WJ41H-16 25 40暗杆式德标波纹管截止阀产品结构特点 PRODUCT STRUCTURAL「EATURES
德标波纹管截止阀适用于公称压力PN1.6 4.0MPa,工作温度-2〇。〇35〇它的石油、化工、制药、化肥、电力行业等各种工况的管路上，切断 或接通管路介质。
DIN standard bellow sealed globe valve （NRS）is apply to various kinds of working conditions pipeline such as petroleum, chemical industry, pharmacy, fertilizer, and power industry etc. Under nominal pressure in the PN1.6-4.0MPa and operating temperature at 20°C——350oC, that is used to cut off or connected the pipeline medium.
WJ41H-16 25 40暗杆式德标波纹管截止阀其主要结构特点 MAIN STRUCTURAL FEATURES
1.This product has logical structure,reliable seal,excellent performance and nice design.
2.Sealing face is overlayed by STL,which is friction resistanced, corrosion resistaned to ensure a long time use life.
3.Stem Heat-treatment and surface nitriding-treatment to sure fuction of corrosion-resistanced and friction- resistanced.
4.It has double seal,thus the capability is more reliable.
5.The stem may show the position of lift,thus it is more clearer.
6.The parts material,flange and butt welding dimension may selected according to current operating condition or users' requirement to meeting the requirements of various engineering.