Features

• Good Shutoff for Low Downstream Buildup

• Resistance to Piping Stresses

• Ease of Installation

• Increased Sensitivity to Downstream Pressure Changes

• Ease of Pilot Maintenance

• Application Flexibility

Body Size and End Connection Styles

Cast Iron Body

• 1, 1-1/2, and 2-inch (DN 25, 40 and 50) body size NPT end connections

• 1, 1-1/2, 2, 2-1/2, 3 and 4-inch (DN 25, 40, 50, 65, 80 and 100) body size ANSI Class 125B FF and 250B RF flanged end connections

Steel Body

• 1, 1-1/2 and 2-inch (DN 25, 40, and 50) body size NPT end connections

• 1, 1-1/2, 2, 2-1/2, 3 and 4-inch (DN 25, 40, 50, 65, 80 and 100) body size ANSI Class 150 RF, 300 RF and 600 RF Flanged

Temperature Capabilities

Cast Iron Main Valve and Pilot: 406° F (208°C)Steel Main Valve and Pilot: 500°F (260°C)

Maximum Inlet Pressure

Cast Iron Main Valve and Pilot: 250 psig (17,2 bar) or body rating limit, whichever is lowerSteel Main Valve and Pilot: 300 psig (20,7 bar) or body rating limit, whichever is lower

Outlet Pressure Ranges

2 to 250 psig (0,14 to 17,2 bar) in several ranges for each pilot

Differential Pressures

Maximum: 150 psig (10,3 bar) or body rating, whichever is lowerMinimum: 20 psig (1,4 bar)

Pressure Registration

External through downstream control line

Approximate Shipping Weights

1-inch (DN 25) NPT or Flanged: 32 lbs / 15 kg1 1/2-inch (DN 40) NPT or Flanged: 44 lbs / 20 kg2-inch (DN 50 NPT: 55 lbs / 25 kg - 67 lbs / 30 kg 2-inch (DN 50) NPT: 55 lbs / 25 kg - 67 lbs / 30 kg 2 1/2-inch (DN 65) Flanged: 90 lbs / 41 kg3-inch (DN 80) Flanged: 115 lbs / 52 kg4-inch (DN100) Flanged: 165 lbs / 75 kg