Model Number

• 843 Series (12)
• 844 Series (12)
• 845 Series (12)
• 950M Series (4)

Port Sizes

• 1/2" x 1/2" x 1/2" (12)
• 3/4" x 3/4" x 3/4" (12)
• 1" x 1" x 1" (12)
• 2-1/2" x 2" x 2" (4)

Connection Style

• BW/FNPT with Schedule 160 Seamless Pipe (2)
• FNPT (38)

Valve Finish

• Carbon Steel - Black Oxide Coating (4)
• Ductile Iron (36)

Pressure Relief Setting

• Custom (5)
• 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)
• 6000 PSI (1)
• 3000(Inlet)/6000(Outlet) PSI (1)

Cv Value

• 104.6 (4)
• 11.5 (12)
• 3.6 (12)
• 6.8 (12)

Temperature Range

• ≤ 500°F (4)
• (')-20°F to 300°F (36)

Options

• Connection with Schedule 160 Seamless Pipe (2)

Dimension - Inlet Centerline to Top of Wheel (or Seal Cap) when Open

• 6 (12)
• 7.75 (12)
• 8 (12)

Dimension - Face to Face on Outlet Ports

• 3.5 (12)
• 4 (12)
• 5 (12)

Dimension - Inlet Centerline to Bottom

• 1.5 (12)
• 1.75 (12)
• 1.875 (12)

Dimension - Stem Centerline to Inlet Face

• 1.75 (12)
• 2 (12)
• 2.25 (12)

Brands

• Cyrus Shank (40)