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Biphasic steel hard-sealed V-type ball valve, hard-sealed V-type ball valve, V-type ball valve, ball valve

Product Code : VF--QCC-Q343-CU

Product models: VQ47Y, VQ647Y, VQ347H, VQ947W;

Connection method: Flange;

Operation mode: Electric, Pneumatic, Worm gear, Manual;

Valve function: Cut-off, Regulation;

Sealing type: Hard seal;

Nominal diameter: DN25 - DN500;

Nominal pressure: PN10 - PN100;

Flange standard: GB/T9113.1-2010, JB/T79.1-1994; HG/T20592-2009; ASME B16.5.


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Biphasic steel hard-sealed V-type ball valve, hard-sealed V-type ball valve, V-type ball valve, ball valve VF--QCC-Q343-CU Customized Customize

It can effectively reduce the deformation of the ball core when there is a high pressure difference. It can effectively reduce the deformation of the ball core when there is a high pressure difference. It adopts a single valve seat seal or a double valve seat seal structure. It adopts a single valve seat seal or a double valve seat seal structure. The V-type ball valve with a double valve seat seal is mostly used for the flow regulation of clean media. The V-type ball valve with a double valve seat seal is mostly used for the flow regulation of clean media. However, it may cause a blockage risk in the middle chamber when used for media with particles. 

 However, it may cause a blockage risk in the middle chamber when used for media with particles. 

The ball core sealing surface and the valve seat sealing surface can be processed using electroplating of hard chromium, cobalt-based hard alloy welding, or spraying of tungsten carbide wear-resistant coating, etc., to enhance the service life of the valve core sealing.The ball core sealing surface and the valve seat sealing surface can be processed using electroplating of hard chromium, cobalt-based hard alloy welding, or spraying of tungsten carbide wear-resistant coating, etc., to enhance


The double-phase steel hard-sealed V-type ball valve has excellent anti-blocking performance.The double-phase steel hard-sealed V-type ball valve has excellent anti-blocking performance. The valve core adopts a 1/4 hemispherical shape, combined with a single-side valve seat structure. The valve core adopts a 1/4 hemispherical shape, combined with a single-side valve seat structure. When there are solid particles in the medium, it will not experience the same blocked condition in the middle chamber as ordinary O-type ball valves. When there are solid particles in the medium, it will not experience the same blocked condition in the middle chamber as ordinary O-type ball valves. The V-shaped ball and the valve seat have a seamless rotation, with a large shear force. The V-shaped ball and the valve seat have a seamless rotation, with a large shear force. It is particularly suitable for suspensions containing fibrous materials or small solid particles, as well as solid particle control. 

 It is particularly suitable for suspensions containing fibrous materials or with tiny solid particles, as well as for the control of solid particle-like substances. 

The V-type ball valve core of the global body is more suitable for high-pressure conditions.The V-type ball valve core of the global body is more suitable for high-pressure conditions. It can effectively reduce the deformation of the ball core when there is a high pressure difference. It can effectively reduce the deformation of the ball core when there is a high pressure difference. It adopts a single valve seat seal or a double valve seat seal structure. It adopts a single valve seat seal or a double valve seat seal structure. The V-type ball valve with a double valve seat seal is mostly used for the flow regulation of clean media. The V-type ball valve with a double valve seat seal is mostly used for the flow regulation of clean media. However, it may cause a blockage risk in the middle chamber when used for media with particles. 

 However, it may cause a blockage risk in the middle chamber when used for media with particles. 

The ball core sealing surface and the valve seat sealing surface can be processed using electroplating of hard chromium, cobalt-based hard alloy welding, or spraying of tungsten carbide wear-resistant coating, etc., to enhance the service life of the valve core sealing.The ball core sealing surface and the valve seat sealing surface can be processed using electroplating of hard chromium, cobalt-based hard alloy welding, or spraying of tungsten carbide wear-resistant coating, etc., to enhance the service life of the valve core sealing.


Packing of Standard Packing: 


Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 470 gallon liquid totes Special package is available on request. E FORUs’  is carefully handled to minimize damage during storage and transportation and to preserve the quality of our products in their original condition



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