NKZ44 NKZ41Y-I NKZ944-I NKZ41H, NKZ941H vacuum seal structure gate value Applicable medium Water, Steam, Air

1, the design of the vacuum seal structure packing room, the system is isolated from the atmosphere, with good environmental performance.
 2, selected materials, break all international standards, the overall high quality materials.
 3, sealing pair advanced and reasonable, to improve the sealing performance and long life.
 4, the opening and closing parts are parallel to the gate-way flexible seal, friction is small, open and close easily, easy maintenance, reliable sealing, excellent performance.
 5, stem quenched and the nitrogen treatment, with good corrosion resistance, resistance to abrasion and wear resistance.
 6, flange gaskets made of composite materials, expansion coefficient, airtight performance, ensure

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