Supplier product
Qinhuangdao Zhongqing Metallurgical Valve Co., Ltd.
Enclosed gas-isolation assembly with separately controlled plate travel and sealing.
Zhongqing’s fully enclosed spectacle valve uses an open-port and blind plate with rubber soft sealing. The supplier describes separate control of plate travel and clamping, with the seals released before movement. Its published range is DN1200–3200, pressure up to 0.25 MPa and temperature up to 250°C, with several hydraulic and electric drive arrangements.
Qinhuangdao Zhongqing Metallurgical Valve Co., Ltd. · Qinhuangdao, Hebei
View the supplier’s original product page
Source reviewed: 2026-11-07. This directory summary organises the supplier’s published product information.
Back to company product center
Welded metallurgical isolation valve for a hot-blast stove system.
View product →
Metal-seated, welded butterfly valve for industrial gas isolation.
View product →
Carbon-steel gas-control butterfly valve with a 0–90-degree regulating range.
View product →
Large gas-line isolation valve with sequential unclamping and plate movement.
View product →
Linked valve assembly for directing cold blast to a stove or atmospheric discharge.
View product →