• Custom (4)
• 150 PSI (4)
• 175 PSI (4)
• 200 PSI (4)
• 225 PSI (4)
• 250 PSI (4)
• 275 PSI (4)
• 300 PSI (4)
• 325 PSI (4)
• 350 PSI (4)
• 375 PSI (4)
• 400 PSI (4)

Brands

• Cyrus Shank (48)