High quality and excellently performinge butterfly valve Pneumatic Actuator

FLOWAN AUTO-CONTROL is the prominent Pneumatic actuator Manufacturer in China. We are specialist in this arena and manufacture high quality and excellently performing huge collection of Pneumatic actuator such as High temperature Pneumatic actuator, Low temperature Pneumatic actuator,Pneumatic Trunnion Mounted Ball Valves, Pneumatic Duplex Steel Ball Valves and Pneumatic butterfly Valves etc.

Our company is well-renowned among the list of China as well as international industries credited to the fact that we put tremendous hard work in research and development, designing, machining and manufacturing of our products and also rigidly stick to quality management.

Payment & Shipping TermsSupply Capacity

Unit Price:	1- 100 USD	Production Capacity:	100,000 pcs / month
Payment Term:	L/C, Western Union, T/T	Packing:	Carton normally
MOQ:	USD5000	Delivery Date:	15 days
Means of Transport:	Ocean, Express, Air

Rotary pneumatic actuators
Spring Return pneumatic actuators

· Dual piston rack & pinion design

· Double acting and spring return

· Extruded aluminum body providing optimum strength and corrosion resistance.

· 18 sizes models, with a torque range 7.5N.m~8546N.m at 5.5Bar

· Pressure 2 to 8 bar (30 to 120 PSI)

· Rotation 0º to 90º(±5º)

· Temperature range -20°C to +80°C (-4°F to +176°F)

· Valve mounting and drive dimensions to the ISO 5211/DIN 3337,VD/VDE3845 and NAMUR.

· Mounting for solenoid valves and position signalers to the NAMUR standard (VDI/VDE 3845).

· Double Acting and Spring return common end caps

Failure treatment

When there the pneumatic actuator failure, if the user can not tell the failure by themselves, should get the technology support form the suppliers. The main failure phenomenons, failure reasons and methods are as following table:

Failure phenomenon	Reason	Method
No action	1) No air supply 2) No signal	1) Check the air supply 2) Check the signal
The action is too slow	1)The pressure is too low 2)The air path is blocked up 3)The cylinder is air leakage	1) Check the pressure 2) Check the air path 3) Check the cylinder, replace the seal
Action fibrillation	1)The pressure is too low 2)The air path is blocked up(including the inlet air and outlet air ) 3)Resonance	1) Check the pressure 2) Check the air path 3) Add support

Operating conditions:
1, Operating media: Dry or lubricated air, the non-corrosive oil.
2, Air supply pressure: Double acting: 2~8Bar; Spring return: 2~8Bar
3, Operating temperature: Standard: -20℃~+80℃
Low temperature: -40℃~+80℃
High temperature: -20℃~+150℃
4, Travel adjustment: Have adjustment range of ±4°for the rotation at 90°
5, Lubrication: Under normal operating condition, need not accrete lubricant
6, Application: Either indoor or outdoor
7, Highest pressure: The maximum input pressure is 8 Bar