
Pneumatic Actuated Electric Actuator Double Flanged Butterfly Valve with Nylon Rilsan Painting Disc
Product Introduction
We have already won a high reputation with our excellent Stainless Steel Elliptical Man Hole Cover, Butterfly Valve, Wled Pipe Fittings PL RF Flanges, and customer's expectation is the driving force for us to continuously improve our professionalism and service quality. In line with the business philosophy of 'quality, service, development and innovation', we have many years of research and development team, mature technology, advanced production equipment and perfect quality management system to provide customers with high-quality products. Adhering to the company's management policy of 'customer satisfaction, continuous improvement of quality and dedicated service', we have always maintained close contact with customers. Our company creates an educational environment of continuous motivation, courage and enterprising, lifelong learning, and pursuit of career achievement, so as to build a high-efficiency and low-cost education environment.

Part material
Part Name | Material name |
Valve body | Cast iron, ductile iron, carbon steel |
Butterfly | Ductile iron (hard chromium plated surface), copper alloy, stainless steel |
Seat seal | Phenolic resin or aluminum alloy lined with nitrile rubber, eihylene-prapylene rubber, fluorine rubber |
Bushing | Copper alloy or copper back sintered PTFE |
Flange connection | GB/T8527、GB9113,Can also be specified by the user |
Structure length | GB/12221 |
Pressure test | GB713927; JB/T9092 |
Applicable medium | Freshwater, sewage, seawater, air, steam, food, Medicines, various oils, acids, alkalis, salts, etc. |
Performance parameter

Main connection size | Unit:mm | ||||||||
Nominal diameter | L | D1 | D | Z-ød | H | H0 | A | B | D0 |
50 | 43 | 125 | 165 | 4-18 | 63 | 438 | 125 | 125 | 80 |
65 | 46 | 145 | 185 | 4-18 | 70 | 453 | 125 | 125 | 80 |
80 | 46 | 160 | 200 | 8-18 | 83 | 478 | 125 | 125 | 80 |
100 | 52 | 180 | 220 | 8-18 | 105 | 519 | 125 | 125 | 80 |
125 | 56 | 210 | 250 | 8-18 | 115 | 713 | 325 | 245 | 150 |
150 | 56 | 240 | 285 | 8-22 | 137 | 749 | 325 | 245 | 150 |
200 | 60 | 295 | 340 | 8-22 | 164 | 843 | 325 | 245 | 150 |
250 | 68 | 350 | 395 | 12-22 | 206 | 947 | 363 | 313 | 200 |
300 | 78 | 400 | 445 | 12-22 | 230 | 1013 | 363 | 313 | 200 |
350 | 78 | 460 | 505 | 16-22 | 248 | 1046 | 363 | 313 | 250 |
400 | 102 | 515 | 565 | 16-26 | 289 | 1135 | 363 | 313 | 250 |
Overview of electric flange butterfly valve:
1. D971H electric flange butterfly valve is simple in structure, small in volume and light in weight, and only consists of a few parts.
2. The valve can be quickly opened and closed by 90 ° rotation, and the operation is simple. At the same time, the valve has good fluid control characteristics.
3. When the electric flange butterfly valve is in the fully open position, the thickness of the butterfly plate is the only resistance when the medium flows through the valve body, so the pressure drop through the valve is very small, so it has good flow control characteristics.
4. The electric flange butterfly valve has two sealing types: elastic seal and metal seal.
5. For elastic sealing valve, the sealing ring can be inlaid on the valve body or attached around the butterfly plate. The switch value can be adjusted directly by inputting 220 V power supply, and the adjustment module can be installed. The operation can be controlled by inputting control signal (4-20 mA DC or 1-5 V DC) and single-phase power supply.
be careful:
If the electric flange butterfly valve is required to be used as flow control, the main thing is to select the correct size and type of valve. The structure principle of butterfly valve is especially suitable for making large diameter valve.
Application:
It is widely used in oil pipeline, gas, chemical industry, water treatment, thermal power station and other general industries.
Price:Our price fluctuates with raw materials and exchange rate.
Please leave your contact information and give you a new quotation as soon as possible.
Packing: wooden case, wooden pallet or packing method specified by customers.
To create much more price for clients is our company philosophy; purchaser growing is our working chase for Pneumatic Actuated Electric Actuator Double Flanged Butterfly Valve with Nylon Rilsan Painting Disc. We seek new and innovative, breed rich creativity, and constantly incubate new surprises. We can quickly respond to customer demand, so as to improve the market competition level of our company.
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