Expanding Gate valve is manufactured in accordance with API-6D. This type of valve is suitable for onshore and offshore applications where suspended and abrasive solids are present in the fluid or for oil and gas transportation and isolation service. The double block and bleed design offers a proper seal in between both seats and the gate in high and low pressure, for this reason, line pressure is not needed to seal the valve. The principle of operation is based in two segment members of a disc which at an opened or closed position are capable to seal in both directions and isolate the bonnet cavity.

Main Features :

Lixin?Expanding Gate Valves provide a superior bi-directional torque based mechanical seal. During operation the gate assembly travels freely between the seal surfaces which will reduce the wear risk and prolong the valve service life.

Design Features :

Small operation torque;

Reliable sealing;

Lower noise during operation;

Safety and reliable operation;

Anti-Corrosion,Anti-Abrasion and Anti-Penetration;

Long service life;