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Product Flier

PF51.3:Vee-BallMay 2009

High-Capacity Rotary Valves - 14722 High-Capacity Rotary Valves

Fisher 1051 and 1052 Diaphragm Actuators

The 1051 and 1052 pneumatic diaphragm rotaryactuators are spring-return actuators that providereliable operation for the valves in this flier.The 1051 actuator is suitable for on-off operation orfor throttling operation when equipped with a valvecontroller or positioner. The 1052 actuator is suitablefor on-off or throttling with or without a controller orpositioner.These actuators feature single-joint linkage withsplined-and-clamped levers for minimum lost motionand high control accuracy. The actuator-valvelinkage is completely enclosed for safety, yet the packing adjustment is accessible without removingany parts. Specifications . . . Refer to the table below and theactuator selection tables.

W3813-1/IL

Figure 9. Fisher 1051 Actuator

Options . . . Top-mounted handwheel, 1078declutchable handwheel actuator, Adjustable up-and down-travel stops, Actuator lockingmechanism that keeps the actuator in a locked position during maintenance, and Accessories . . . Pneumatic andelectro-pneumatic valve positioners, FIELDVUE Pipe-away ventfor remote venting of the actuator housing. digital valve controllers, and Limit and proximityswitches.

Table 5. Fisher 1051 Actuator Specifications

AMBIENTTEMPERATURES, 1051 1052 Bar Psig 1051 1052 1051 1052 MATERIALS C 33 33 0 to 1.2, 0 to 2.3, 0 to 18, 0 to 33, 4.5 85 132 Diaphragm: Nitrile(standard) or silicone 0 to 2.8, and 0 to 40, and 40 40 0 to 3.8 0 to 55 5.2 322 371 O-rings (for optionalhandwheel): 0 to 1.2, Nitrile orEPDM 60 60 0 to 2.3, and 0 to 11, 0 to 33,and 3.4 626 730 Nitrile: −40 to 82 0 to 2.8 0 to 40 Silicone: −50 to 149 Housing: Cast iron(standard) or steel 0 to 2.3, 0 to 33, 0 to 40,and Other Major MetalParts: - - - 70 0 to 2.8, and 0 to 55 - - - 4.5 - - - 1370 Aluminum, steel,or cast iron 0 to 3.8
W4742-1/IL

Figure 10. Fisher 1052 Actuator, Size 33

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