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keystone actuators- A&S Actuator.,Ltd

keystone actuators

 keystone actuators

Keystone is a recognized world leader in producing keystone actuators,butterfly valves ,keystone Electric actuator,Keystone Pneumatic Actuators,etc..Keystone developed a strong reputation for reliability, quality and service.These products provide the customer the same solid performance and low cost of ownership as our market leading butterfly valve range.

We provide Air Actuated Butterfly Valves,keystone actuators,electric actuators,pneumatic actuators in many models using in many areas. Welcome to contact us for more information.

keystone Electric actuator

keystone Electric actuator


Welcome to our website to look for keystone Electric actuators.Please view the keystone
Keystone Pneumatic Actuator

Keystone Pneumatic Actuator


A&S Machinery Co,ltd supplies A comprehensive range of pneumatic actuators, providing
Keystone Air Actuated Butterfly Valve DUA906-60KSR

Keystone Air Actuated Butterfly Valve DUA906-60KSR


Keystone Air Actuated Butterfly Valve DUA906-60KSR features:Butterfly Valve with Air Actuator, Spring Return, 6".Keystone Series 221 Butterfly Valves with Keystone Air Actuators. Double acting style (air to open and close). Valves include cast iron bodies, EPDM seats, 316SS stainless discs and 416 s
Keystone Air Actuated Butterfly Valve DUA906-40KSR

Keystone Air Actuated Butterfly Valve DUA906-40KSR


Keystone Air Actuated Butterfly Valve DUA906-40KSR features:Butterfly Valve with Air Actuator, Spring Return, 4".Keystone Series 221 Butterfly Valves with Keystone Air Actuators. Spring return style (air to open, spring closes when air is exhausted). Valves include cast iron bodies, EPDM seats, 316S
Keystone Air Actuated Butterfly Valve DUA906-30KSR

Keystone Air Actuated Butterfly Valve DUA906-30KSR


Keystone Air Actuated Butterfly Valve DUA906-30KSR features:Butterfly Valve with Air Actuator, Spring Return, 3".Keystone Series 221 Butterfly Valves with Keystone Air Actuators. Spring return style (air to open, spring closes when air is exhausted). Valves include cast iron bodies, EPDM seats, 316S
Keystone Air Actuated Butterfly Valve DUA906-20KSR

Keystone Air Actuated Butterfly Valve DUA906-20KSR


Keystone Air Actuated Butterfly Valve DUA906-20KSR features:Butterfly Valve with Air Actuator, Spring Return, 2".Keystone Series 221 Butterfly Valves with Keystone Air Actuators. Spring return style (air to open, spring closes when air is exhausted). Valves include cast iron bodies, EPDM seats, 316S
Keystone Air Actuated Butterfly Valve DUA906-60M

Keystone Air Actuated Butterfly Valve DUA906-60M


Keystone Air Actuated Butterfly Valve DUA906-60M features:Butterfly Valve with Matryx Air Actuator, Double Acting, 6".Keystone Series 221 Butterfly Valves with MATRYX Air Actuators. Double acting style (air to open and close). Valves include cast iron bodies, EPDM seats, 316SS stainless discs and 41
Keystone Air Actuated Butterfly Valve DUA906-40M

Keystone Air Actuated Butterfly Valve DUA906-40M


Keystone Air Actuated Butterfly Valve DUA906-40M features:Butterfly Valve with Matryx Air Actuator, Double Acting, 4".Keystone Series 221 Butterfly Valves with MATRYX Air Actuators. Double acting style (air to open and close). Valves include cast iron bodies, EPDM seats, 316SS stainless discs and 41
Keystone Air Actuated Butterfly Valve DUA906-30M

Keystone Air Actuated Butterfly Valve DUA906-30M


Keystone Air Actuated Butterfly Valve DUA906-30M features:Butterfly Valve with Matryx Air Actuator, Double Acting, 3".Keystone Series 221 Butterfly Valves with MATRYX Air Actuators. Double acting style (air to open and close). Valves include cast iron bodies, EPDM seats, 316SS stainless discs and 41
Keystone Air Actuated Butterfly Valve DUA906-25M

Keystone Air Actuated Butterfly Valve DUA906-25M


Keystone Air Actuated Butterfly Valve DUA906-25M features:Butterfly Valve with Matryx Air Actuator, Double Acting, 2-1/2".Keystone Series 221 Butterfly Valves with MATRYX Air Actuators. Double acting style (air to open and close). Valves include cast iron bodies, EPDM seats, 316SS stainless discs an
Keystone Air Actuated Butterfly Valve DUA906-20M

Keystone Air Actuated Butterfly Valve DUA906-20M


Keystone Air Actuated Butterfly Valve DUA906-20M features:Butterfly Valve with MATRYX Air Actuator, Double Acting, 2".Keystone Series 221 Butterfly Valves with MATRYX Air Actuators. Double acting style (air to open and close). Valves include cast iron bodies, EPDM seats, 316SS stainless discs and 41
Keystone Air Actuated Butterfly Valve DUA906-60K

Keystone Air Actuated Butterfly Valve DUA906-60K


Keystone Air Actuated Butterfly Valve DUA906-60K also can be called Butterfly Valve with Air Actuator, Double Acting, 6".Keystone Series 221 Butterfly Valves with Keystone Air Actuators. Double acting style (air to open and close). Valves include cast iron bodies, EPDM seats, 316SS stainless discs a

Contact Us

  • A&S Actuator Co., Ltd.
  • 469 Xinsheng Road, Gaoxin District, Chengdu, Sichuan, China
  • Tel: +86-28-67638639
  • Fax: +86-28-86129221
  • Email: actuator@attachment8.com
  • Contact Person: Leo Zhang

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About Us

A&S Actuator Co., Ltd. is specialized in supplying a wide range of actuators, butterfly valves and cylinders.

Actuators Types:
electric actuators, pneumatic actuators, hydraulic actuators, rotary actuators, linear actuators, magnetic linear actuator, solar actuator, valve actuators, high speed actuators, low pressure actuators, heavy duty linear actuators, piston actuators.


Actuators Brands:
Ouma, Rotork, Honeywell, Kinetrol, Keystone, Parker, SMC, Air Torque, ARI, Azbil, Yamatake, Mitsubishi, OTK, OMAL, etc.

Butterfly Valves:
Danfoss, SMC, OMAL, Siemens, Yamatke, KITZ, etc.

Pneumatic Cylinders / Air Cylinders:
Bosch Rexroth, Parker, DELIXI, SMC, Festo, CKD, Camozzi, Koganei, AirTac, TPM, JMC, TPC, NORGERN, CHELIC, SNS, etc.

Our products have been exported to many regions, such as Europe, America, South Africa, South Asia and the Middle East countries, etc. We have earned a reputation for high-quality products and personalized customer service.

We would like any cooperation. Welcome to contact us for further information.

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