Characterized by structural features of the valve structure is based on the structural features of the valve closure member to move relative to the direction of the seat can be divided into: (1) gate-shaped cross-section: close member along the seat centers; such as the cut-off valve (2) cock and ball : closure member is a plunger or stainless steel ball valves, rotating around the center line itself; if plug, ball valve (3) gate shaped: the closure of parts moving along the vertical seat centers; such as gate valves, gates and other (4) Swing-shaped : closure member to rotate about the axis of the outer seat; as swing check valves, etc. (5) butterfly: the closing member disc rotation about the axis of the valve seat; such as butterfly valve, butterfly valve, etc. (6 ) spool type: Close to slide in a direction perpendicular to the channel. The sliding GB / T12244-2006 valve general requirements GB / T12246-2006 pilot type valve GB13438-1992 argon cylinders of liquid chlorine cylinder valve GB13439-1992 GB / T13932-1992 General valve iron swing check Valve GB / T15185-1994 GB15382-2009 iron and brass ball valve cylinder valve General technical requirements JB / T450-2008 PN1.6 ~ 32.0MPa forged angle-pressure valves, fittings, fasteners and technical conditions of marine valves | Ming Kong Valve (Online) | Jiangxi valve provided by the valve, the Hong Kong Science and Technology Co., Ltd. of Dongguan. Valve Co., Ltd., Dongguan Ming Kong (www.gdmgfm.com) is Dongguan, butterfly leaders, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Ming Kong valve leadership with the staff warmly welcome all inquiries negotiations to create a better valve out of Hong Kong in the future.