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API 6D BALL VALVE FOR DNO PROJECT Feb 18 , 2022
STAVAL VALVE SUPPORT DNO PROJECT 4In 150LB ball valve pass STAVAL Quality Control team inspection, ready to DNO project. BODY/BONNET: A216 WCB, BALL: A182 F6A, STEM: A182 F6A, SEAT: RPTFE, GEAR BOX OPERATION Ball valve operation and use suggestion: 1) Make sure that the pipeline and valve have been flushed before operation. 2) The operation of the valve drives the valve stem to complete rotation a...
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Corrosion And Protection Of Valve Body Feb 17 , 2022
Corrosion And Protection Of Valve Body Valve housing includes valve body, valve cover, etc., which occupies most of the weight of the valve and is in constant contact with the medium. Therefore, the selection of valves is often based on the material of the valve housing. There are two forms of corrosion of the shell, namely chemical corrosion and electrochemical corrosion. Its corrosion rate depen...
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Globe Valve also Called Cut-Off Door Feb 17 , 2022
Globe Valve also Called Cut-Off Door The stop valve, also called the cut-off valve, is one of the most widely used valves. The reason why it is so popular is that the friction between the sealing surfaces is small during the opening and closing process, which is relatively durable, has a low opening height, and is easy to manufacture. , Easy maintenance, not only suitable for medium and low pressu...
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Y-type filter Intallation Sep 03 , 2021
Installation skills of Y-type filter Y-type filter is an indispensable device in the pipeline conveying medium. It is installed at the inlet end of pressure reducing valve, pressure relief valve, constant water level valve or other equipment. It is a small equipment used to remove a small amount of solid particles in the liquid, which can protect the normal operation of the equipment. When the flu...
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How Strainer with Magnetic Bar Working Jul 12 , 2021
How Magnetic Filter Working Magnetic filter (strainer): it is mainly used to separate fine iron filings from liquid medium to meet the process requirements of liquid medium. Advantages of magnetic filter (strainer): In the process of liquid slurry transportation, when the slurry passes through the filter, the iron impurities in the slurry are adsorbed on the magnetic rod sleeve, which greatly redu...
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What is the Top Entry Ball Valve Jul 12 , 2021
What is Top Entry Ball Valve Top Entry ball valve is suitable for natural gas pipeline, the valve body is integrated, reducing dew point, convenient maintenance, advanced technology, high acceptance pressure and wide range of use. The valve body is made as a whole, and a valve cover is arranged on the upper part of the valve body. The valve seat, ball, sealing ring, etc. are installed from the upp...
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Why Cryogenic Valves Design For Extended Bonnet Jun 30 , 2021
Why Cryogenic Valves Design For Extended Bonnet The valve suitable for medium temperature -40℃～-196℃ is called cryogenic valve, and this kind of valve generally adopts extended bonnet. The extended bonnet is used to specify cryogenic valves including cryogenic emergency shut-off valves, cryogenic stop valves, cryogenic check valves, LNG special cryogenic valves, NG special cryogenic valves, etc., ...
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Installation of Inspection of forged steel valves Jun 07 , 2021
Instructions for installation and use of forged steel valve 1. The handle of all kinds of manual valves installed on the insulation pipeline shall not be downward. 2. The installation position, height, inlet and outlet direction must meet the design requirements, and the connection should be firm and tight. 3. The appearance inspection must be carried out before the forged steel valves is installe...
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