Globe Valve

WCB Globe Valve Pressure: Class150-600 Size: 1/2”-24” Temperature: -29-425℃ Connect Type: Flange Material: Cast steel, Stainless steel Media: water, gas, oil Function: Shutoff Operation: Handwheel, Ge

Bellows sealed globe valve introduced advanced foreign technology, using double bellows design, welded to the valve stem to maintain stable operating performance, avoid the valve vibration caused by valve plug vibration. At high temperature, the stem does not touch the medium to ensure zero leakage of the stem. At the same time ensure enough strength and toughness, can switch tens of thousands of times. The handwheel is ergonomically designed, with longer service life and easy and convenient operation. The opening and closing of the bellows cut-off valve is a plug shaped valve. The seal face is flat or cone, and the valve is moving straight along the center line of the fluid. It is the most widely used valve. It is popular because of the small friction between the sealing surfaces in the process of opening and closing, which is relatively durable, the opening height is small, the manufacturing is easy, and the dimension is easy to make. It is convenient not only for medium and low voltage but also for high voltage. Widely used in food, medicine, petroleum, chemical industry, natural gas, iron and steel, environmental protection, papermaking and other transportation pipelines to cut off or circulate medium.

The stop valves opening and closing part is a plug-shaped disc. The sealing surface is flat or conical. The disc moves linearly along the center line of the valve seat. The movement form of the valve stem can also be used to control the flow of air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive media. This type of shut-off valve is very suitable for shut-off or regulation and throttling. Because the opening or closing stroke of the valve stem is relatively short, and it has a very reliable cut-off function, and because the change of the valve seat opening is directly proportional to the stroke of the valve disc, it is very suitable for regulating the flow.

Forged Steel Globe Valves is a common cut-off valve, mainly used to connect or cut off the medium in the pipeline, generally not used to regulate the flow rate. The cut-off valve is suitable for the pressure and temperature range. This valve is suitable for small diameter pipes. The sealing surface is not easy to wear and scrape. The sealing performance is good. When the valve is opened and closed, the valve stroke is small, the opening and closing time is short, and the height of the valve is small.

The Flanged End Globe Valves is a forced seal valve, so when the valve is closed, pressure must be applied to the disc to force the sealing surface to leak. When the medium enters the valve six under the valve disc, the resistance that the operating force needs to overcome is the friction force of the stem and the filler and the thrust of the pressure from the medium. The force of the valve is larger than the opening of the valve, so the diameter of the stem is large, otherwise the valve stem bending will occur.

When the globe valve is opened, the opening height of the disc is 25% to 30% of the nominal diameter, and the flow rate has reached the maximum, indicating that the valve has reached the full open position. Therefore, the full opening position of the globe valve shall be determined by the stroke of the disc. Valves of this type should be installed horizontally in pipes. The globe valve has the advantages of simple structure, convenient manufacture and maintenance, small working stroke, short opening and closing time, good sealing performance, small friction force between the sealing surfaces and long service life.

Y Type Globe Valves is suitable for cutting or connecting medium on the pipes of various working conditions such as the nominal pressure of PN1.6 to 6.4Mpa, the working temperature of -29 to 550Degree C, such as oil, chemical, pharmaceutical, chemical fertilizer, electric power industry and so on. Suitable medium is water, oil, steam, acid medium, etc. The operation methods are: manual and pneumatic.

The forged bellow sealed globe valve main fire station for a variety of systems, cut off or connected piping media. The valve and other valve products than is characterized by high temperature and high pressure, the unique self seal design, the higher the pressure, the more reliable seal. Due to the special properties of technical characteristics, conditions of formation of the products can not be replaced by other product characteristics.

The Forged Cryogenic Globe Valves refers to the valve that the shut-off valve (valve) moves along the center line of the valve seat. According to the moving form of the disc, the change of the valve seat opening is proportional to the valve stroke. Because the valve stem opening or closing the stroke is relatively short, and has a very reliable cutting function, and because the change of the valve seat opening is proportional to the stroke of the valve, it is very suitable for the adjustment of the flow. Therefore, this type of valve is very suitable for cutting or regulating and throttling use.