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Ball valve

A technology for ball valves and valve seats, applied to valve details, valve devices, valve housing structures, etc., to achieve the effect of improving service life and anti-wear ability

Pending Publication Date: 2022-01-14
SHENYANG TAIKE FLUID CONTROL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of this application is to provide a ball valve, which solves to a certain extent the technical problem of a boiler drain ball valve with a valve sealing surface that is not easy to fall off, strong and wear-resistant in the prior art

Method used

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Embodiment Construction

[0033] The technical solutions of the present application will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present application, not all of them.

[0034] The components of the embodiments of the application generally described and shown in the figures herein may be arranged and designed in a variety of different configurations. Accordingly, the following detailed description of the embodiments of the application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the application.

[0035] Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0036] In the description of this application, it should be noted that the ter...

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Abstract

The invention relates to the technical field of boiler drain ball valves, in particular to a ball valve. The ball valve comprises a valve seat and a ball body; the ball body abuts against the valve seat; and the valve seat and the ball body are both made of hard alloys. According to the ball valve, the ball body and the valve seat both adopt hard alloy materials, so that the hardness of the sealing face between the ball body and the valve seat reaches HRC78 or above, due to the fact that a coating structure is different from an existing coating structure, the problems that under the high-temperature and high-pressure working conditions, the sealing face is prone to strain and falling off are solved, the service life of the valve is prolonged, and wear resistance of the valve is improved.

Description

technical field [0001] The present application relates to the technical field of boiler drain ball valves, in particular to a ball valve. Background technique [0002] Boiler feed water trap ball valve is also called boiler drain ball valve, butt welding connection, straight-through structure, spherical surface seal zero leakage, high pressure self-sealing, caliber DN15-50, pressure PN20-32.0MPa, used for high temperature, high pressure, high solid content media, including Power plants, petrochemical and mining industries, boiler drains, steam turbine drains, boiler fixed row and row water supply system drains, steam drum discharge, superheater discharge and drain, soot blower isolation, bypass pipeline isolation, and economizer header drain use of a valve. [0003] At present, the sealing surface technology between the valve seat and the ball in this type of valve is mainly: plasma powder spray welding Stellite alloy and supersonic flame spraying technology. Due to the ext...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K5/06F16K5/08F16K27/06F16K37/00G01N3/56
CPCF16K5/0605F16K5/0694F16K5/08F16K27/067F16K37/00G01N3/56
Inventor 洪志同洪志福孔德宝洪诗凡洪诗宇杨世良
Owner SHENYANG TAIKE FLUID CONTROL CO LTD
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