德标暗杆式波纹管截止阀
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.产品结构合理、密封可靠、性能优良、造型美观；
2.密封面堆焊Co基硬质合金、耐磨、耐腐、抗摩擦性能好、使用寿命长；
3.阀杆调质及表面氮化处理，有良好的抗腐和抗摩擦性能；
4.双重密封，性能更可靠；
5.阀杆升降位置指示更直观；
6.零件材料，法兰和对焊尺寸可根据实际工况或用户要求合理选配，满足各种工程需要。
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. |
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