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Knowledge of welding globe valve

2020-09-12 10:30:50
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1、 Overview

Globe valve Disc (refers to valve closure)

Valve with axial movement along the seat,

Cut off valve in main pipe

Use. Because the seal is reliable and the opening and closing travel time is short, the pressure on the valve rod can directly compress the sealing surface, and it can be sealed by sealing

There is little friction on the cover, so globe valves are often used in vacuum valves. Usually there is only one sealed pair, manufactured

Good performance, valve seat, disc is also easy to repair and replace. Due to the shape limitation of the body cavity, the medium is also produced

Greater flow resistance, pressure loss.

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2、 Classification of globe valves

According to the sealing surface design material can be divided into: soft seal valve, hard seal on-off valve

According to the structure design form of valve disc, it can be divided into: disc balanced stop valve, disc non-equilibrium stop valve

According to the flow channel form, it can be divided into: DC stop valve, DC stop valve, angle stop valve, three-way stop valve, etc.

According to the structure of the opening and closing parts, it is divided into:

Needle type stop valve, plunger stop valve and bellows are used as stop valves.

The seal can be divided into sub categories: plane sealing globe valve, cone sealing stop valve, sealing stop valve with guiding system, sealing globe valve between spherical surfaces, etc.

According to the thread position of the stem ladder, it can be divided into:

Upper threaded stem globe valve, lower threaded stem globe valve.

According to the use of industrial and mineral resources, it can be divided into:

Low temperature valve, high temperature and pressure stop valve station, oxygen pipeline stop valve, liquefied gas stop valve, hydrocracking, chemical unit stop valve, insulation jacket stop valve, etc.

8 is shaped to be combined with other valves according to a multifunctional globe valve such as a throttle valve, as described in filter Globe valve.

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Jiangsu Zhonghe Valve Co., Ltd

Service hotline: 268799-2899

Fax: 0515-87939900

E-MAIL :zhonghe_ valve@163.com

Address: a2202, No. 99, Shehe East Road, Funing County, Jiangsu Province

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