Model Number

• 800 OP Series (16)
• 800 Series (17)
• 801 Series (16)

Inlet Connection

• 1/2" (49)

Outlet Connection Style

• FNPT (49)

Pressure Relief Setting

• Custom (3)
• 50 PSI (1)
• 75 PSI (3)
• 100 PSI (3)
• 125 PSI (3)
• 150 PSI (3)
• 175 PSI (3)
• 200 PSI (3)
• 225 PSI (3)
• 250 PSI (3)
• 275 PSI (3)
• 300 PSI (3)
• 325 PSI (3)
• 350 PSI (3)
• 375 PSI (3)
• 400 PSI (3)

Temperature Range

• (')-20°F to 275°F (46)
• -20°F to 275°F (3)

Brands

• Cyrus Shank (49)