Side magnetic flap level gauge
when installation need to connect to form within the measured container, two connecting pipe generally adopt the DN25 flange connection, in order to facilitate future maintenance convenience, generally need to interface with the valve, if in the production of liquid level meter
part failure or need for routine maintenance, we could close the valve, emptying of the medium inside the liquid level meter, very easy to repair.
The valve type is more than one, how the joint to choose the appropriate type, need to users according to the working conditions of the specific analysis and selection.
Here we introduce a rough type of valve for, facilitate everybody on the choice of targeting select valve.
* : first ball valve opening and closing (
Driven by the stem and round ball valve axis rotation movement of the valve.
Can also be used on regulation and control of fluid, including hard seal ball valve v-shaped the v-shaped ball core of carbide surfacing with strong shear force between metal valve seat, especially suitable for fiber, tiny solid material, such as medium.
And ball valve in the pipeline is not only more connected to the confluence of flexible control medium, shunt, and the flow switch, at the same time also can close any channel and make the other two.
This valve shall generally be installed in the pipeline.
Classification of ball valve, pneumatic ball valves, electric ball valves, manual ball valve.
General magnetic flap and lateral loading level gauge flange interface docking with the manual ball valve is enough.
He has wear-resisting, sealed performance is good, switch light, long service life.
Flange connection of the ball valve is compared commonly more than two kinds of gate valve, cut-off valve, globe valve is also called cut, subject to compulsory sealed valve, the valve is closed, must be pressure on the disc, to force a sealing surface does not leak.
When the medium from the disc below to the valve, the operating force to overcome resistance, is stem and packing friction with the thrust produced by medium pressure, close the valve force stronger than open the valve, so it's bigger, the diameter of the stem or stem top bending failure happens.
According to the connection mode is divided into three types: flange connection, threaded connection, welding connection.
At the time of high pressure, side magnetic level gauge turning ontology with drain valve will be replaced for the threaded connection of the high pressure drain valve, docking with the tank flange joints of is the cut-off valve flange connection.
Simple than gate valves, globe valves structure manufacture and maintenance are convenient, fluid resistance is big, opening and closing the required force is bigger, this ball valve.
Third, gate valve advantages: the opening and closing more effort.
Is compared with the cut-off valve, because whether on or off, ram direction are vertical to the phase with medium flow.
Disadvantages: easy cause erosion and abrasion, surface maintenance more difficult.
Dimension is bigger, open needs certain space, open and close time is long.
The structure is complex.
The advantages and disadvantages of the above analysis is not complete, and the Angle of analysis is the lateral loading magnetic level gauge with turning tank flange joint valve installation options, if need to understand the advantages and disadvantages of three kinds of valve in detail, can go to baidu encyclopedia search.
Under normal circumstances, the magnetic level gauge with turning tank flange connection of valve installation option is ball valve or valve, and according to the above analysis point of view, in order to ensure to close quickly and closed tight, the problems of general choose good ball valve can quickly close and close the rigor, and most of the ball valve is more choice.
But this choice has more experience in general site users choose accuracy, the user generally can choose according to actual needs and working condition of the valve.
In this paper by embellish instrument technology co. , LTD. Arrange release.
If you want to buy or selection, please enter the magnetic level gauge products and selection page for details of choose and buy: turning cfbywj / 1155.
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