at Pneumatic Valve Actuator Double-Acting Pneumatic Head Pneumatic Ball Valve Butterfly Valve
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Product Details
| Customization: | Available |
|---|---|
| Brand: | Zhitai |
| Power: | Pneumatic |
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Basic Info.
- Model NO.
- AT040-AT400
- Adjusted Form
- Switching Type/ Regulated Type
- Working Type
- Rotary
- Pressure
- Medium Pressure
- Work Temperature
- Normal Temperature
- Acting Type
- Double Acting; Spring Return
- Material
- Aluminum
- Customized
- Customized
- Structure
- Rack and Pinion
- Transport Package
- Wooden Packing
- Specification
- AT040-AT400
- Trademark
- ZT
- Origin
- China
- HS Code
- 8481901000
- Production Capacity
- 50000pieces/Year
Product Description
Aluminium Alloy Double Acting/ Single Acting / Spring Return Pneumatic Actuator
Summy:AT new rack-and-pinion pneumatic actuator is made by Zhitai Valve Co., Ltd., combined with the latest technology at home and abroad. By the innovative and optimized CAD three-dimensional design, it has beautiful and compact appearance and modem model; the application of new materials and processes enables more reliable quality and performance of the products; it's more economical, with models with various specifications; the product is in complete consistence with the new international standard technical specifications, and thus can satisfy the current and future needs.
Components:
| Part No | Quality of Machine | Part Name | Standard Material | Actual Material |
| 1 | 1 | Cylinder | Extruded aluminum alloy | Stainless steel |
| 2 | 1 | Output shaft | Carbon steel | Stainless steel |
| 3 | 1 | O-ring(at the bottom of the output shaft) | NBR | Fluorine/ silicon rubber |
| 4 | 1 | Bearing(at the bottom of the output shaft) | Nylon46 | - |
| 5 | 1 | Adjusting Cam | Stainless steel | - |
| 6 | 1 | Thrust Bearing(output shaft) | Nylon46 | - |
| 7 | 1 | Bearing(at the top of the output shaft) | Nylon46 | - |
| 8 | 1 | O-ring(at the top of the output shaft) | NBR | Fluorine/ silicon rubber |
| 9 | 1 | Bearing(at the top of the output shaft) | Nylon46 | - |
| 10 | 1 | Gasket((output shaft) | Stainless steel | - |
| 11 | 1 | Elastic damping ring | Stainless steel | - |
| 12 | 1 | Position indicator | PPPP+30%GF | - |
| 13 | 1 | Screw | PPPP+30%GF | - |
| 14 | 4 | Position indicator piece | PPPP+30%GF | - |
| 15 | 2 | Positon | Casting aluminum alloy | - |
| 16 | 2 | Guide bearing(at the back of piston) | Nylon46 | Fluorine/ silicon rubber |
| 17 | 2 | O-ring(piston) | NBR | - |
| 18 | 2 | Guide ring(piston) | Fluorine-carbon composite material | - |
| 19 | 5-12 | Spring assembly | Alloy spring steel | - |
| 20 | 2 | O-ring(end cap) | NBR | Fluorine/ silicon rubber |
| 21 | 1 | Left end cap | Casting aluminum alloy | Stainless steel |
| 22 | 1 | Right end cap | Casting aluminum alloy | Stainless steel |
| 23 | 8 | End cap bolt | Stainless steel | - |
| 24 | 2 | O-ring(adjusting bolt) | NBR | Fluorine/ silicon rubber |
| 25 | 2 | Gasket | Stainless steel | - |
| 26 | 2 | Nut | NBR | - |
| 27 | 2 | Adjusting bolt | Stainless steel | - |
- Adopts rack and piston double piston symmetrical structure, which enables fast and steady action, high precision, high output power.
- The cylinder enables its longer service life and low friction coefficient.
- Both double acting actuators and single acting actuators have same cylinder and ends cap, which makes it convient for changling action mode.
- Adopts conbined preload safe spring, which is safe and covenient for assembling or removing springs.
- It enables installall accessories, such as the limit switch box, electric positioner and position sensor.
- All fasteners are made of stainless steel, which enables long-term corrosion resistance.
- The connection parts are in line with new international standards ISO5211 and DIN3337(F03-F25).
Operating Principle of DR Double-action Model
When the air supply pressure enters the medium chamber between two pistons ol the cylinder from the gas port (2), it will make two pistons separated and moving toward both ends of the cylinder respectively; the air in the air chamber at both ends will be disch-arged from the gas port (4), and two piston racks will drive the out-put shaft (gear) to rotate counterclockwise. On the contrary, when the air supply pressure enters the air chamber at both ends from the gas port (4). A will make two pistons move toward middle of the cylinder; the air in the medium chamber will be discharged from the gas port (2). and two piston racks will drive the output shaft (gear) to rotate clockwise (if the piston is fixed in opposite direction, the output shaft will rotate reversely, and it will become double -action reverse-rotation DL model.
Operating Principle of SC(SO)Single-action Model
When the air supply pressure enters the medium chamber between two pistons of the cylinder, it will make two pistons separated and move toward both ends of the cylinder and compress springs at both ends; the air in the air chamber at both ends will be discharged from the gas port (4); two piston racks will drive the output shaft (gear) to rotate counterclockwise. When the air supply pressure is commutated by the solenoid valve, two pistons of the cylinder will move towards the middle pari, under the pressure of springs, and the air in the medium chamber will be discharged from the air port (2); two piston racks will drive the output shaft (gear) to rotate clockwise (if the piston is fixed in opposite direction, the output shaft will rotate in the opposite direction when the spring is reset, and it will become single-action reverse-rotation SO model.
Spring Components:
DR Double-action Output Torque(Nm)
SC Single-action Output Torque(Nm)

Actuator Data
Appearance&Connection Dimension
Company Introduction:
Zhitai Valve Co., Ltd is a member of Valve Association of Longwan District, is located in Longwan Central Industrial Zone, Wenzhou City. It'a professional technology company integrated with development, manufacturing, sales, and after-sales services of valve actuators and and self-controlled valves. Presently, our main products include: pneumatic actuators, pneumatic valves and pneumatic control valves; electric actuators, electeic valves and eletric control valves; automatic control products. Our products are widely applied in natural gas, electricity, petroleum, chemical, metallurgical, construction, pharmacy, paper, printing and dying. Zhitai series actuators and valves are the best choice for automatic fluid control engineering and equipment manufacturing. We sincerely welcome customers from home and abrode to visit us for supervision, communication and cooperation. It's a great honor for us to cooperate with you.
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