DN50 Air Control Butterfly Valve Pneumatic regulating Actuator
Butterfly Valve Product ParametersDesign standardsDesign
standardsGB/T2238-1989Flange connection
sizeGB/T9113.1-2000;GB/T9115.1-2000;JB78Structure
lengthGB/T12221-1989Pressure testGB/T13927-2000;JB/T9092-1999Part
MaterialPart nameMaterial namevalve bodyCast iron, cast steel,
stainless steel, chromium molybdenum steel, alloy steelbutterfly
boardCast steel, alloy steel (hard chromium plated), stainless
steel, chromium molybdenum steelsealing ringRubber, PTFE, PPL,
stainless steel, PCL, wear-resistant materialsvalve
stem2Cr13,1Cr13stainless steel,chromium molybdenum steelfillerPTFE,
flexible graphitePerformance specifications
DN(mm)DN50~1200nominal pressurePN(MPa)0.61.01.62.5testing
pressurestrength test0.91.52.43.75Sealing test0.661.11.762.75Low
pressure airtightness test0.5~0.7Applicable MediumWater, oil,
steam, nitric acid (temperature≤200ºC), acetic acid
(temperature≤200ºC)) Product Description
The pneumatic regulating butterfly valve is composed of an imported
pneumatic actuator and a triple eccentric sealing butterfly valve
body. The pneumatic regulating butterfly valve has a simple and
compact structure, convenient processing, and is easy to make into
a large diameter. The pneumatic regulating butterfly valve has a
self-cleaning effect, a small resistance coefficient, and a large
flow capacity. Equipped with a valve positioner, the operation can
be controlled by inputting a control signal (4-20mADC) and a
0.44-0.7MPa air source. The pneumatic regulating butterfly valve is
suitable for regulating the flow of suspended particles and thick
and turbid slurry fluids. Clean media can be selected with valve
plates and soft seals (rubber rings, PTFE rings) to reduce leakage
(up to zero leakage), and triple eccentric hard seal valve bodies
can be used for high-temperature and high-pressure conditions.
Pneumatic regulating butterfly valve is a better device for
regulating flow and cutting off fluid in automatic control system.
Therefore, pneumatic regulating butterfly valves are widely used in
pipelines with corrosive media such as metallurgy, power,
petroleum, chemical, air, gas, combustible gases, and water supply
and drainage, where the medium temperature is ≤ 550 ºC.
Product Features1. Simple, small in size, light in weight,
low in flow resistance, high in flow coefficient, and good in
sealing performance. Wide adjustment range. It is the execution
unit of instruments in an automation control system. 2. The
pneumatic regulating butterfly valve adopts an electro-pneumatic
valve locator, powered by electrical signals and compressed air,
and receives a 4-20mADC current signal input from the control
system. The regulator converts the compressed air into an air
source pressure signal for input and output, changing the rotation
angle of the valve plate (0-90 ° arbitrary angle), and has good
parameters such as regulating and controlling flow. 3. The
pneumatic actuator adopts a piston type cylinder and a curved arm
conversion structure, with large output torque and small volume. It
adopts a fully sealed waterproof design with high protection level.
The cylinder body adopts a mirror shaped cylinder with no oil
lubrication, low friction coefficient, corrosion resistance, strong
durability and reliability. All transmission bearings adopt
boundary self-lubricating bearings without oil lubrication,
ensuring that the transmission shaft is not damaged by friction.
Product ApplicationCompany ProfileFAQQ1: Are you a
manufacturer or a trading company? A1: We are a
manufacturer located in Wenzhou City, Zhejiang Province, China.Q2:
Do you accept customized orders?A2: YES! We can supply customized
valves.Q3: What is lead time of your product?A3: Normally, our
factory lead time is within 7~15 working days for products without
customization. You can also check lead time detail with our sales
depending on different items.Q4: What's the transport?A4: Express
such as DHL, FedEx, TNT, UPS for freight prepaid; and we can also
use your own courier account to do the freight collect. For more
goods we can arrange by air or by Sea.Q5: What is your terms of
payment ?A5: We could accept T/T, L/C /* March 10, 2023
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