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Home - News - If you choose stainless steel globe valve material

If you choose stainless steel globe valve material
Release Time:2020-08-28  Browse: times
The selection principle of the globe valve is:
Stop valves should be used on pipelines or devices for high temperature and high pressure media. Such as thermal power plants, nuclear power plants, high-temperature and high-pressure pipelines in petrochemical systems.
On pipelines that do not require strict convection resistance. That is, the place where the pressure loss is not considered.
Small valves can choose needle valves, exterior valves, sampling valves, pressure gauge valves, etc.
There are flow regulation or pressure regulation, but the regulation accuracy is not high, and the pipe diameter is relatively small, such as the pipe with a nominal passage of ≤50mm, it should be selected.
Small fertilizers and large fertilizers in synthetic industrial production should use high-pressure angle globe valves or high-pressure angle throttle valves with a nominal pressure of PN160 and a nominal pressure of 16MPa or PN320 and a nominal pressure of 32MPa.
In the desiliconization workshop of the alumina Bayer process and the pipelines that are prone to coking, it is easy to choose a direct-flow stop valve or direct-flow throttle valve with a separate valve body, a valve seat, and a cemented carbide seal pair.
In water supply and heating projects in urban construction, smaller pipelines are nominally passed through, and cut-off, balance valves or plunger valves can be selected, such as pipelines whose nominal diameter passes through less than 150mm.

The most significant advantages of the globe valve are:
During the opening and closing process, the friction between the valve disc and the valve body sealing surface is smaller than that of the gate valve, so it is wear-resistant. The opening height is generally only 1/4 of the diameter of the valve seat passage, so it is much smaller than the gate valve. Usually there is only one sealing surface on the valve body and the valve disc, so the manufacturing process is better and it is easy to repair.

Nominal pressure or pressure level: PN1.0-16.0MPa, ANSI CLASS 150-900, JIS10-20K
Nominal diameter or caliber: DN10~500, NPS 1/2~36"
Connection method: flange, butt welding, thread, etc. Suitable temperature: -196℃~700℃
Driving method: manual, bevel gear transmission, pneumatic, electric, hydraulic, pneumatic-hydraulic linkage, electro-hydraulic linkage
Valve body material: WCB, ZG1Cr18Ni9Ti, ZG1Cr18Ni12Mo2Ti, CF8 (304), CF3 (304L), CF8M (316), CF3M (316L), Ti. Different raw materials are used, which can be separately applied to water, steam, oil, nitric acid, acetic acid, oxidizing media, urea and other media.

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Wenzhou ERA Valve & Flange Co.,Ltd
Add:No. 18-13, Binhai 9th Road, Konggang New District, Yongxing Street, Longwan District, Wenzhou 
E-mail : heyuntao@era-valve.com
Manager Tao : +8615167728005
Manager Zhang : +8613777797738
Website : www.era-valve.com

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