私人影院做爱视频,岛国女优av高清在线,我和亲妺婷婷在浴室作爱经过,女人和拘做受全过程免费,成人无码区免费AⅤ片WWW软件,亚洲AV无码国产成人久久强

current location: Home   >> News >> Company news

Half ball valve structure and characteristics

The half-ball valve is manufactured with flange sealing surface according to the concave-convex flange technology stipulated in GB/T 9113.2--2000.

Half ball valve is a kind of practical operational products, the actuator is equipped with hydraulic actuators, more portable, easy to use remote automation, developed the half ball valve application scope, especially in the bad environment is not convenient and manual operation or normally open action, form a complete set of automated computer operation cases, half a ball valve, more opened new ideas.

The half-ball valve has the characteristics of small opening force, closing can break the barrier of scaling, good sealing performance and wear resistance. Half ball valve wear-resistant corrosion material, so it is widely used in water, steam, sewage, petrochemical, natural gas, solution and pulp and other two phase media, and dust gas and other ideal transmission equipment.


平凉市| 南部县| 江津市| 军事| 勐海县| 原阳县| 肥城市| 高邮市| 五原县| 扶绥县| 浦东新区| 望谟县| 聊城市| 交口县| 洛阳市| 胶州市| 台中县| 德兴市|