July 04, 2022

1, from the manufacturing materials speaking: Due to the wide variety of valve specifications, it is used in various fields of the national economy and its use situations vary widely, such as high temperature and pressure, cryogenic cryogenic, flammable and explosive, highly toxic and corrosive media and other working conditions, demanding the material of the valve Request. In addition to cast iron, carbon steel, alloy steel, but also extensive use of CrNi stainless steel, CrMoAl nitrided...

July 04, 2022

Butterfly valve, also known as flap valve, is a simple structure of the control valve can be used for low-pressure pipeline media control switch butterfly valve means the closure (valve flap or disc) as a disc, rotating around the valve shaft to open and close A valve that can be used to control the flow of various types of fluids such as air, water, steam, corrosive media, slurries, oils, liquid metals, and radioactive media. Mainly in the pipeline cut off and throttling effect. Butterfly...

July 04, 2022

Mechanical seal material calculation parameters First, the density 1,2 Cr13, 1Cr18Ni9Ti, 1Cr18Ni12Mo2Ti Density 7.9kg / cm³ 2. YG6, YG8, YN6, YN8 Density 14.9kg / cm³ 3. Silicon carbide density 3.2kg / cm³ 4. Polytetrafluoroethylene 2.2kg / cm³ 2. Weight calculation Unit: kg, mm) 1, Yuan steel weight calculation coefficient: diameter 2 × 0.0000062 × length 2, stainless steel ring forging weight calculation factor: (diameter 2 - diameter 2) × 0.000006758 × length (including 7% of the fire) 3,...

July 04, 2022

Clamp check valve, also known as counter-flow valve, check valve, back pressure valve, check valve. This kind of valve is automatically opened and closed by the force generated by the flow of the medium itself in the pipeline, which belongs to an automatic valve. Check valve for piping systems, its main role is to prevent media backflow, to prevent the pump and its drive motor reversal, as well as the container media release. Check valves are also used on lines where the pressure may rise to a...

July 04, 2022

j41h-16c valve material is what? j41h-16c h said the sealing material is Cr13 stainless steel, c said the valve body made of carbon steel. d343h butterfly valve connection is what? d343h butterfly valve connection is the flange connection. Valve h61f connection? Valve h61f connection is welded. What does j41y-c mean? j41y-c in the j said the cut-off valve, 4 said the valve connection is a flange connection, 1 said the cut-off valve structure is through the runner, y said the sealing material is...

July 04, 2022

v-type ball valve Features: The v-type ball valve is an advanced control valve with a right-angle swivel structure.V-type ball valve does not require long-term repair, long service life, to provide you with a truly high efficiency to control the process conditions of a valve. V-type ball valve with excellent adjustment characteristics, v-type pneumatic valve with approximately equal percentage flow characteristics and up to 300: 1 adjustable ratio, so V-ball valve in a wide range of sub-range...