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  pneumatic butterfly valve

Pneumatic Hard Seal Trip Eccentric Butterfly Valve

Features & Benefits

• Hard-seal butterfly valve is a kind of component used to realize the on-off and flow control of pipeline system.

• It has been widely used in many fields such as petroleum, chemical industry, metallurgy, and hydropower. In the known butterfly valve technology, the sealing structure is mostly a sealed structure,

• and the sealing material is rubber, PTFE, and the like. Due to structural limitations, it is not suitable for high temperature, high pressure, corrosion and wear resistance industries.

• The existing one of the more advanced butterfly valves is a three-eccentric metal hard-seal butterfly valve.

• The valve body and the valve seat are connected components, and the valve seat sealing surface layer is surfacing with temperature-resistant and corrosion-resistant alloy materials.

• The multi-layer soft stack seal is fixed on the valve plate.

• Compared with the traditional butterfly valve, this type of butterfly valve has high temperature resistance, easy operation,

• no friction when opening and closing, and the seal is increased when the torque of the transmission

• mechanism is increased during closing.

• The sealing performance and the advantages of prolonged service life.

  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

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