Manual stainless Steel Ball valve 4

Ball valves can be divided into straight-through type, three-way type and right-angle type according to their channel position. Three-way ball valves have T-type and L-type. T-type can make three orthogonal pipelines interconnect and cut off the third passage, and play the role of diversion and confluence. L-shape can only connect two orthogonal pipelines, but can not keep the third pipeline interconnected at the same time. It only plays the role of distribution.

1. The three-way ball valve adopts an integrated structure. The sealing type of four-side seat has fewer flange connections and high reliability. The design realizes lightweight.

2. The three-way ball core is divided into T-type and L-type, with long service life, large circulation capacity and small resistance.

3. Ball valves are divided into two types: single-acting and double-acting according to the acting mode. The single-acting mode is characterized by that once the power source fails, the ball valve will be in the state required by the control system.

Elastic ball valve: The ball of the ball valve is elastic. The ball and seat seals are made of metal materials, and the specific pressure of the seals is very high. The pressure of the medium itself can not meet the requirements of the seals, so the external force must be applied. This valve is suitable for high temperature and high pressure media. Elastic sphere is an elastic groove opened at the lower end of the sphere wall to obtain elasticity. When closing the passage, the wedge head of the valve stem is used to make the sphere open and the valve seat press to seal. The wedge head is loosened before the ball is rotated, and the ball is restored to its original shape, so that there is a small gap between the ball and the valve seat, which can reduce the friction and operating torque of the sealing surface.