Pneumatic Actuator has quarter-turn rack and pinion design.
July 21, 2009 -
Series 79P is available in double-acting (air to air) and single-acting (air to spring) models with output torques from 138-40,818 and 59-15,660 oz-in., respectively. It is offered in 3 materials: PAG (glass filled polyamide) body, 316 stainless steel body, and cast aluminum body with corrosion resistant cataphoresis treatment and double Rilsan epoxy coating, inside and out. Suited for harsh applications, unit can be factory or field mounted on any ball or butterfly valve.
Asahi Pneumatic Actuators Provide Long-Lasting Performance in Even the Harshest Applications
Asahi/America Inc., the leader in thermoplastic valve technology, offers a complete line of corrosion resistant quarter-turn pneumatic actuators. Engineered to operate on ball and butterfly valves in most harsh applications, Asahi/America's pneumatic actuators provide durable, long-lasting performance.
The Asahi/America Series 79P pneumatic actuator is a 90 degree (quarter-turn) rack and pinion design available in both double-acting (air-to-air) and single-acting (air-to-spring) models. When the actuator is energized, dual opposing pistons with graphite nitrile rolling O-rings and self-lubricating guide bands drive a single pinion gear connected to the final output drive shaft. This design provides for fewer moving parts and provides for a durable long-performing actuator. Air-to-spring models can be configured for spring clockwise (fail closed) or spring counterclockwise (fail open) rotation, simply by reversing the internal pistons and rotating the pinion gear and output shaft. This allows for true fail open position indication and visual confirmation via the external position indicator and machined shaft flats on the top of the output shaft.
Series 79P actuators are available in three materials: PAG (glass-filled polyamide) body; 316 stainless steel body; and cast aluminum body with a durable and highly corrosion resistant cataphoresis treatment and double Rilsan epoxy coating, inside and out. Series 79P actuators feature one-piece stainless steel shafts with female output star pattern outdrives, ISO F-series standardized valve mounting bolt patterns, and Namur standard solenoid and limit switch interface mounting details. Output torques range from 138 inch-lbs to 40,818 inch-lbs (based on 80 psi supply air) for air-to-air models and 59 inch-lbs to 15,660 inch-lbs (80 psi supply air required) for air-to-spring models.
Series 79 pneumatic actuators can be factory or field mounted on any Asahi/America ball valve or butterfly valve, as well as most other manufacturers' ball or butterfly valves.
About Asahi
Asahi/America, Inc. specializes in providing solutions for fluid handling systems, individualized to meet virtually any customer's need. Asahi is a leading manufacturer of corrosion resistant thermoplastic fluid handling products, including valves, actuators, pipe and fittings. The company maintains an extensive custom fabrication department, and provides on-site consultation, supervision and training where required.
Marketing:
Jeff Baker Marketing Manager
USA
Phone: 781-388-4531 E-mail this person Company Information: Name: Asahi/America Address: 35 Green St., P.O. Box 653 City: Malden State: MA ZIP: 02148 Country: USA Phone: 800-343-3618 FAX: 800-426-7058 http://www.asahi-america.com
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