high quality ductile iron cast iron flanged swing check valve

Ref Price:
$30.00 - 200.00 / set
Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
50 set
Supply Capability:
4000 set/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:

Bell

Brand Name:

CMAX

Application:

General

Name:

high quality ductile iron cast iron flanged swing check valve

Connection:

Flange

Temperature:

425

Standard:

GB,BS,ANSI,JIS,DIN,etc

OEM:

Acceptable

Color:

Customized

Certification:

ISO,CE

Warranty:

12 month

  
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:

Bell

Brand Name:

CMAX

Application:

General

Name:

high quality ductile iron cast iron flanged swing check valve

Connection:

Flange

Temperature:

425

Standard:

GB,BS,ANSI,JIS,DIN,etc

OEM:

Acceptable

Color:

Customized

Certification:

ISO,CE

Warranty:

12 month

  

Product Feature:

1, the disc lift check valve disc, seat around tunnel axis rotation, due to the channel into a streamline in the valve, flow resistance is smaller than l butterfly check valve, suitable for low velocity and flow not often change the large diameter of occasions, but should not be used for oscillating flow, its sealing performance than lift.Butterfly check valve points single type, double disc type and for the most part three, the three forms mainly by the valve diameter, the purpose is to prevent the backflow medium flow or stop, decrease hydraulic shock.

2, lift check valve: disc revolve around pin in the seat of the check valve.Disc check valve has simple structure, can only be installed in horizontal pipe runs, sealing is good.
3, lift check valve: disc sliding along the center line of the body of the valve.Pipeline check valve is a new kind of valve, its small size, light in weight and good processing technology, is one of the check valve development direction.But the fluid drag coefficient is slightly superior to swing check valves.

high quality ductile iron cast iron flanged swing check valve

Main performance parameters:
Nominal pressurePN1.6/2.5/4.0Mpa
Suitable temperature425
Applicable mediumWater, oil, gas, corrosive medium, etc
Main componentsvalve body, valve cover, valve, gasket
main materialCast iron, ductile iron, carbon steel, stainless steel
TypeDN(mm)Dimension(mm)
LDD1D2z-ΦdH
HH41W-16Y151309565454-Φ1490
2015010575554-Φ14105
2516011585654-Φ14115
32180135100784-Φ18120
40200145110854-Φ18130
502301601251004-Φ18140
652901801451204-Φ18150
803101951601358-Φ18170
1003502151801558-Φ18185
1254002452101858-Φ18195
1504802802402108-Φ23225
20060033529526512-Φ23250
25065040535532012-Φ25270
30075046041037512-Φ25300
HH41W-25Y151309565454-Φ1490
2015010575554-Φ14105
2516011585654-Φ14115
32180135100784-Φ18120
40200145110854-Φ18130
502301601251004-Φ18140
652901801451208-Φ18150
803101951601358-Φ18170
1003502301901608-Φ23185
1254002702201888-Φ25165
1504803002502188-Φ25225
20060036031027812-Φ25250
35065042537033512-Φ30270
30075048543039016-Φ30300
HH41W-40Y151309565454-Φ1490
20150105875554-Φ14105
2516011585654-Φ14115
32180135100784-Φ18120
40200145110854-Φ18130
502301601251004-Φ18140
652901801451208-Φ18150
803101951601358-Φ18170
1003502301901608-Φ23185
1254002702201888-Φ25195
1504803002502188-Φ25225
20060037532028212-Φ30250
25065044538534512-Φ34270
30075051045040816-Φ34300

high quality ductile iron cast iron flanged swing check valve

 

 

 

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Q:How many kinds of check valves should be used?
Check valve applies to the occasionThe purpose of the utility model is to prevent the backflow of the medium, and the half of the utility model is provided with a check valve at the outlet of the pump. In addition, a check valve shall be installed at the outlet of the compressor. In a word, check valves shall be installed on the equipment, installations or pipelines to prevent the flow of the medium.Generally in the nominal diameter of 50mm horizontal pipelines are selected vertical lift check valve. Straight through lift check valves can be installed on both horizontal and vertical lines. At the end of the valve is generally installed in the vertical pipe of the pump inlet, and the bottom-up flow of media.Swing check valve can be made at a high working pressure, PN up to 42Mpa, and DN can also do great, maximum up to 2000mm or more. Depending on the material of the housing and the seal, any working medium and any operating temperature range can be applied.
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: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:How many kinds of structure are there in the check valve?
3 butterfly check valve structure similar to butterfly valve, its structure is simple, flow resistance is small, water hammer pressure is smaller;4, diaphragm type check valve has a variety of forms, are used as the opening and closing the diaphragm, due to its good waterproof performance, simple structure, low cost, rapid development in recent years, but the use of diaphragm valve temperature and pressure by the diaphragm material limited;
Q:What are the differences between the vertical check valve and the horizontal check valve in function and principle?.
First of all, the outward appearance of the vertical check valve flow direction, that is, the direction of check valve installation is vertical to the horizontal direction. The horizontal check valve is horizontal.
Q:What can I do with the lift check 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.
Q:How can the check in the faucet prevent water from flowing backwards?
Not to prevent backflow, is able to quickly shut the water, for triple bathtub, can effectively stop the conversion between the bath and small shower water, there is a spring, when the water pressure will be water, a small amount of Water Leakage was shut up
Q:Does the check valve differ in front of the water meter and press it behind the water meter?
Check valve is mainly to prevent water backflow, backflow, easily lead to water damage
Q:Which side of the gate is the fire check valve in the pump room?
The check valve is installed between the shock absorbing flexible joint and the water outlet control valve at one side of the water outlet pipe of the water pump
Q:What is the function of the check valve on the air compressor?
Check valve is also called one-way valve, air will not go in only, can protect the air compressor host, if the air compressor main machine does not stop, you can not check valveIf it starts frequently, it must be loadedCheck valve bad consequences: motor overload, burn the host top off

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