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重庆阀门之球阀的选用标准是什么

发布时间:2019-07-09 来源:

1、煤油、天然气的运送主管线、必要排除管线的,又需埋设在地下的,选用全通径、全焊接布局的球阀;埋设在地上的,选择全通径焊接连接或法兰连接的球阀;支管,选用法兰连接、焊接连接,全通径或缩径的球阀。
1, oil, natural gas transmission mains, need to clean the pipeline, and be buried in the ground, full bore, ball valve full welded structure selection; laid in the ground, select the full bore welded connection or flange connection valve; branch, the choice of flanged, welded, full bore or reduced diameter of ball valve.
2、成品油的运送管线和贮存配置,选用法兰连接的球阀。
2, refined oil pipelines and storage equipment, the choice of flanged ball valves.
3、都市煤气和天然气的管路上,选用法兰连接和内螺纹连接的浮动球阀。
Line 3, city gas and natural gas, the flange floating ball valve connecting thread connection and.
4、 冶金体系中的氧气管路体系中,宜选用颠末严格脱脂处理惩罚,法兰连接的牢固球球阀。
4 oxygen pipeline system, metallurgy system, should be selected to undergo a rigorous degreasing, flange connection fixed ball valve.
5、 低温介质的管路体系和装置上,宜选用加上阀盖的低温球阀。
Pipeline system and device 5, low temperature medium, should use low-temperature valve with the valve cover.
6、 炼油装置的催化裂化装置的管路体系上,可选用升降杆式球阀。
6, the refinery's catalytic cracking unit of the pipeline system, the choice of lift rod ball.
7、 化工体系的酸碱等腐化性介质的装置和管路体系中,宜选用奥氏体不锈钢制造的、聚四氟乙烯为阀座密封圈的全不锈钢球阀
Equipment and piping system 7, chemical and other corrosive acid-base system of stainless steel ball valve, should use of austenitic stainless steel, PTFE seat ring.
8、 冶金体系、电力体系、石化装置、都市供热体系中的高温介质的管路体系或装置上,可选用金属对金属密封球阀。
Pipeline system or device of high temperature medium 8, metallurgy system, power system, petrochemical equipment, heating system in the city, the choice of metal to metal sealing ball valve.
9、 必要举行流量调治时,可选用蜗轮蜗杆传动的、气动或电动的带V形开口的调治球阀。

9, the need for flow control, the choice of the worm gear, pneumatic or electric with a V shaped openings of the regulator valve.

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