The expanding Series expanding gate valve consists of one gate body and one related gate segment. The middle contact surface is designed to milled V structure. The expanding series are available in sizes 2-1/16'' through 7-1/16'', working pressure of 2000 psi through 5000 psi, temperature ranging from -46°C to 675 °C.
Features
-- The upper/lower roller thrust bearing minimizes operation torque;
-- Seats can be lubricated from grease injection fitting to reduce abrasion and promote long life;
-- Non-rising stem design minimize operation space.