1. Product details


1.Indicator
Position indicator with NAMUR is convenient for monting accessories, such as Limit switch box, positioner and so on.

2. pinion
The pinion is high-precision and intefrative, made from stainless steel, full confirm to the latest standards of ISO5211, DIN3337. Namur. The dimensions can be customized.

3. Actuator body
316L, 316, 304, 303 stainless steel material actuators, electrolytic polishing.

4. End caps
316L, 316, 304, 303 stainless steel material actuators, electrolytic polishing.

5. Pistons
The twin rack pistons are made from 316L, 316, 304, 303 stainless steel material actuators, electrolytic polishing.

6. Travel adjustment
The two independent external stop adjustment bolts can adjust  ±5 degree at both open and close directions easily and precisely.

7. Technical datas of AT pneumatic actuators
8. Feartures:
a. Stainless steel actuator, external electropolishing, smooth and beautiful, strong corrosion resistance, suitable for engineering environment with high corrosion resistance requirements.
b. Double piston gear rack design, compact structure, symmetrical installation position, easy to change the output shaft steering, long service life, fast action. Piston rack back is equiped with composite bearings and guide rings, which have precise action, small friction coefficient and long service life.
c. High precision gear and rack, high ourput power. Adoption of international standard dimensions. The size of the top mounting hole meets the NAMUR standard. The size of air source interface conforms to NAMUR standards. Bottom mounting hole size conforms to ISO5211, DIN3337 standards, easy to install solenoid valves, limit switches and other accessories.

2. Application



3. Production process




4. Certificates 




Since 2011, we have got ISO9001, CE, SIL, EN ISO, BV, etc.

5. Company Profile
SEN Electromechanical Co., Ltd. is committed to the R&D of Pneumatic Actuators and Valves. Main products: Scotch Yoke pneumatic actuators, AT/GT pneumatic actuators and valves(Ball valves, Butterfly valves, Gate valves, etc.), Electro-hydraulic linkage actuators and valves, etc.
"Technology Innovation" as the foundation, "Cooperation and win-win" as the business philosophy. Sincerely service wins the customers' ttust. The customers' requirements make us step forward, keep innovation. Extensive communication make us create new achievements. Scientific management has enhanced our professional services. Advance management promotes stable, sustainable and vigorous development of SEN Electromechanical Co., Ltd.
Focus, Professional! Professional, Excellent! SEN will always take "Create value for customer" as the goal.
Looking forward to work together in future.


6. RFQ
1. Are you factory or trading company?
Q: We are manufacturer with trading license. Can export by ourself. Our factory has certificated by BV, the certificate and report can be download on our MIC shop, or we can sent you by email.

2. What's your MOQ?
Q: One pcs is acceptable.

3. How long will the goods be dispatched?
Q: Normally, the lead time is 40 days, but for urgent order, can negotiate with us, we will try to make the business come ture.

4. Can visit your factory?
Q: Sure. Our factory is located in Wuxi city, it is about 2 hours driving to Pudong airport, 2-3 hours from Guangzhou or Beijing by plane. Wuxi has its own high speed station and airport. So it is very convenient to visit our factory.


 7. Contact us

Contact us for more details.