WJ41H-16 25 40暗桿式德標波紋管截止閥產品結構特點 PRODUCT STRUCTURAL「EATURES
德標波紋管截止閥適用于公稱壓力PN1.6 4.0MPa,工作溫度-2〇。〇35〇它的石油、化工、制藥、化肥、電力行業等各種工況的管路上，切斷 或接通管路介質。
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暗桿式德標波紋管截止閥其主要結構特點 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.