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High-Capacity Rotary Valves

Product Flier

PF51.3:Vee-Ball

May 2009

Fisher 1051 and 1052 Diaphragm Actuators

The 1051 and 1052 pneumatic diaphragm rotary

actuators are spring-return actuators that provide

reliable operation for the valves in this flier.

The 1051 actuator is suitable for on-off operation or

for throttling operation when equipped with a valve

controller or positioner. The 1052 actuator is suitable

for on-off or throttling with or without a controller or

positioner.

These actuators feature single-joint linkage with

splined-and-clamped levers for minimum lost motion

and high control accuracy. The actuator-valve

linkage is completely enclosed for safety, yet the

packing adjustment is accessible without removing

any parts.

Specifications . . . Refer to the table below and the

actuator selection tables.

Options . . .

 Top-mounted handwheel,  1078

declutchable handwheel actuator,

 Adjustable up-

and down-travel stops,

 Actuator locking

mechanism that keeps the actuator in a locked

position during maintenance, and

 Pipe-away vent

for remote venting of the actuator housing.

W3813-1/IL

Figure 9. Fisher 1051 Actuator

Accessories . . .  Pneumatic and

electro-pneumatic valve positioners,

 FIELDVUE

digital valve controllers, and

 Limit and proximity

switches.

Table 5. Fisher 1051 Actuator Specifications

1051 1052 Bar Psig 1051 1052 1051 1052

AMBIENT

TEMPERATURES,

C

MATERIALS

33 33

0 to 1.2,0 to 2.3,

0 to 2.8, and

0 to 3.8

0 to 18, 0 to 33,

0 to 40, and

0 to 55

4.5 85 132

Nitrile: 40 to 82

Silicone: 50 to 149

Diaphragm: Nitrile

(standard) or silicone

O-rings (for optional

handwheel): Nitrile or

EPDM

Housing: Cast iron

(standard) or steel

Other Major Metal

Parts: Aluminum, steel,

or cast iron

40 40 5.2 322 371

60 60

0 to 1.2,

 0 to 2.3,

and 0 to 2.8

 0 to 11, 0 to 33,

and 0 to 40

3.4 626 730

- - - 70

 0 to 2.3,

 0 to 2.8,

and  0 to 3.8

 0 to 33,  0 to 40,

and  0 to 55

- - - 4.5 - - - 1370

W4742-1/IL

Figure 10. Fisher 1052 Actuator, Size 33

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 23 24

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Emerson V150 Guide de l'utilisateur Page 9

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