Single/Dual

• Single (653)
• Dual Assembly With Unions (341)
• Dual Assembly Without Unions (341)

Model Number

• 800 OP Series (240)
• 800 Series (255)
• 801 Series (240)
• 801DHC Series (96)
• 805R Series (96)
• 850/851 Series (156)
• 850R/851R Series (156)
• CS5602A Series (96)

Inlet Connection

• 1/2" (927)
• 3/4" (104)
• 1" (200)
• 1-1/4" (104)

Outlet Connection

• 3/4" (927)
• 1-1/4" (96)
• 1-1/2" (156)
• 2" (156)

Outlet Connection Style

• FNPT (1179)
• MNPT (156)

Pressure Relief Setting

• Custom (87)
• 50 PSI (15)
• 75 PSI (63)
• 100 PSI (63)
• 125 PSI (63)
• 150 PSI (87)
• 175 PSI (87)
• 200 PSI (87)
• 225 PSI (87)
• 250 PSI (87)
• 275 PSI (87)
• 300 PSI (87)
• 325 PSI (87)
• 350 PSI (87)
• 375 PSI (87)
• 400 PSI (87)

Valve Finish

• Anodized Aluminum (156)
• Black Oxide Coated (147)
• Carbon Steel (147)
• Ductile Iron (156)
• Stainless Steel (729)

Temperature Range

• (')-20°F to 275°F (975)
• (')-400°F to 400°F (273)
• -20°F to 275°F (69)
• -400°F to 400°F (18)

Brands

• Cyrus Shank (1334)
• Parker Refrigeration Specialties (1)