1. Introduction
Its scotch yoke structure makes piston rod move from linear to rotary.Special U-type output torque structure is used for valve opening or closing,which needs large torque.The structure is novel and flexible.It can generate 50% torque than common rack and pinion pneumatlc actuator.It is suitable for large and medium size valves and is widely used in automatic and remote control operations.Piston air chamber is sealed and separated from scotch yoke mechanism.Air consumption is small.
2. Specifications
General Design |
Pneumatic Double-Cylinder Double-Piston Shifting fork Type Actuator; Model AW Means Double-Acting; Model AWS Means Single-Acting Spring Return. |
Rotary Angle |
Double-Acting 90°; Single-Acting 90°; Adjusted from -5° ~ +5° from two ends. |
Operating Temperature |
-20ºC ~ 90ºC |
Air supply Pressure |
0.3 ~ 0.7MPa. |
3. Model Defination
4. Actuator Selection & Installation
When select the actuator, the torque of valve must be identified firstlγ, then consider the fluid; Add 25% security value when it is steam or non-Iubricated; Add 60% security value when it is non-Iubricated dry gas media; Add 100% security value when it is non-Iubricated gas transmission particles media; Add 20% security value when it is clean and no friction lubrication media; Then check the double-acting or single-acting type torque form according to air source pressure, and the model of actuator can be chosen correctly.
5. Actuator & Accessory Function
Double - acting pneumatic actuator;Double position control of valve's open or close Spring Return: Valve open or close automatically when circuit ,gas is cut off or failure (Explosion-prool offer available) Single-control solenoid valve: Valve opens or closes when power on , vice versa(explosion-proof offer available) Double-control solenoid valve: Valve opens when one coil is power-on. Valve closes when another coil is power-off. It has memory-save function (explosion-proof offer available) Limit Switch 60x: Long -distance transmission of valve position signal (explosion-proof offer available) Electric Locato r: Regulate and control the flow of media accord ing to current signal (Standard 4-20mA)
(explosion-proof offer avai lable)
Pneumatic Locator; Regulate and control the flow of media according to pressure signal IS tandard 0.02- 0.1MPa)
Electrical Converters: It converts current signal into pressure signal, and used with pneumatic locator (explosion-proof offer available)
Air Source Treatment Triple-Unit: It includes pressure reducer , filter, oil mist and has air pressure -stability,air source - cleaning ,parts - lubrication functions
Manual Operation Institutions: It can be manual operated if automatic operation is out of control
6. Order Notice
Pneumatic valve is complex intelligent-control instrument that is a combination of pneumatic components . Users must choose accessories detailed according to their requirements , and note on
technology contracts
1). Pneumatic Actuators , (1) Double-Acting ,(2)Â Single-Acting ,(3) Model
2). Solenoid Valve, (1) Single-Control Solenoid Valve ,(2) Double-Control Solenoid Valve ,(3) Voltage ,(4) Explosion-Proof Type
3). Feedback Signal , (1) Mechanical Switches ,(2) Approachable Switches, (3) Output Current Signal ,(4) Voltage ,(5) Explosion-Proof Type
4) Locator: (1) Electric Locator, (2) Pneumatic Locator, (3) Current Signal,(4) Air Pressure Signal ,(5) Electrical Converter,(6) Explosion-Proof Type
5). Air Source Treatment Triple- Unit (1 )Filter & Pressure Reducer Valve ,(2)Oil Mist
6). Manual Operation Institution
7). Special interface Size
8). Special Order
Company Introduction:Â Â
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.
1. Introduction
Its scotch yoke structure makes piston rod move from linear to rotary.Special U-type output torque structure is used for valve opening or closing,which needs large torque.The structure is novel and flexible.It can generate 50% torque than common rack and pinion pneumatlc actuator.It is suitable for large and medium size valves and is widely used in automatic and remote control operations.Piston air chamber is sealed and separated from scotch yoke mechanism.Air consumption is small.
2. Specifications
General Design |
Pneumatic Double-Cylinder Double-Piston Shifting fork Type Actuator; Model AW Means Double-Acting; Model AWS Means Single-Acting Spring Return. |
Rotary Angle |
Double-Acting 90°; Single-Acting 90°; Adjusted from -5° ~ +5° from two ends. |
Operating Temperature |
-20ºC ~ 90ºC |
Air supply Pressure |
0.3 ~ 0.7MPa. |
3. Model Defination
4. Actuator Selection & Installation
When select the actuator, the torque of valve must be identified firstlγ, then consider the fluid; Add 25% security value when it is steam or non-Iubricated; Add 60% security value when it is non-Iubricated dry gas media; Add 100% security value when it is non-Iubricated gas transmission particles media; Add 20% security value when it is clean and no friction lubrication media; Then check the double-acting or single-acting type torque form according to air source pressure, and the model of actuator can be chosen correctly.
5. Actuator & Accessory Function
Double - acting pneumatic actuator;Double position control of valve's open or close Spring Return: Valve open or close automatically when circuit ,gas is cut off or failure (Explosion-prool offer available) Single-control solenoid valve: Valve opens or closes when power on , vice versa(explosion-proof offer available) Double-control solenoid valve: Valve opens when one coil is power-on. Valve closes when another coil is power-off. It has memory-save function (explosion-proof offer available) Limit Switch 60x: Long -distance transmission of valve position signal (explosion-proof offer available) Electric Locato r: Regulate and control the flow of media accord ing to current signal (Standard 4-20mA)
(explosion-proof offer avai lable)
Pneumatic Locator; Regulate and control the flow of media according to pressure signal IS tandard 0.02- 0.1MPa)
Electrical Converters: It converts current signal into pressure signal, and used with pneumatic locator (explosion-proof offer available)
Air Source Treatment Triple-Unit: It includes pressure reducer , filter, oil mist and has air pressure -stability,air source - cleaning ,parts - lubrication functions
Manual Operation Institutions: It can be manual operated if automatic operation is out of control
6. Order Notice
Pneumatic valve is complex intelligent-control instrument that is a combination of pneumatic components . Users must choose accessories detailed according to their requirements , and note on
technology contracts
1). Pneumatic Actuators , (1) Double-Acting ,(2)Â Single-Acting ,(3) Model
2). Solenoid Valve, (1) Single-Control Solenoid Valve ,(2) Double-Control Solenoid Valve ,(3) Voltage ,(4) Explosion-Proof Type
3). Feedback Signal , (1) Mechanical Switches ,(2) Approachable Switches, (3) Output Current Signal ,(4) Voltage ,(5) Explosion-Proof Type
4) Locator: (1) Electric Locator, (2) Pneumatic Locator, (3) Current Signal,(4) Air Pressure Signal ,(5) Electrical Converter,(6) Explosion-Proof Type
5). Air Source Treatment Triple- Unit (1 )Filter & Pressure Reducer Valve ,(2)Oil Mist
6). Manual Operation Institution
7). Special interface Size
8). Special Order
Company Introduction:Â Â
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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