3 4 inch butterfly valve

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  pneumatic butterfly valve

Pneumatic Ventilation Butterfly Valve

Features & Benefits

• Ventilation butterfly valve uses the aluminum alloy material as the valve body to process the seal ring and adopts electric or pneumatic actuator.

• The applicable temperature depends on the valve body selection, nominal pressure ≤0.6MPa, generally applicable to industrial, metallurgical, environmental protection and other pipelines for ventilation regulation media flow use.

• Ventilation butterfly valves are used in the dusty cold air or hot air gas pipelines in the ventilation and environmental protection projects in the chemical, building materials, power stations, and glass industries, as a gas medium to regulate the flow or cut off the pipeline control devices.

• This type of valve should generally be installed horizontally in the pipeline.

• When the ventilating butterfly valve is in the fully open position, the thickness of the ventilating disc is the resistance when the medium flows through the valve body, so the pressure drop generated by the valve is very small, so it has better flow control characteristics.

  Product Description

Product Description

• All listed output torques are expressed in inch pounds of torque (in. lbs.).

• Charts for available air pressure are expressed in pounds per square inch (P.S.I.).

• FLOWX actuators offer ±5° adjustment in the open and closed positions on DA52 through DA-125 models.

• For all other models, adjustment is in the open position only.

• The closed position is 0° fixed. Optional retrofit kits are available to allow for adjustment in both open and closed positions on the DA-160, DA-200 and DA-270 models.

General Application

• Ideally suited for many applications within the heating ventilation and air conditioning, water treatment and irrigation markets.

Technical Data

• Rotation angle:0° to 180° Adjustable angle 0° to 180°

• Air pressure:    2.5~8bar(Double acting), 3~8bar(Single acting)

• Operating ambient temperature:     Standard Type:-20°C~+80°C

• High temperature Type:     0°C~+180°C

• Low temperature Type:     -45°C~+60°C 

• Max Working Pressure:    10bar

• Pressure:     5 to 10 bar

• Work media:     Air (PNEUROP/ISO Class 4)

• Connections:     ISO 5211 for brackets

• DIN 3337 coupling (star shaped)

• VDI/VDE 3845 for accessories

• NAMUR for work media

• Air supply connection:1/8" & 1/4" G type thread.

• Surface material:     Hard anodized - 40μm

• Life time:     One million times

• Accessories:     positioner, Air Filter Regulator, lock up valve, travel switch, handwheel, etc... 

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  Parameter & Drawing

• Flowx Brand Flowx series actuators which compact design,long life service,high quality,gear and gear rack.

• This product is used for 90°C rorarionally valves,such as:ball valves,butterfly valves,plug valves etc.Our company put product quality as the first task,adpots the most advance production and technology,stronger than similar product on both prodcut quality and performance.

0-90° Rotary Pneumatic Actuator Parameter & Drawing

0-90° Rotary Pneumatic Actuator Parameter & Drawing

  Parameter & Drawing

  Production Flow

0-90° Rotary Pneumatic Actuator Production Flow

  Application

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