Control valves

Control valves

NC (Normally Closed)

8

10

9

NO (Normally Open)

8

10

9

2

2

5

3

11 and 12

3

11 and 12

6

5

1

4

1

6

4

BD (Bi-Directional normally closed)

8

10

9

2

5

3

4

Materials

No. Part

1

Body

2

Bonnet

3

Plug

4

Plug seal

5

Valve stem

6

Stem seals

Material

Bronze

Bronze

1⁄2" and 1"

Brass

EN 1982 CC491K

EN 1982 CC491K

EN 12165 CW617N

3⁄4", 11⁄4", 11⁄2" and 2"

Stainless steel

PTFE

Stainless steel

PTFE chevrons

Viton

Glass filled polyamide

Glass filled polyamide

Viton

PTFE

AISI 316L

AISI 316

* 7

9

Piston

Stem 'O' ring

8

Actuator housing

6

11 and 12

10 Piston lip seal

11 Gasket

1 * Note: Item 7 is not shown.

TI-P373-14 CH Issue 4

PF51G Bronze Piston Actuated On / Off Valves

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