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Thermostability Eccentric Half Ball Valve for particles, ash, fiber medium

Short Description:

Eccentric half ball valve self centering in the common trajectory using the eccentric body, eccentric ball & seat, and stem for rotational movement, the closing process is more and more tight, to fully achieve a good sealing purpose. The ball and the seat are completely separated, eliminating the wear of the sealing ring, and overcoming the wear problem between the traditional ball valve seat and the ball sealing surface, the non-metallic elastic material is embedded in the metal seat, the valve seat metal surface is well protected.


Product Detail

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Product Details

Eccentric half ball valve self centering in the common trajectory using the eccentric body, eccentric ball & seat, and stem for rotational movement, the closing process is more and more tight, to fully achieve a good sealing purpose. The ball and the seat are completely separated, eliminating the wear of the sealing ring, and overcoming the wear problem between the traditional ball valve seat and the ball sealing surface, the non-metallic elastic material is embedded in the metal seat, the valve seat metal surface is well protected.

Performance Characteristics

1.Metal seated, safe and washing-out resistance, long life cycle;

2.Sealing self-compensation, good sealing performance does not jam at low and high temperatures;

3.Double eccentric structure, there is little friction between seat and disc, easy to open and close, sealing function with close more tightly;

4.High temperature, low temperature, corrosion resistance;

5.Horizontal mounting manual valve has bi-directional display function, the opening state of the valve can be observed synchronously from the operating surface and side.

Applicable Medium

Widely used in water supply and drainage, metallurgy, petroleum, chemical industry, electric power, urban construction and other industrial pipelines to cut off, connected medium, especially for the transport of particles, ash, fiber and other medium industrial pipelines, to cut off medium.

Technical Parameters

Standards Design Standards GB/T 26146
Face-to-face dimension GB/T 12221
Flange Standards GB/T 9113, GB/T 9115, HG/T 20592
Pressure Test Standards GB/T 13927, EN 12266, API 598
Pressure Rating 0.6 MPa ~ 4.0 MPa
Nominal Diameter DN80 ~ 2000
Operation Lever, Gear Box, Electric, Pneumatic, Hydraulic, Pneumatic-Hydraulic (Gas-Over-Oil), Electro-Hydraulic
Connection Flanged, Welded
Material Standard GB
Major

Component Materials

Body & Bonnet WCB, CF8, CF8M, etc.
Ball WCB, CF8, CF8M
Stem 2Cr13, 17-4PH, 304, 316, etc.
Sealing Ring Hard Alloy , Stainless Steel
Applicable temperature

≤350℃

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