Pneumatic Flanged Butterfly Valve
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Pneumatic Flanged Butterfly Valve

Pneumatic flanged butterfly valve can be divided into elastic seal and metal seal according to the sealing form. The elastic seal materials include NBR and fluororubber, the hard seal butterfly valve is multi-layer metal hard seal, which has the advantages of elastic seal and excellent sealing performance at low temperature. Compared with the clip type butterfly valve, the pneumatic flanged butterfly valve has higher pressure resistance. Generally, the flange type butterfly valve is used in the high pressure condition.

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Product Description

Bulk Pneumatic Flanged Butterfly Valve From Our Factory with High Quality in China

1.Introduction of Pneumatic flanged Butterfly valve

Pneumatic flanged butterfly valve is composed of flange butterfly valve and pneumatic actuator. The flanges at both ends of butterfly valve body are connected with pipeline flange, which has the advantages of relatively reliable sealing performance.
Pneumatic flanged butterfly valve can be divided into elastic seal and metal seal according to the sealing form. The elastic seal materials include NBR and fluororubber, the hard seal butterfly valve is multi-layer metal hard seal, which has the advantages of elastic seal and excellent sealing performance at low temperature. Compared with the clip type butterfly valve, the pneumatic flanged butterfly valve has higher pressure resistance. Generally, the flange type butterfly valve is used in the high pressure condition.


2.Technical Parameters of Pneumatic flanged butterfly valve.

Type of Valve Pneumatic flanged Butterfly Valve
DN DN50~DN2000
PN(MPa) 0.6~1.6
Design Temperature Range -29℃~425℃
Applicable Medium Hot water, Steam, Petroleum, gas, chemical industry, water treatment, etc
Construction type Center line type, single eccentricity, double eccentricity and triple eccentricity
Connection type: Flang
Actuator type  Pneumatic Actuator
Sealing Metal Hard Seal, Soft seal

Material of Pneumatic flanged butterfly valve

Spare Parts Material
Body Carbon steel, stainless steel, Cr Mo Ba steel, etc
Disc Carbon steel, stainless steel, Cr Mo Ba steel, etc
Stem  Stainless Steel
Packing Flexible graphite, fluoroplastics
Sealing Rubber, PTFE, stainless steel, cemented carbide


Pneumatic Flanged Butterfly Valve


Pneumatic Flanged Butterfly Valve


3.Advantage of Pneumatic flanged butterfly valve

Pneumatic flanged butterfly valve is equipped with pneumatic actuator, the speed of pneumatic actuator is relatively fast, and does not need workers to do it by themselves, which saves human resources and time to a great extent·
The main advantages of the pneumatic flanged butterfly valve are simple structure, small volume, light weight and low cost. The pneumatic butterfly valve is especially remarkable. It is installed in the high-altitude underpass and controlled by two position five way solenoid valve. It is easy to operate and can also adjust the medium flow



MST Valve Co., Ltd. is a professional supplier of industrial valve, such as Butterfly valve, Ball valve, Check Valve and Gate valve.
Dedicated to strict quality control and thoughtful customer service, our experienced stall member are always available to discuss your requirements and ensure full customer satisfaction.
We have hydraulic test for every single piece of valves, life test for new developed valve under certain working pressure and temperature, which ensure reliable quality of each piece of valve.
With large stock of valve parts, we may delivery the valves in a very short time.
As one of OEM manufacturers of industrial valve, we provide OEM service and accept customized order as well.
Trust, quality and value, your partner in success.
We passed CE , API, ISO certification.


4. Packaging and Delivery


5. FAQ

1. Can i have a sample order for valve ?
A: Yes, we welcome sample order to test and check the quality, Mixed sample are accepted.
2. Do you have any MOQ limit for valve order ?
A: Low MOQ, 1 PC for sample checking is avaible.
3. Could you offer OEM service ?
A: Yes, OEM is availble.
4. How about the payment ?
A: We normally accept 30% deposit, and balance will be paid before shipping. L7C is OK
5. Whafs the delivery time of your butterfly valves?
A: For most of the sizes,DN50-DN600,we have stock of valve parts,it*s possible to deliver in 1-3 weeks,to nearest seaport Tianjin.
6. Whafs the warranty of your products?
A:We normally offer 12 months of warranty in service or 18 months since shipping date.
7. What is your products standardization?
A: GB/T12238-2008, JBfT 8527-1997, API 609,EN 593-1998, DIN 85003-3-1997


6.Contact Information





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