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1. Exquisite material selection, in line with relevant domestic and foreign standards, reasonable structure, beautiful shape.
2. The sealing surface of valve disc and seat is made of iron-base alloy surfacing welding or Stellite cobalt-base hard alloy surfacing welding, featuring good wear resistance, high temperature resistance, corrosion resistance, abrasion resistance and long service life.
3. the stem after conditioning and surface nitriding treatment, has a good corrosion resistance and scratch resistance.
4. All kinds of piping flange standards and flange sealing surface types can be adopted to meet all kinds of engineering needs and user requirements.
5. valve body material variety, packing, gasket can be reasonably selected according to the actual conditions or user requirements, can be applicable to all kinds of pressure, temperature and medium conditions.
6. Inverted sealing is made of austenitic stainless steel by connecting the sealing seat with threads or surfacing of the body. The sealing is reliable and filling replacement can be carried out without stopping the machine, which is convenient and fast and does not affect the operation of the system.

Product model: GYJ641H
Nominal diameter: DN15~DN500mm
Nominal pressure: PN1.6~ 4.0MPa
Applicable temperature: -30℃~800℃
Applicable medium: water, oil, steam
Main materials: WCB, Chromium molybdenum steel, chromium molybdenum vanadium steel, 304, 316 stainless steel, etc