Single/Dual

• Single (26)

Model Number

• 850/851 Series (13)
• 850R/851R Series (13)

Pressure Relief Setting

• Custom (2)
• 150 PSI (2)
• 175 PSI (2)
• 200 PSI (2)
• 225 PSI (2)
• 250 PSI (2)
• 275 PSI (2)
• 300 PSI (2)
• 325 PSI (2)
• 350 PSI (2)
• 375 PSI (2)
• 400 PSI (2)

Temperature Range

• (')-20°F to 275°F (24)
• -20°F to 275°F (2)

Brands

• Cyrus Shank (26)