Single/Dual

• Single (137)
• Dual Assembly With Unions (132)
• Dual Assembly Without Unions (132)

Model Number

• 800 OP Series (47)
• 800 Series (51)
• 801 Series (48)
• 801DHC Series (48)
• 803 Series (152)
• CS5602A Series (48)
• Liquid Series (7)

Pressure Relief Setting

• Custom (26)
• 50 PSI (12)
• 75 PSI (26)
• 100 PSI (27)
• 125 PSI (24)
• 150 PSI (24)
• 175 PSI (24)
• 200 PSI (24)
• 225 PSI (24)
• 250 PSI (24)
• 275 PSI (24)
• 300 PSI (24)
• 325 PSI (24)
• 350 PSI (24)
• 375 PSI (24)
• 400 PSI (23)

Valve Finish

• Ductile Iron (296)
• Stainless Steel (105)

Temperature Range

• (')-20°F to 275°F (323)
• (')-400°F to 400°F (48)
• -20°F to 275°F (20)
• -400°F to 400°F (3)

Valve Capacity

• 20.7 GPM (2)
• 25.9 GPM (5)

Brands

• Cyrus Shank (401)