Vatac Vango Valves (Wenzhou) Corp
 
86-577-6796-2190
vatac@cnvchina.com

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Vatac Valves (Quzhou) Corp.

Longyou Industrial Zone, Quzhou, Zhejiang, China. 324400.

Tel: 0086-551-6599-0285

Fax: 0086-551-6599-0286

vatac@cnvchina.com

www.vatacvalve.net

Dashpot Butterfly Check Valve

Dashpot Butterfly Check Valve

Vatac provides a Dashpot Butterfly Check Valve and mainly solves the problems that a piston is easy to damage and the practical service life is short. The Dashpot Butterfly Check Valve is characterize

Product details

Vatac provides a Dashpot Butterfly Check Valve and mainly solves the problems that a piston is easy to damage and the practical service life is short. The Dashpot Butterfly Check Valve is characterized in that an oil cylinder is internally provided with the piston and a vent valve, wherein the piston is provided with an elastic device which can adjust and move the piston; a one-way adjusting valve is arranged between the oil cylinder and an air cylinder; the oil cylinder is communicated with the air cylinder by the one-way adjusting valve. The micro-resistance slow closing butterfly type check valve has the advantages that the piston is pushed by a compression force of a compression spring so as to prevent the piston from being in contact with a medium, reduce the damages of the piston and prolong the service life.

» The valve can run automatically without drive and operating system after setting the parameters. According to state of the pump open and close, it can actualize slow open, full flowing, quick close, slow close to check and other functions by using pressure change of own medium as the drive force. 

» The closing angle and the close time can be adjustable, so that the valve can be suitable for various operating conditions.

» Slanted seat, the open and close journey is short. (Open and close angle is 77 degree). Excellent on and off operation performance.

» Large offset double eccentric disc design and slanted seat, when the valve open and close, sealing couple move relative that is similar to cam gear and release abrasion between seat and disc. Long working life. 

» Hydraulic damping device make up of damping oil jar and oil cup, without external pipe, no need of supplying pressure by hydraulic station.

» Standards Compliance: ASME B16.34, API 594, API6D 

» Construction: Spring Loaded 

» 3.Face to Face Dimension: API 594, API6D 

» 4.Inspect & Test: API 598/6D 

» Size Range: 2" to 42"N. B 

» Pressure Ratings: ANSI150, 300, 600, 900 & 1500 

» Materials Available in: WCB, LCB, CF8, CF8M, CF3, CF3M, WC6, WC9, 

C5, C12 or Equivalent, Available also in low temperature steels, low alloy steels, stainless steels, duplex steel


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Company Profile
Vatac Vango Valves (Wenzhou) Corp is one of the best China steam trap, check valve, knife gate valve, flow control valve, trunnion ball valve, stainless steel check valve, electromagnetic flowmeter, metal expansion joint manufacturers and suppliers, as a company, our professional factory can always produce products at both good quality and price.
Contact Us
Address: Dongfang Industrial Zone, Oubei, Wenzhou, Zhejiang, China
Tel: 86-577-6796-2190  Fax:86-577-6796-2193
E-mail:vatac@cnvchina.com
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