Control valves

Control valves

PF51G-NC (Normally Closed)

PF51G-1NC flow over seat (1 to 2)

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Media pressure (bar)

PF51G-2NC flow over seat (1 to 2)

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PF51G-NO (Normally Open)

PF51G-1NO flow under seat (2 to 1)

Pilot / media pressure relationship

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Media pressure (bar)

PF51G-2NO flow under seat (2 to 1)

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1"

2"

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Media pressure (bar)

PF51G-3NC flow over seat (1 to 2)

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Media pressure (bar)

PF51G-3NO flow under seat (2 to 1)

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Media pressure (bar)

2"

11⁄2"

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2"

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Media pressure (bar)

PF51G-BD (Bi-Directional normally closed)

PF51G-1BD flow over seat (1 to 2)

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Media pressure (bar)

PF51G-2BD flow over seat (1 to 2)

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Media pressure (bar)

PF51G-3BD flow over seat (1 to 2)

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Media pressure (bar)

TI-P373-14 CH Issue 4

PF51G Bronze Piston Actuated On / Off Valves

Page 5 of 8

4.1.100

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