Ductile Iron Check Valve DN1400 Quality Guarantee China

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Min Order Qty:
200 set
Supply Capability:
4000 set/month

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Product Description:

Technical Date

Material Specification

Nominal Diameter


Valve Body

Cast Iron or Ductile Iron

Nominal Pressure


Valve Disc

Cast Iron or Ductile Iron or Stainless Steel

Operation Temperature


Flange Driling Standard

EN 1902-2 PN10/16

Seal Material


Suface Treatment


Valve Spring

Stainless Steel


Quick Details

Standard or Nonstandard:





High Pressure, Low & high pressure




Casting, Ductile iron

Temperature of Media:

Medium Temperature



Port Size:


Place of Origin:

Shanxi, China (Mainland)

Model Number:


Brand Name:



General, Industry & Metropolis water treatment

Product name:

API 594 Cast Iron Double Door Wafer Check Valve

Dimension Range:




Testing equipment:

Hydrolic testing machinging


Sand casting, machining, rubber lining


Tianjing, qingdao, Dalian,Shanghai

Place of Origin::

Shanxi, China (Mainland)

Packaging & Delivery

Packaging Details:Plywooden case, metal pallet, iron frame


API 594 Cast Iron Double Door Wafer Check Valve


TypeAPI 594 Cast Iron Double Door Wafer Check Valve
MaterialBody: 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 ProcessResin sand casting
Surface finishEpoxy paint
Heat treatmentNONE
Weight Range10~200 kg
Dimension Range2"~48"
ApplicationIndustry & Metropolis water treatment
CertificationUL, NSF61
Packing Detailplywood box
Delivery time30 days after order
EquipmentNC Lathing machine, NC Boring machine, Drilling machine 
Testing equipmentHydrolic testing machinging 
Inspectionhydro test, shell test, seal test
Production capacity10/60/100


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Q:What about boiler non-return valve without return?
First, overhaul, and two is to replace the valve, the other way
Q:Does FOTILE hood have check valve?
The range hood is now equipped with a check valve at the top, also called a check valve.However, no matter how high gear or general lampblack machine, the built-in check valve is not very tight.
Q:What is the function of the stop valve and check valve installed on the water supply pipe?
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 kind of check valve is used to prevent the return water?
You should be horizontal check valve, with pressure difference, water pressure is not lost; or a check valve inside where the card, must be a certain pressure to baffle back.
Q:What is the function of the ventilator's check valve?
The flue check valve refers to the automatic opening and closing valve plate, which is used to prevent the backflow of soot through the thermal flow of the range hood. It is also called the smoke back valve, the smoke prevention treasure and the flue isolator.
Q:What kind of valve does the check valve belong to?
1. check valves are automatic valves;2., if the valve is cast iron, can be cast iron valves; if the valve is cast steel, can be cast steel valves; of course, can also beIn copper valves, stainless steel valves,,,,,,,3., if used in steam, can belong to the steam 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:Installation position of household water meter check valve
It should be about 15 times before the table, about 300mm DN20.
Q:Is the check valve in or behind the gate valve? Why?
Pump outlet, check valve, gate valve.Gate valve plays a regulatory role, is the main pipe. Such a sequence can ensure that the water flow during power failure does not cause damage to the gate valve.
Q:What does the check valve "H64" and "H14" mean?
H check valve6 welding connection1 threaded connection4 swing check valveJB/T308-2004< valve type programming method >There should also be sealing surface material code and nominal pressure level

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