Pneumatic butterfly valve (Type Zma/scW-0.6) is matched with pneumatic film and piston actuator. It is widely used in metallurgy, generating plant, petroleum, chemical industry, building material etc. It changes media flow of liquid, gas and vapour in pipeline according to the different control signals, realizing automatic control and remote control during industry manufacture process.
QDF series pneumatic & double-actuator butterfly valve uses compressed air as power. Pneumatic driver will drive the valve plate and make it rotate in valve body to realize its on anf off effect. For the actuating elements, we import German Festo electromagnetic control and pneumatic driving products. It is characterized by tight structure, small volume,dependable driving, safe and convenient installation, quick response speed, optional safe type and high performance-price ratio etc. It can be used in the automatic control system.
QDF series double-actuator pneumatic butterfly valve is composed of double pneumatic drivers (including solenoid coil, limit switch and air pipeline), butterfly valve, PLC controller.
Main technical parameter of type ZSCW-0.6
Remarks：Technical figures comply with normal technical condition of pneumatic adjustable valve of GB4213-92.
main technical parameter of ZSCW-0.6
1. Apply double-piston driving and gear driving of double racks. It is characterized by small volume and large output torque.
1. Apply double-piston driving and gear driving of double racks. It is characterized by small volume and large output torque.
2. The piston is connected with gear rack. The flexiblwe piston ring and opening bearing shell are tightly pasted on the inside wall of the cylinder to make it work stably.
3. The surface of the relative driving part has been through special treatment. It is anti-abrasive and is with long life.
4. The parts of cylinder body and piston are used aluminium alloy material. It is of good outlooking and light weight.
5. Travel switch can be installed to send feedback signal of valve position in remote distance and to display the work condition of butterfly valve.
6. The continuous working life of electromagnetic valve of the driver is over 4,0000,000 times.
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Ⅱ、 Main technical parameter
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Work temperature
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Normal temperature -15-～250
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Leakage ratio
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Middle temperature -40～450
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Material
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Valve plate of valve body
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High temperature -60～650
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Nominal pressure(MPa)
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Rotated angle of valve plate(0)
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Shaft
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Pressure of air source(MPa)
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Filling material
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polytetrafluoroethylene
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Physical properties of flow material
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Soft graphite
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Aproximity percentage
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Soft graphite (-40~450℃-40~650℃)
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Ⅲ、 Outline and installation dimension：
Outline of type ZMAW-0.6 refers to drawing 1. Outline of type ZSCW-0.6 refers to drawing 2. Outline installation dimension refers to table 4 and table 5.
Ⅳ、 Outline dimension of ZMAW-0.6k/b Pneumatic film butterfly valve：
nominal diameter
Outline dimension of ZSCW-0.6k/b pneumatic adjuatable butterfly valve ：
nominal diameter， nominal pressure， actuator type， effective area of piston， max. travel， signal pressure， operation pressure， rotated angle of valve plate， max. allowable DP ， rated flow factor， flow factor， outline and connection dimension
*Remarks：The allowable DP is the opening of 70 degree of valve.
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Main technical parameter of butterfly
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