Features

• Lapped Seats for Tight Shutoff

• Ease of Installation

• Noise Reduction Option for High Differentials

• Good for HIgh Cycle Operations

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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 or CL300 RF flanged or PN 16/25/40 end connections

• 6 x 4(1) (DN 150 x 100) body size CL300 RF flanged or PN 16/25/40 end connections

(1)This is a 4-inch (DN 100) valve with 6-inch (DN 150) end connections.

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Pressure Registration

External

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Maximum Inlet Pressure

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

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Maximum Outlet (Casing) Pressure

300 psig (20,7 bar)

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Outlet Pressure Ranges

2 to 250 psig (138 mbar to 17,2 bar) in several spring ranges

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Maximum Temperature Capabilities

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

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Approximate Weights

1-inch Threaded or Flanged:  32 lbs / 15 kg1 1/2-inch Threaded or Flanged:  44 lbs / 20 kg

2-InchThreaded: 55 lbs / 25 kgFlanged: 67 lbs / 30 kg

2-1/2 Flanged:  90 lbs / 41 kg3-Inch Flanged: 115 lbs / 52 kg4-Inch Flanged: 165 lbs / 75 kg

6 x 4(2) Flanged Class 300:  335 lbs / 162 kg6 x 4(2) Flanged Class 600:  435 lbs / 197 kg

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