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:Check valves - check valves - what's the difference between one-way valves?: 3, swing type: liquid in the valve straight through, relying on the pressure to open the side of the rotating valve flap, after the loss of pressure, the valve depends on the weight back, the reverse of the liquid pressure closed valve. Other one-way valves (check valves), such as the sewage check valve, air defense explosion-proof valve and liquid use of the principle of the check valve is very similar

Q:Check valve symbols?: The valve that prevents the backflow of the medium is called a check valve. Check valves belong to the automatic valve, mainly used for one-way flow of media channels, allowing only medium to flow in one direction, to prevent accidents.

Q:Above the flue that valve is called smoke exhaust valve or check valve, I heard there is a five anti exhaust valve: The names are different, and they are acceptable. Five, anti exhaust valve is unique to 10000, the first class of technical effects

Q:Assembling process of clip type check valve: The swing check valve is almost completely open and the fluid pressure is almost unimpeded, so the pressure drop through the valve is relatively small. The check valve of the lift check valve is located on the valve seat and the sealing surface of the valve seat. In addition to this valve disc is free to lift, like the rest of the cut-off valve, the fluid pressure valve from the valve seat sealing surface lift, medium return led down to the valve seat, and cut off the flow. Depending on the service conditions, the disc can be of all metal construction or in the form of a rubber pad or rubber ring on the valve frame. The same as the cut-off valve, lift check valve fluid through the channel is narrow, so the check valve by lifting the pressure drop than the swing check valve a little bigger, and swing check valve flow restrictions very little.

Q:Is the check valve and relief valve something?: Not the same thing!!! Installed on the water heater will not have too much money, less than 10 should be enough, but most of the water heaters are non - targets, may not be too good to match, you'd better go to a larger plumbing market

Q:Check valve H41T-16. What are the numbers and letters in it?: H stands for check valve, 4 stands for flange 1, and represents form 16 for pressure. This is cast iron lift check valve

Q:Can the check valve be used on the steam pipe?: The check valve can be used on the steam pipe, but only the right material.General steam pressure WCB, temperature and pressure with the then high chromium molybdenum steel. The inside of the valve should be taken into account, depending on the pressure difference.

Q:What is the difference between the check valve and the check valve?: The same thing, the different name, the appraisal finishedPrices vary greatly, probably due to specifications, material, performance and other differences

Q:What are the differences between different check valves applications? For example, is the fire pump outlet swing check valve or a silent check valve? According to 35How to recognize single wall corrugated pipe and double wall corrugated pipe? Which is better?.What's the use of the silent check valve? And the bellow problem below, is there no answer?: The application performance of the acoustic check valve only allows the medium to flow in one direction, and prevents flow in the direction. Usually the valve is automatically work, fluid pressure flow in one direction, the valve open; the opposite direction of fluid flow by gravity, fluid pressure and valve closing effect on the valve seat, thereby cutting off flow. Not suitable for medium containing solid particles and viscosity. The design of the check valve takes full account of the requirements of the use of the environment, and uses the inclined plate structure to achieve no vibration, no noise, stable operation, and ensure the quiet environment of the hotel and the residential environment, and has the effect of energy saving.

Q:I also calculate each pump check valve and gate valve?: The pump adapter itself does not include the gate valve and the check valve! Only when a group called pump adapter will include adapter, gate valve and check valve!If the pump adapter in the list of units for the group then all included and work content in clear note on the contents.If you do it alone, write out no items!

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