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Pneumatic Control Butterfly Valve

Pneumatic Control Butterfly Valve

Pneumatic actuated butterfly valves sandwich mount between flanges and are a lightweight alternative to traditional gate valves. They have a circular disc contained within a ring that is driven by a central shaft and create a seal by compressing a seal in the closed position. Pneumatic operated...

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Product Details

Pneumatic actuated butterfly valves sandwich mount between flanges and are a lightweight alternative to traditional gate valves. They have a circular disc contained within a ring that is driven by a central shaft and create a seal by compressing a seal in the closed position. Pneumatic operated butterfly valves use compressed air to drive the valve actuator which automatically opens and closes the actuated butterfly valve. There are a wide variety of air actuated butterfly valves available in a range of body styles and sizes, materials and pressure ratings and they are suitable for most applications ranging from water, gases, oils, foodstuffs, chemicals, pharmaceuticals and powders. The most commonly used is the cast iron butterfly valve because typically with a stainless steel disc and rubber liner, it is suitable for the most common ambient temperature, low pressure applications of water, gases, oils, many chemicals and foodstuffs.

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Main technical specification

Nominal diameter DN(mm)

DN80~1200(3''~48'')

Nominal pressure PN(Mpa)

0.61.01.62.54.0150lb300lb)

Inherent flow characteristic

Approximate percentage

R Inherent adjustable ratio

50

Rated corner(°)

80

Pneumatic actuator form

Single actiondouble action

Gas source pressure(Mpa)

0.5MPa

Power voltage

220V.AC 50Hz 380V AC 50Hz(Three phase)

Input signal

4~20mA.DC0~10mA.DC1~5V.DCC

Connection form

Flange type:Flange standard HG/T20592-2009

Working Temperature(°C)

Carbon steel:-20~425°Cstainless   steel:-40~595°C


Main performance Index


No

Item

Pneumatic three-eccentric center butterfly valve

Motorized three-eccentric center butterfly valve

1

Intrinsic Error<(%

±2.5

±2.5

2

Return difference<(%

2.5

2

3

Dead band<(%

2

3

4

Origin-destination deviation<(%

Origin

±2

±1.5

destination

5

Nominal deviation<(%

+2.5

+0.5

6

Deviation of rated flow coefficient.<(%

+10

pneumatic control butterfly valve.jpg

pneumatic control butterfly valve.jpg

pneumatic control butterfly valve.jpg

pneumatic control butterfly valve.jpg

pneumatic control butterfly valve.jpg

pneumatic control butterfly valve.jpg

pneumatic control butterfly valve.jpg

Mail address:Infor@hoyeevalve.com

Website:www.hoyeevalve.com

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