The gate valve is divide into two big types by sealing surface configuration, include wedge-type gate valve and parallel-type gate valve, wedge gate-type valve can be divided into: single-disc gate valve, double-disc gate valve and flexible-disc gate valve; the parallel-type gate valve can be divided into single-disc gate valve and double-disc gate valve. According to location of the thread on the stem, the division can be divided into rising gate valve and non-rising gate valve.
Globe valve is a type which disc along the valve seat centerline movement. It's very suitable for control the medium, because of this type of valve's stem opening or closing at a short trip, and it has very reliable breaker function. Therefore, this type of valve is suitable for cutting, adjusting and throttling the medium.