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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

Each individual member from our large performance revenue crew values customers' needs and company communication for Double Flanged Concentric Pneumatic Ventilation Ss 316 Butterfly Valve. Our goal is to win more new customers worldwide, which is also the driving force for all our teams to move forward. It is our lifetime goal and vision to build a world-renowned enterprise with excellent product quality, deep technical force and reasonable product prices.

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