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BS4504 large special flange

2016-07-11 11:27:00   Comment:0 Hits:
       BS4504 large special flange will be used in different areas, has a special meaning and significance in the industry, play an important role in the machinery industry and value, in the correct way to connect and methods.High pressure large flange connection steel gate valve product structure features:

  1, high pressure large flange connection steel gate valves conform to the requirements of domestic and international advanced standard, reliable sealing, excellent performance, beautiful appearance.

  2, disc and seat sealing surface with iron base alloy welding or department too stand (stellite) cobalt-based hard alloy surfacing and become, wear-resisting, high temperature resistance, corrosion resistance, good abrasion resistance, long service life.

  3, high pressure large flange valve stem after quenched and tempered and surface nitriding treatment, has the good corrosion resistance and abrasion resistance.

  4, gate using wedge flexible disc structure, large diameter set the rolling bearing, friction small, easy opening and closing.

  5, can be used in a variety of piping flange standards and flange seal face type, can meet the needs of all kinds of engineering and the user requirements.

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