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德標(biāo)暗桿式波紋管截止閥
WJ41H-16 25 40暗桿式德標(biāo)波紋管截止閥產(chǎn)品結(jié)構(gòu)特點(diǎn) PRODUCT STRUCTURAL「EATURES
德標(biāo)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(yè)等各種工況的管路上，切斷 或接通管路介質(zhì)。
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(biāo)波紋管截止閥其主要結(jié)構(gòu)特點(diǎn) MAIN STRUCTURAL FEATURES
1.產(chǎn)品結(jié)構(gòu)合理、密封可靠、性能優(yōu)良、造型美觀；
2.密封面堆焊Co基硬質(zhì)合金、耐磨、耐腐、抗摩擦性能好、使用壽命長(zhǎng)；
3.閥桿調(diào)質(zhì)及表面氮化處理，有良好的抗腐和抗摩擦性能；
4.雙重密封，性能更可靠；
5.閥桿升降位置指示更直觀；
6.零件材料，法蘭和對(duì)焊尺寸可根據(jù)實(shí)際工況或用戶要求合理選配，滿足各種工程需要。
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.
