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Butterfly Valve

Bi-directional soft-sealing flange butterfly valve Double-eccentric bi-directional metal sealing flange butterfly valve Triple-eccentric metal hard-sealing flange butterfly valve Flange connected butterfly valve Flange connected butterfly valve Clamp butterfly valve Welded butterfly valve Theft-proof butterfly valve Rotary ball valve (Ball-type butterfly valve) Rotary ball valve (Ball-type butterfly valve) Ventilation butterfly valve

Gate Valve

Soft sealing gate valve (non-rising rod) Soft sealing gate valve (rising rod) Locking gate valve Closable theft-proof gate valve Magnetic encrypted theft-proof sealing gate valve Soft sealing gate valve with lock Special hand wheel anti-theft gate valve Special wrench locking valve Hard sealing gate valve Manual knife gate valve Manual knife gate valve Electric knife gate valve Pneumatic knife gate valve

Ball Valve

Side-mounted eccentric semi-ball valve Side-mounted eccentric semi-ball valve Top-mounted eccentric semi-ball valve Welded eccentric semi-ball valve Welded eccentric semi-ball valve (directly buried) Floating ball valve Floating ball valve Fixed ball valve All-welded ball valve All-welded ball valve (flange type, for heat supply only) All-welded ball valve (cylindrical, fixed) All-welded ball valve (directly buried with pre-thermal insulation) All-welded ball valve (directly buried, released)

Check Valve

Heavy-hammer hydraulic control check butterfly valve Accumulator type hydraulic control check butterfly valve Micro - resistance slow closing check valve Wafer Check Valve Swing non-return valve

Functional Valve

Piston type flow regulating valve Piston type flow regulating valve Full-pressure efficient exhaust and gulp valve GSP Compound exhaust valve Reducing valve 200X Remote control float valve 100X Diaphragm mud valve Piston type mud valve Put feed valve Put-down feed valve Y-shaped filter

Compensation Joint

Single-flange lapped limit expansion joint BF Double-flange limit expansion joint B2F Single-flange force transmission joint CF Double-flange force transmission joint C2F Disassemble double-flange lapped force transmission compensating joint CC2F Flexible rubber joint XTQ1 RF Metal bellows BW Compensator BCQ Single disc compensator (quick-connect flange) Tray expansion piece

Special wrench locking valve

Product characteristics 

The valve can only be opened and closed with a special wrench, with the features of simple operation, easy use and durability. It can prevent others from opening and closing the valve without permission. It can be installed on tap water pipelines or other pipelines, which can effectively avoid theft. 


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Address: West Side of Jinping Road, North Side of New National Highway 310, Shangjie District, Zhengzhou CityTel：0371-68112554 68133996

Fax：0371-68922968E-mail： lvtong7588@Sina.comWeb：www.lvdu-valve.com

Copyright 2018 LVDOU GROUP

Technical Support：PRCVM

Copyright 2018 Lvdu Group

Technical support：PRCVM