Meanwhile, it introduces features of FD balance valve and designs the balance circuit with FD balance valves according to the force characteristics of the cylinder.

The selection of balance valve and its influences on the reliability of heating network;

The experiment study of flow property and the formula simulation about the SPF balance valve;

The experiment study of flow property on the core-exchange balance valve;

Hydraulic balance and application of balancing valve in air conditioning water system;

After installation of balancing valve and balancing commissioning, the system operates correctly and efficiently.

In order to solve the problems in traditional balancing valve, a new type load-sensing balancing valve is put forward.

Compares the construction features between the balance valve and self balance valve, analyses the points concerned in their installation.

In this paper,a new type of hydraulic counterbalance valve is introduced.

Hydraulic counterbalance valve is a key element in the hydraulic balanced loop , which is applied abroad in modern engineering mechanism especially in elevating machinery.

A deep sea high pressure valve with pressure balanced poppet was designed to resolve the problem of bidirectional seal in the deep sea sampling devices.