CHECK VALVE SWING DUCTILE IRON/ WCB DN40- DN600

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Details

Standard or Nonstandard:	Standard	Structure:	Check	Pressure:	High Pressure
Power:	Hydraulic	Material:	Casting	Temperature of Media:	High Temperature
Media:	Water	Port Size:	Flanged	Place of Origin:	China (Mainland)
Model Number:	CVE	Brand Name:	CMAX	Application:	General
Design Standard:	BS EN 593	Color:	bule/red/customized	Connection Ends:	BS EN 1092 PN 10/PN16
Temperature:	-29°~+425°	Port size:	NPS 2"-42"	Working Pressure:	PN10/PN16
Temperature Pressure:	0℃ to 80℃	Coating:	Fusion Bonded Epoxy	Operation type:	water
Surface:	Powder coating/Acid pickling/Paint

Packaging & Delivery

Packaging Details: Standard export package or as per your requirements
Delivery Detail: 25 days from date of order

Technical Date		Material Specification
Nominal Diameter	DN40-DN1000	Valve Body	Cast Iron or Ductile Iron
Nominal Pressure	PN10/PN16	Valve Disc	Cast Iron or Ductile Iron or Stainless Steel
Operation Temperature	-40°C~225°C
Flange Driling Standard	EN 1902-2 PN10/16	Seal Material	EPDM OR NBR
Suface Treatment	Painting	Valve Spring	Stainless Steel

CHECK VALVE SWING DUCTILE IRON/ WCB DN40- DN600

Q: Can the check valve be horizontally installed?: Lift check valve can be divided into straight through and vertical two. Straight through lift check valve can only be installed in horizontal pipe, vertical lift check valve is usually installed in vertical pipe.

Q: The difference between the micro and slow closing check valve and the silent check valve: Noise check valve is to rely on the flow of the media itself and automatically open and close the valve, used to prevent the media back of the valve, also known as check valve, one-way valve, noise check valve, reverse flow valve, and back pressure valve. The check valve belongs to an automatic valve, whose main function is to prevent the backflow of medium, prevent the reverse of pump and drive motor, and release the container medium. The check valve can also be used to provide a supply to the auxiliary system where the pressure may rise above the system pressure. The check valve can be mainly divided into swing check valve (rotating by gravity center) and lift check valve (moving along the axis).

Q: Should the kitchen check be mounted on the wall or on the hood?: Buy their own check valve is generally in the wall of the hole, the hood of the smoke machine, usually with a check valve.

Q: Why is the check valve necessary? Why should it be checked back?: Check valve, also known as one-way valve, is designed to prevent liquid, gas and other substances backflow design valve.

Q: Can the check valves fit two in one tube? One up, the other down: Launching, then you'd like to have a Sheung Shui at the front of the Sheung Shui

Q: How can the check valve be distinguished from the cut-off valve?: Turn on and off. Is the cut-off valve, can not turn off, open, automatic, in the middle of a plate will move, that is, check valve

Q: What type of check valve is the h61y-40 check valve?: Two, swing check valve: the valve swing check valve cylindrical disk-shaped, around the seat of the shaft for rotation channel, because the valve channel into a streamlined, flow resistance than the small valve lift check, suitable for large caliber occasions in low flow and no flow frequently change, but not for the pulsating flow, the sealing performance is less than lift. Swing check valve is divided into single, double, and most types of three, the three forms mainly by the valve bore points, the purpose is to prevent the media to stop flow or reverse flow, weakening the hydraulic impact. Three, compression type check valve: This valve is used as boiler water supply and steam cutting valve, it has lift check valve and stop valve or angle valve comprehensive function. In addition, there are - some do not apply to pump outlet check valve is installed, such as valve, spring-loaded check valve, Y type check valve check valve. Four disc check valve: disc check valve around the pin rotation in the valve seat.

Q: How to control the common flue return and smoke return?: Regular developers submitted, the flue port has installed a check valve for the owners,It is usually closed, and only when the smoke exhauster exhaust smoke will make the check valve open.In addition to the function of the check valve to prevent flue gas recirculation, each hood has a check valve. If you look carefully, you will see that there is a two piece fan at the exit of the smoke machine, which can only be opened in one direction. Its function is the same as the check valve in the flue.Therefore, in fact, there are two soot hoods to prevent smoke from building. Even the first one is broken, and the second are equally effective.Therefore, you can find the reason, whether the check valve two are all broken.

Q: Only one is a soft seal and one is hard sealed: Swing check valve is a check valve, the structure of the valve for the rotation of the axis of the general term, rubber valve check valve is people's usual name for H44X, only a swing check valve

Q: What is the reason that the check valve does not stop water?: 1, the valve at both ends of the road must be blocked, there is dry ventilated room. Such as long-term storage, should always check rust corrosion.2, the valve should be cleaned before installation and eliminate the defects during transportation.3, the installation must be carefully checked on the valve signs and nameplates are in line with the use of requirements.

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