DIN3337 Pneumatic Single Acting Spring Return Actuator

Single Acting Valve pneumatic Actuator, Spring return Penumatic Actuator

► Features

1. Dual piston rack and pinion design of symmetric structure for fast and smooth action, high precision and high output power. Reverse rotation can be accomplished by simply changing the mounting position of the pistons.

2. Extruded high-quality aluminum alloy cylinder block, precisely processed inner hole and hard anodized outer surface (anodicoxidation under special circumstances+ Teflon coating) extend the lifecycle and lower friction confficient.

3. Uniform design utilizes identical cylinder body and end cap for all double acting and single acting actuators. It allows changing acting way easily by adding or removing springs.

4. Modular preloaded safe spring cartridges can install or remove springs easily and safely no matter in the process of mounting or in the field.

5. The two independent adjusting screws on the external side can precisely adjust the on/off location of valve, which has been installed with actuator. If full stroke adjustment is required, additionally install longer adjusting screws on two end covers.

6. Multi-positioner and visual indicator comply with standard VID/VIE 3845 and NAMUR able to install and output all accessories. Such as limit switch, positioner and position sensor.

7. Air port complies with NAMUR standard and can be directly mounted NUMAR standard solenoid valve.

8. The compound bearing bush and piston guide ring at the back of gear rack and bearing of outlet shaft prevent metal to metal friction. In addition, the increased lubricants help to reduce friction and extend the lifecycle.

9. All fasteners are made of stainless steel material and long-term corrosion resistance.

10. Fully conformance to the latest specifications of ISO5211, DN3337(F03-F25), Namur and make the installation interchangeable and versatile.

► Dimension

► Output torque of AT series pneumatic actuator with spring return (unit: nm)

► Options

► FAQ

1 Are you a factory or trading company?
We are a factory specialized in manufacturing valves and fitting over 17 years.
And we have got the verification of compliance for ball valve from ECM and ISO9001 certificate of manufacturing and processing of valves and fittings.

2 Where are the main markets for your products?
We hope to make business with companies from all over the world. And for now, our valves and fittings have been exported to especially in North America, South America, South Asia, Europe and Middle East.

3 Do you have a minimum quantity of the products?
No, we will build business with you with even 1pc. We believe this cooperation will be a long-term relationship for our high quality, competitive price and good after-sale service.

4 Are samples available to be sent with free?
It depends on what product you need. There are hundreds of products we sell. You can contact us for particular answer.

5 Can you print our Logo on the valves?
Yes, we can totally produce products according to your special request, even manufacture it base on your drawing.

6 What is your lead time?
It's around 25-30 days normally. If we have the products in stock, it will be about 15days

7 How can I check your factory situation while it's difficult for me to come to China?
We have photos and videos on our website and facebook, It shows every step of the manufacturing.
We also have a showroom in CA, USA. If you have time, you can take a look.


8 How can you guarantee the quality of products?
First of all, we have the numerical control device to manufacture products accurately. Then our quality inspectors will test products one by one to make sure every valve or fitting we sell is qualified.

9 How long is the quality guarantee period?
We supply 6 to 12 months for quality guarantee according to customers' using frequency.

More information,pls send us email:sales@flowan-auto.net