Standard or Nonstandard:
Temperature of Media:
Place of Origin:
Tianjin China (Mainland)
ANSI;DIN ;BS ;JIS;GB
Cast Iron or Ductile Iron
Cast Iron or Ductile Iron or Stainless Steel
Flange Driling Standard
EN 1902-2 PN10/16
EPDM OR NBR
Portable water, water distribution service & feed lines, sewage disposol, irrigation, fire protection pipe systerm, etc.
Nominal diameter: DN50–DN2000
Valve Design: MSS-SP81
Flange Standard: ANSI;DIN ;BS ;JIS;GB
Test Standard: MSS-SP81;API 598;
Nominal Diameter DN
Nominal Pressure PN
Cement, Paper Pulp,Sewage,Water, Oil etc.
- Q:What is the working principle of the flue check valve?
- The utility model relates to a flue check valve, which belongs to an automatic valve, and the main function of the utility model is to prevent the backflow of oil smoke, and only to flow in one direction, and to prevent the airflow from flowing in opposite directions.Simon common flue check valve is the use of aerodynamics and mechanical principles of lever machinery, the use of South Korea's imports of high-quality ABS LG engineering materials for the material.
- Q:Check valve h44h-25p what does that mean?
- H- check valve code4- flange connection4- rotary single structureH sealing material is Cr13 stainless steel25-25 kg pressure 2.5MPaP- stainless steel 304
- Q:How to install fire fighting pipe and flue fire check valve?
- 4, the installation of flue should each layer as bearing, bearing steel 2 root diameter over 14mm?.5, after the installation of the flue, in each flue check valve of the reserved installation of fire type flue check valve, with special glue mixing cement, coated with a check valve installed in the valve hole edge, and then back to the reservation in check at.6, the construction should be reserved at all levels of the hole, covered with a cover plate, to ensure safety in construction, to prevent construction waste fall into the flue.
- Q:What's the difference between the check valve and the stop valve?
- Check valves are used to automatically stop liquid backflow,Stop valve is used in the pipeline to cut off the liquid feed, manual or motorized valve.
- Q:Check valve and check valve
- The name is not the same, there is a check valve, there are video instructions, you can search the "Simon check valve.""
- Q:How to use the check valve when the size of the pressure?
- When using check valves, the magnitude of the pressure shall correspond to the pressure level of the pipe
- Q:What is the structure of the check valve of the screw air compressor?
- Screw air compressor check valve has two kinds: one is to open pressure, one is no need to open the pressureIn the screw compressor, there are generally several places with check valve: intake valve, main engine exhaust, oil return check valve, minimum pressure valve.The check valve is a one-way flow principle
- Q:How to install the water pipe check valve?
- Check valves are normally installed at the pump's exit position!Check valve, also known as check valve, the specific installation needs to determine the direction of the pipeline!
- Q:How many kinds of check valves should be used?
- Medium for water, steam, gas, corrosive media, oil, food, drugs and so on. The medium operating temperature range is between -196~800 degrees centigrade.Swing check valves are installed in an unrestricted position, usually installed on a horizontal pipe, but can also be mounted on a vertical or inclined pipe.Butterfly check valve is suitable for low pressure large diameter, and installation occasions are limited. Because the butterfly valve of the working pressure can not be high, but the public can be large, can reach more than 2000mm. But nominal pressure is below 6.4Mpa. Butterfly check valve can be made into pairs, generally installed in the pipeline between the two flanges, using the form of clamp connection.Butterfly check valves are installed in an unlimited position and can be mounted on horizontal or vertical or sloping lines.Diaphragm type check valves are suitable for pipes that are prone to water hammer. The diaphragm can eliminate the water hammer produced by the medium counter flow. As the diaphragm type check valve operating temperature and practical pressure by the diaphragm material restrictions, generally used in low-pressure, temperature pipe, especially for the water pipeline. General medium temperature between -20~120 degrees, the work pressure of less than 1.6Mpa, but diaphragm type check valve can do larger caliber, DN maximum can be more than 2000mm.
- Q:The working principle and structure description of the mute check valve
- Slow closing check valve and check valve or check valve, its role is to prevent the media back in the pipeline, its working principle is as follows: first, the role of principle: moving through the cylinder plug on the valve flap, assist the rapid opening and closing to the sealing surface two, structure 1 structural forms: swing type 2 single disc drive mode: 3 butt welding connection: open and closed by a pneumatic device to control the butt welding of the 4 valves, speeding up the valve opening and closing speed.
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