Ductile Iron Check Valve DN1400 Quality Guarantee China

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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

Standard or Nonstandard:	OEM	Structure:	Check	Pressure:	High Pressure, Low & high pressure
Power:	Manual	Material:	Casting, Ductile iron	Temperature of Media:	Medium Temperature
Media:	Water	Port Size:	2"-48"	Place of Origin:	Shanxi, China (Mainland)
Model Number:	WINDUS-BV-160409416	Brand Name:	WINDUS	Application:	General, Industry & Metropolis water treatment
Product name:	API 594 Cast Iron Double Door Wafer Check Valve	Dimension Range:	3"~48"	Certification:	UL, NSF61
Testing equipment:	Hydrolic testing machinging	Process:	Sand casting, machining, rubber lining	Port:	Tianjing, qingdao, Dalian,Shanghai
Place of Origin::	Shanxi, China (Mainland)

Packaging Details:

Plywooden case, metal pallet, iron frame

API 594 Cast Iron Double Door Wafer Check Valve

Type	API 594 Cast Iron Double Door Wafer Check Valve
Material	Body: gray iron ASTM A126 class B, ductile iron (optional) ASTM A536 grade 65-45-12 Disc:Stainless steel, AL Bronze alloy, ductile iron Seat: EPDM, buna-N
Main Process	Resin sand casting
Surface finish	Epoxy paint
Heat treatment	NONE
Weight Range	10~200 kg
Dimension Range	2"~48"
Application	Industry & Metropolis water treatment
Certification	UL, NSF61
Packing Detail	plywood box
Delivery time	30 days after order
Equipment	NC Lathing machine, NC Boring machine, Drilling machine
Testing equipment	Hydrolic testing machinging
Inspection	hydro test, shell test, seal test
Production capacity	10/60/100
Market	US
MOQ	1
Port	TianJing,qingdao,shanghai,beijing

Ductile Iron Check Valve DN1400 Quality Guarantee China

Q: The working principle and structure description of the mute check valve: 1, when the medium according to the provisions of the direction of flow, the valve by the media force, is open; the medium back, due to weight and disc valve by the medium reverse force, so that the sealing surface of the valve flap and valve seat sealing and closed, to prevent the media counter to.2, the body and valve sealing surface using stainless steel surfacing.3, the length of the valve according to the provisions of GB12221-1989, flange connection size according to the provisions of JB/T79-1994.

Q: There is a check valve at the inlet of Haier electric water heater to prevent water from flowing back. Because there are many hot water used in the house, should the hot water be fitted with check valve?Can the hot water outlet be fitted with check valves? The hot water pipe is too long for hot water to flow back into the heater... Is it possible to install two check valves to affect the normal use of the heater?: No check valve can be installed. The check valve needs a certain amount of pressure to open. It may cause hot water flow or little hot water.

Q: Ball shaped sewage check valve pictures and working principle of the structure.: Check valve refers to rely on the flow of the media itself and automatically open and close the valve flap, used to prevent media backflow valve, also known as check valve, one-way valve, counter 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.

Q: What are the types of check valves?: The check valve is divided into three kinds: lift check valve, swing check valve and butterfly check valve:1. lift check valve is divided into two types of vertical and horizontal.2. swing check valve is divided into single, double flap and multi flap type of three.3. butterfly check valve is straight through type.The above types of check valves can be classified into thread connection, flange connection, welding connection and clamp connection in connection forms of four kinds.Texture of material1. cast iron check valve2. brass check valve3. stainless steel check valve4. carbon steel check valve

Q: How many kinds of structure are there in the check valve?: 1. The structure of the lift check valve is similar to that of the globe valve. Its valve moves up and down along the central line of the channel. The action is reliable, but the resistance of the fluid is large. It is suitable for small caliber occasions. The lift type check valve has an air passage type

Q: Should the flue check valve be made by the civil team or the installation team?: Internal construction, check the inner ring outside the cement glue installed

Q: What does the check valve "H44Y-160" mean?: H check valve, 4 flange connection, 4 spiral structure, Y sealing hardfacing alloy. 160 nominal pressure 16MPa

Q: Fire hood fire check valve okay?: The utility model relates to a fire fighting check valve for a range hood, which belongs to an innovative product and can be used.

Q: Can the exhaust air outside the wall be fitted without a check valve?: What you are talking about is the backflow blower of the exhaust fan. This is usually installed. It is a method of preventing the air stream from returning under the condition that the fan stops running. If your fan is only a common wall exhaust, you can not install it, but if it is a discharge of air pollution or dilution of dangerous air flow, then advise you to install it as well.

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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