Factory Price Dn125 Dn150 Dn250 Dn300 Butterfly Valve - Micro Resistance Slow Closing Check Valves – CVG

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With advanced technologies and facilities, strict quality control, reasonable price, superior service and close co-operation with customers, we are devoted to providing the best value for our customers for Single Flanged Butterfly Valve, Butterfly Valve Lug, Api Butterfly Valve, As a key enterprise of this industry, our corporation makes attempts to become a leading supplier, depending on the faith of expert excellent & throughout the world assistance.

Factory Price Dn125 Dn150 Dn250 Dn300 Butterfly Valve - Micro Resistance Slow Closing Check Valves – CVG Detail:

Features
▪ Adjustable switching time.
▪ Valve closing mode: quickly and slowly close.
▪ Double offset structure Disc, reasonable valve opening and closing movement.
▪ All metal sealing pair and wear-resistant rubber sealing pair, with long service life, maintenance free and replacement free.
▪ For the valve cavity structural elements related to the flow resistance characteristics, the geometric elements are determined by using the principle of hydrodynamics to reduce the flow resistance and save energy.
▪ Good valve closing performance which effectively prevent the occurrence of destructive water hammer.
▪ The disc / valve stem can be opened and closed flexibly without jamming.
▪ The selection and matching of friction pair materials, the design of sealing structure and installation orientation can ensure that the rotating parts such as disc / valve stem can maintain good rotation performance for a long time.
▪ The simplicity, accuracy and safety of user operation and maintaining good product performance.
▪ Short structure length and light weight.

▪ Test pressure:
Shell Test Pressure 1.5 x PN
Seal Test Pressure 1.1 x PN

Material Specifications

Part	Material
Body	Carbon steel, ductile iron
Disc	WCB
Stem	2Cr13
Sealing Ring	Buna-N, EPDM, FKM
Cylinder Piston Ring	Alloy cast iron
Other required materials can be negotiated.

Structure

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Application
▪ This check valve is a new type of waterproof hammer energy-saving product with vertical or inclined valve seat, double offset disc, all metal sealing pair and wear-resistant rubber sealing pair, overflow element with channel fluid and oil pressure slow closing device, which can close the valve in fast / slow stages.
▪ The valve can save energy obviously in operation. When the pump is normal or the pump is stopped in case of sudden power failure, it can effectively prevent the backflow of water body and the occurrence of destructive water hammer.
▪ It’s widely used in petrochemical, power metallurgy, urban water supply and drainage and other pipeline systems.

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Based on domestic market and expand abroad business is our enhancement strategy for Factory Price Dn125 Dn150 Dn250 Dn300 Butterfly Valve - Micro Resistance Slow Closing Check Valves – CVG , The product will supply to all over the world, such as: Italy, Iran, Liberia, Many goods fully conform to the most rigorous of international guidelines and with our first-rate delivery service you will have them delivered at any time and in any place. And because Kayo deals in the entire spectrum of protective equipment, our customers don't have to waste time shopping around.

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