金属硬封球阀门

Features: 1. The super-hard layer is sprayed on the sealing surfaces and the channel.It wears resistance and being washed. 2. Spring loading compensates the wear resistance automatically. 3. The one-to-one precise grind makes the quality of tit high. Main usage: It can be used to transfer the slurry in aluminum oxygen industry. And in the bad working condition it can also be used to transfer coal water mixture, solid partical medium in coal chemical industry and so on. Specification: Nominal diameter: DN15-DN300 (NPS1/2-NPS12) Nominal pressure: PN1.6-6.4Mpa Class (150Lb-600Lb) Body material: WCB, A351-CF8, A351CF8M Connecting type: Flange GB/T9113.1-4,JB/T79.1-4, ANSI B16.5 Structural length: GB/T12221, ANSI B16.10 Working temperature: -29-450°C Driving means: Manual, pneumatic, Electrical driving and Worm gear.