• Good Shutoff for Low Downstream Buildup
• Resistance to Piping Stresses
• Ease of Installation

Body Sizes 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 CL125 FF or CL250 RF flanged end connections

Steel Body and Stainless Steel

• 1, 1-1/2 and 2-inch (DN 25, 40 and 50) body size NPT or PN 16/25/40 end connections
• 1, 1-1/2, 2, 2-1/2, 3, and 4-inch (DN 25, 40, 50, 65, 80, and 100) body size CL150 RF, CL300 RF, CL600 RF flanged or PN 16/25/40 end connections
• 6 x 4 (DN 150 x 100)⁽²body size CL300 RF, CL600 RF flanged or PN 16/25/40/64/100 end connections

⁽²⁾The two-number designation indicates line size by trim size.

Pressure Registration

External through downstream control line

Maximum Inlet Pressure

300 psig (20,7 bar) or main valve body rating limit, whichever is lower

Maximum Outlet (Casing) Pressure

300 psig (21 bar)

Outlet Pressure Ranges

2 to 250 psig (0,14 to 17,2 bar) in several spring ranges

Maximum Temperature Capabilities

Cast Iron Main Valve and Pilot: 406°F (208°C)
Steel Main Valve and Pilot: 500°F (260°C)
High Temperature Optional Steel and Stainless Steel Main Valve and Pilot: 650°F (343°C)

Approximate Weights

1-inch Threaded or Flanged:  32 lbs / 15 kg
1 1/2-inch Threaded or Flanged:  44 lbs / 20 kg

2-Inch
Threaded: 55 lbs / 25 kg
Flanged: 67 lbs / 30 kg

2-1/2 Flanged:  90 lbs / 41 kg
3-Inch Flanged: 115 lbs / 52 kg
4-Inch Flanged: 165 lbs / 75 kg

6 x 4⁽²⁾ Flanged Class 300:  335 lbs / 162 kg
6 x 4⁽²⁾ Flanged Class 600:  435 lbs / 197 kg

⁽²⁾The two-number designation indicates end connection size by trim size.