Feature: Stem with bellow seal,Two-ply bellow seal,Secondary sealing,gland packing,None-rising handwheel ,Non-rotation lock of stem; Application: Industry, power system, flue gas purification plant, gas supply, vapour facilities, vacuum facilities, hot water, heating technology, thermal oil applications, shipbuilding, etc. Medium: Petroleum, atural gas, steam, hot water, thermal oil, process water, etc. Material : P250GH (1.0460 / C22.8) , X CrNi18.9(1.4301 / 1.4306) , X5 CrNiMo18.10(1.4401 / 1.4404) Nominal diameter: DN15-DN50; Nominal pressure: PN16,PN25,PN40 Design&manufacture standard conforms to EN 13709; Face to face standard conforms to EN 558-1; Flange standard conforms to EN 1092-1; Test conforms to EN 12266. Code No. Fig K111.
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