We continue to absorb and learn from the advanced technology of similar international products, refine Triple Offset Metal Seat Butterfly Valve, Double Flanged Dual Plate Check Valve, Strainers classification, optimize product functions and provide high cost-effective products to meet the different requirements of customers. The company has a complete set of institutions, strong production and service technical force, a number of independent intellectual property rights, and professional and technical personnel at different levels. We optimize our structure and steadily implement a strategic plan with import and export trade as the leading, domestic trade as the breakthrough, capital operation as the focus, and industrialized operation as the direction. Our corporate culture is the wisdom of hard work, innovation and steady growth since the company was founded. What hasn't changed is our distinct company culture based on the belief that every individual matters and has something unique to contribute.

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

After unremitting efforts, we have been enjoying a high sense of identity in the industry and customers and hold a respectable reputation in the society with our excellent ODM/OEM Stainless/Cast Steel Ss Industrial Gas/Air/Water Electric/Pneumatic/Hydraulic Actuator Flanged Types Ventilation Aeration Butterfly Valve and sincere actions. Our company has a sound production management system, strong technical force, and has independent intellectual property rights, is your best choice for cooperation. We actively implement the upgraded version of green development and promote the level of environmental protection from excellent to outstanding.

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