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1079 Manual Actuator

D500209X012

Product Bulletin

22.2:1079

January 2013

Specifications

Available Configurations

Direct acting; see Handwheel Rotation

Manual Actuator Sizes

See tables 1, 2, and 3

PowerActuatorCompatibility

Compatible with all sizes of Hytork actuator; see

tables 1, 2, and 3

Maximum Torque Output

See tables 1, 2, and 3

Wheel-Rim Force

See tables 1, 2, and 3

Handwheel Rotation

Clockwise handwheel rotation closes valve (produces

clockwise valve shaft rotation, as viewed from the

actuator end of the shaft)

Construction Materials

Housing and Cover: Cast iron

Drive Sleeve/Gear (Sector): Low-carbon steel/bronze

Worm Gear: Heat-treated steel

Input Shaft and Eccentric: Low-carbon steel

Pin Detent: 300 Series stainless steel

Shaft Bearings: Bronze

Standard Mounting Positions (see figure 1)

J Standard mounting is with the input shaft

perpendicular to the Hytork piston travel, with the

handwheel opposite the actuator supply connections;

J Optional mounting is with the handwheel on the

same side as the Hytork actuator supply connections

Approximate Weight without Handwheel

Size AAA: 7.3 kg (16 lb)

Size AA: 10 kg (22 lb)

Size A: 14 kg (31 lb)

Size B: 16 kg (35 lb)

Size C: 24 kg (52 lb)

Size D: 33 kg (72 lb)

Handwheel Weight

6-inch: 1.0 kg (2.25 lb)

8-inch: 2.0 kg (4.50 lb)

12-inch: 4.0 kg (8.75 lb)

24-inch: 5.4 kg (12.00 lb)

30-inch: 6.7 kg (14.75 lb)

36-inch: 7.8 kg (17.25 lb)

Figure 1. Fisher 1079 Actuator Mounting Positions

A6186

STANDARD

MOUNTING

POSITION

SEAL RETAINER

SIDE OF VALVE

HYTORK ACTUATOR

SUPPLY CONNECTIONS

OPTIONAL MOUNTING

POSITION

1 2 3 4 5 6 7 8

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