Our company adheres to continuous technological innovation to create value for customers and is committed to providing customers with high-quality Parallel Slide Gate Valve, Ductile Iron Butterfly Valve, Stainless Steel Foot Valve. We pursue the tenet of 'customer first, best quality, first-class service', and continuously strengthen the internal management of the company and focus on improving our own business quality. Holding quality first, insisting on service first--we invested in the construction of a finishing production line, and cultivated a skilled and stable production and quality management team. In order to serve more enterprises faster and better, our company's products are constantly upgraded and the later technical support is constantly improved, so as to solve the worries of the majority of new and old users.

Description & Features

Ventilation Butterfly Valve is a regulating valve with a simple structure and can also be used for on-off control of low-pressure pipeline media. It using the same material into the valve body seals, the applicable temperature varies depending on the selection valve. Its structure is simple, compact, and the product itself is light in weight. This Ventilation Butterfly Valve is generally applicable to industry, metallurgy, environmental protection, regulating media flow conduit for ventilation purposes.

● Ventilation Butterfly Valve has novel and reasonable design, unique structure, light weight, and rapid opening and closing.

● It has small operating torque, convenient operation, simple installation method, low internal resistance, and can well solve the problem of high temperature expansion.

● This valve uses materials that adapt to different medium temperatures and corrosive media, with strong working reliability and long service life.

● Flattened body bore at shaft journal ports positions shaft bearings near disc, providing maximum shaft support resulting in reduced wear and longer life.

Specifications

Size Range	Body Material
2"-80" DN50-DN2000	Q235, WCB, CF8, CF8M, CF3, CF3M etc.
Pressure Rating	Disc Material
PN0.5-PN6	Q235, WCB, CF8, CF8M, CF3, CF3M etc.
End Connection	Seat Material
Flange (FF, RF), wafer	Same as body material
Structure Style	Stem Material
Full Port, Concenric	17-4PH, 2Cr13, SS304, SS316
Actuator Options	Design Standard
Lever, penumatic, electric, worm gear, hydralic	GBT/1 2238, JB/T8692
Temperature Range	Face to Face Standard
-20℃~80℃	GB/T12221
Connection Standard	Test Standard
Flange Drilling: GB/T9113	GB/T13927, JB/T 9092

Brand	DAGO or OEM
Test	100% quantity tested before delivery
Guarantee	12 months from date of shipment or Negotiable
MOQ	1 Set
Sample	Available
Color	Customer required or manufacturer default
Packing	Plastic bag wrapped inside, seaworthy wooden case outside
Certificate	API6D, CE, TUV, ISO9001, ISO14001, ISO45001, Mill Test Certificate
Country of Origin	Zhejiang, China
HS Code	848180 (universal), 8481804090 (China)
Port	Shanghai or Ningbo
Payment Terms	T/T, L/C, Western Union

Welcome to visit us in the near future and sincerely hope to establish a long-term business relationship with your esteemed company. We are always trying the best to supply you Electric Ventilation Flange Butterfly Valve with the most competitive price, best quality and service. In the new historical period, we aim at customer value and our ability to serve customers has been continuously improved. We fully follow the needs of customers, and continuously carry out product innovation and service improvement.

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