CHECK VALVE LIFT TYPE DUCTILE IRON DIN DN15- DN300

Ref Price:
$10.00 - 2,000.00 / pc
Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
1 pc
Supply Capability:
9999 pc/month

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Product Description:

Quick Details

Standard or Nonstandard:

Standard

Structure:

Check

Pressure:

Medium Pressure, 1.0Mpa, 1.6Mpa,2.5Mpa,4.0mpa

Power:

Manual

Material:

Casting, cast steel,WCB, stainless steel, ect.

Temperature of Media:

Normal Temperature

Media:

Water

Port Size:

DN15-DN300

Place of Origin:

Tianjin, China (Mainland)

Model Number:

CMAX

Brand Name:

CMAX

Application:

General

Name:

iron water lift check valve

Connection:

Flange

Temperature:

≤425

Standard:

GB,BS,ANSI,JIS,DIN,etc

OEM:

Acceptable

Color:

Customized

Certification:

ISO,CE

Warranty:

12 month

 

Packaging & Delivery

Packaging Details:

standars export wooden for Alibaba Bell DN100 adjustable cast iron water lift check valve

Delivery Detail:

20 days

 

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

Application

Portable water, water distribution service & feed lines, sewage disposol, irrigation, fire protection pipe systerm, etc.

 

 

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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:What's the use of the check valve?
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:Are the gate valves and check valves of the same type?
Not the same gate valve, it is a kind of opening and closing function (i.e. switch) of the valve, it is on the gate lifting and play the role of the switch, the switch is to be applied by external force (hand wheel, electric, pneumatic and hydraulic) it is not required to;
Q:What is the air pipe check valve?
One-way valve, one-way flow, to prevent negative pressure reflux.
Q:Is it necessary to install a check valve for household well pumping?
The filter screen is arranged at the water inlet check valve and is installed below the water pump
Q:The difference between the micro and slow closing check valve and the silent check valve
Another micro, slow, closed noise check valve, a little larger flow.Slow closing check valve, also known as check valve or check valve, its role is to prevent the medium back in the pipeline. The opening and closing parts depend on the flow of the medium and the power is turned on or off by itself. 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. This kind of valve should be installed horizontally in the pipeline.
Q:Back pressure valve and check valve difference
Oil is generally put into the wells of the check valve calling back pressure valveCheck valve is a general name, mainly lifting type and swing type.
Q:Is the check valve in or behind the gate valve? Why?
The exit of the general pump is the first soft connection (shock absorber), followed by the check valve, and then the partition valve (such as butterfly valve, gate valve, cut-off valve, etc.), this is not the final answer.The question is interesting, and no corresponding information has been found in the relevant standards. We have also discussed the related issues, but differences of opinion is relatively large, the advantages of 1, first installed check valve installed after the valve or butterfly valve, check valve, can be protected, especially in a parallel pump, when the pump does not start, another pump starts when the impact force is gate valve or butterfly valve bear, disadvantages: gate valve or check valve who will protect? There have been a case of butterfly valve is broken. 2, first installed gate valve or butterfly valve installed after the check valve, advantages: can protect the butterfly valve or gate valve, the impact on the check valve to bear. Disadvantages: check valve who will protect, check valve by pressure difference switch, if the high pressure high pressure pipe, pump, if the flow is not stable, so check valve will repeatedly switch, will affect the check valve life. Personal opinion: check valve, check valve performance now have changed, many are using the slow closing check valve, so the impact force is two aspects to bear, because exports are not fully open the valve or butterfly valve, so you can put in check after the gate valve or butterfly valve valve. If not the slow closing check valve installed in the valve or the best after the butterfly.
Q:Standard and specification for stop check valves
Design and manufacture: GB12235 structure length: GB12221Pressure temperature range: GB9131, JB/T74, HG20604Connection flange: JB/T79, GB9113, HG20592Test and test: JB/T9092, GB13927
Q:What is the function of the check valve on the air compressor?
It can cause damage to the compressor (usually called liquid hammer). Also, the exit may be frosted by returning air.

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