Model Number

• 800 OP Series (80)
• 800 Series (85)
• 801 Series (80)
• 801DHC Series (64)
• 803 Series (67)
• 804 Series (64)
• 804R Series (64)
• 805 Series (64)
• 805R Series (64)
• 815 Series (64)
• CS5602A Series (64)
• CS5602B Series (64)
• CS5602C Series (64)
• Liquid Series (4)

Inlet Connection

• 1/2" (572)
• 3/4" (128)
• 1" (192)

Inlet Connection Style

• BW (130)
• FNPT (229)
• MNPT (243)
• SW (290)

Outlet Connection

• 3/4" (444)
• 1" (256)
• 1-1/4" (128)
• 1-1/2" (64)

Outlet Connection Style

• FNPT (488)
• SW (404)

Pressure Relief Setting

• Custom (56)
• 50 PSI (9)
• 75 PSI (56)
• 100 PSI (57)
• 125 PSI (55)
• 150 PSI (55)
• 175 PSI (55)
• 200 PSI (55)
• 225 PSI (55)
• 250 PSI (55)
• 275 PSI (55)
• 300 PSI (55)
• 325 PSI (55)
• 350 PSI (55)
• 375 PSI (55)
• 400 PSI (54)

Temperature Range

• (')-20°F to 275°F (439)
• (')-400°F to 400°F (394)
• -20°F to 275°F (29)
• -400°F to 400°F (26)

Valve Capacity

• 25.9 GPM (4)