Sizes: DN100 - DN800
Pressure: 1.6 - 6.4MPa
Suitable temperature: <80 C
Constant Head Check Valve
Sizes: 4“ - 48"
Pressure: 1.6 - 6.4MPa
Suitable temperature: <80°C
|aterial list(CN standard):|
|NO.||Part Name||Carbon Steel Series||Stainless Steel Series||Alloy Steel Series||Low-temperature Steel Series|
|3||Washer|| Flexible graphite+ss304|| Flexible graphite+ss304|| Flexible graphite+ss304|| Flexible graphite+ss304|
|Design Standard||GB/T 12235|
|Temperature Pressure Rating||GB/T 12224|
|Structural Length||Factory Standard|
| Flange Dimensions||GB/T 9113,GB/T 79|
|Inspection and Test||JB/T 9092,GB/T 13927|
|Test Pressure(Mpa)||Body Test||2.4||3.75||6.0 ||9.6||15.0 ||24.0 |
|High Pressure Seal||1.76||2.75||4.4||7.04||11.0 ||17.6|
|Low Pressure Seal||0.6||0.6||0.6||0.6||0.6||0.6|
|Applicable temperature||-196°C~550°C(Differeent temperature use different material)|
|Applicable Medium||water,gas,oil and corrosive media(different media use different material)|
|Quick Details|| || || || || |
| || || || || || |
|Standard or Nonstandard:|
Carbon Steel, Stainless Steel
|Temperature of Media:|
Water, Oil, Gas etc.
|Place of Origin:|
Hebei, China (Mainland)
Lift Check Valve
DN15~900,NPS 1/4 ~36
PN1.0-16.0MPa,ANSI CLASS 150-900,JIS10-20K
Flange, butt welding, thread, socket welding, the clamp, etc
|Valve Body Material:|
Water, Oil, Gas etc
| || || || |
Petroleum, chemical industry, pharmacy, fertilizer, power industry etc.
1.Lift check valve is self-sealing valve. The disc can be acted by the flow which can protect against the media flow back.
2.The disc with spring can keep the valve work in any direction.
3.Reasonable structure, reliable sealing, excellent performance and attractive appearance make a TKFM valve.
- Q:What's the difference between check valves and non-return valves?
- Check valves are check valvesThe check valve is only a one-way start and stop valve to prevent the flow of fluid medium on all kinds of pipelines or equipment.Check valves are widely used and come in many different types,The following is a common check valve for water supply and heating:1, spring: the liquid from the bottom up, rely on the pressure spring controlled valve,After the pressure disappears, the spring force presses down the disc and seals the liquid back.Often used in the smaller diameter check valve.
- Q:Assembling process of clip type check valve
- Among them, the stainless steel clip check valve belongs to this type of valve, which includes swing check valve and lift check valve. The swing check valve has a hinge mechanism and a gate like valve free against the inclined seat surface. In order to ensure that the valve can reach the appropriate position of the seat surface at any time, the disc is designed in the hinge mechanism so that the disc has enough swing space to make the disc real and comprehensive contact with the valve seat. The disc can be made of either metal or leather, rubber, or synthetic coverage, depending on performance requirements.
- Q:Which type of check valve should be selected for vertical pipes?
- The check valve on the vertical pipeline shall ensure that the spool goes back to its position when the fluid is stationary and reversed.Optional:Butterfly check valves, pipes of low pressureVertical lift check valve, high pressure resistance, good tightnessSwing check valve: flow must be from the next up, the pipe diameter is unlimited
- Q:Is the hdf41x 1.6Mpa a check valve?
- Backflow prevention device according to tap water supply equipment, especially drinking water pipe back to serious pollution, and effectively prevent the pollution device under the condition of a strictly limited hydraulic control assembly pipeline water only one-way flow of development, its function is to prevent backflow pipeline media in any condition, in order to avoid the purpose of backflow pollution.
- Q:What does the check valve h44t-16 mean?
- Flanged swing check valve [H stands for check valve, 4 represents flange, 4 represents structural form (swing type), T represents internal copper alloy, and 16 represents pressure 16 pressure. I hope it will help you
- Q:The difference between the plunger type check valve and the lift check valve
- The two elastic seals are separated by a collar and secured to the sealing ring around the plunger by the load exerted by the valve cover nut on the valve cover. Elastic ring can be replaced, you can use a variety of materials, the valve is mainly used for "open" or "off", but with a special form of plunger or special ring can also be used to adjust flow.
- Q:What are the differences between the vertical check valve and the horizontal check valve?
- The structure principle is the same, but the cost and volume are different, there is nominal pressure difference, the use place is different
- Q:To prevent water meter rotation, where should the check valve be installed?
- Place it at the top of the water meter, as you can see, near the valve
- Q:How does the check valve work?
- Only one-way flow, blocking the valve seal, liquid can not be returned.
- Q:What is the function of the check valve?
- 1. Check valve function: prevent backflow of medium, prevent pump and drive motor reverse, and discharge of container medium.2, check valve refers to rely on the flow of the media itself and automatically open and close the valve, used to prevent the media back of the valve, also known as check valve, one-way valve, counter flow valve, and back pressure valve. The check valve belongs to an automatic valve.3, check valve according to the structure of the division, can be divided into lift check valve, swing check valve and butterfly check valve three:Lift check valve is divided into two types of vertical and horizontal.Swing check valve is divided into single, double valve and multi flap type of three.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.4, check valve (Check, Valve) installation should pay attention to the following mattersA do not allow the check valve to bear weight in the line, and the large check valve shall be independently supported so as not to be affected by the pressure generated by the piping system.B, when installing, pay attention to the direction of the flow of medium should be in accordance with the direction of the body marked arrow.C and vertical vertical check valves shall be installed on the vertical pipe.D and lift type horizontal check valves shall be installed on horizontal pipes.
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