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Valves & Actuation

Pneumatic Actuators

Asahi/America’s Series 79 pneumatic actuators for quarter turn ball and butterfly valves provide accurate and dependable control, especially in corrosive applications.

The units are compact, yet extremely durable and available in output torques from 59 to 40,710 in-lbs based on an 80psi air supply.

Three standard actuator materials are offered: glass-reinforced polyamide, cataphoresis & Rilsan-coated cast aluminum alloy, and 316 stainless steel - all of which incorporate ISO and NAMUR mounting configurations for simple installation of valves and accessories. These material choices provide excellent protection from adverse environments and corrosive process materials.

Two versions of this actuator are offered: single acting (air-to-spring or failsafe) and double acting (air-to-air). Both versions use a double piston, double rack and pinion design.

Series 79P/PA

s79p-aluminum-website

Applications:

Chemical Processing, Bleach Plants, Aquariums, Mining, Water Treatment, Landfills, Swimming Pools, Power Plants

Torque:

59 to 40,710 in-lbs

Body Materials:

Aluminum, glass-filled polyamide, and 316 stainless steel

Models:

Air-to-air
Air-to-spring (fail closed)
Air-to-spring (fail open)

Body Type:

Double piston, double rack and pinion

Series 79 PAG

series-79-pag

Applications:

Chemical Processing, Bleach Plants, Aquariums, Mining, Water Treatment, Landfills, Swimming Pools, Power Plants

Torque:

58 to 1,335 in-lbs

Materials:

Glass-reinforced polyamide housing, stainless steel shaft and hardware

Models:

Air-to-air
Air-to-spring (fail closed)
Air-to-spring (fail open)

Series 79 Stainless Steel

s79p-ss-website

Applications:

Chemical Processing, Bleach Plants, Aquariums, Mining, Water Treatment, Landfills, Swimming Pools, Power Plants

Torque:

100 to 3795 in-lbs

Materials:

316 stainless steel housing and stainless steel hardware

Models:

Air-to-air
Air-to-spring (fail closed)
Air-to-spring (fail open)
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