WJ41H-16明杆式德标波紋管截止閥産品結構特點 PRODUCT STRUCTURA L FEATURES
DIN standard bellow sealed globe valve （os&y type）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.OMPa and operating temperature at -20〇C——350〇C, that is used to cut off or connected the pipeline medium.
WJ41H-16明杆式德标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.