What is the difference between vertical lift check valve and horizontal lift check valve? 

The main difference between vertical lift check valve and horizontal lift check valve is that the vertical lift check valve is installed on the vertical pipelines, while the horizontal lift check valve is installed on the horizontal pipelines. The vertical lift check valve is generally placed vertically during installation, while the horizontal check valve is placed horizontally. 

1. what is vertical lift check valve and horizontal lift check valve?

Lift check valve is one kind of check valve, which can be divided into vertical lift check valve and horizontal lift check valve. The principles and functions of these two lift check valve are almost similar. Their main difference is the way for installation. Vertical lift check valves are installed vertically on vertical pipelines, while horizontal lift check valves are installed horizontally on horizontal pipelines. Which one is better, that depends on the specific usage. Whether for vertical lift check valve or horizontal lift check valve, it is usually designed according to the specific pipeline requirements. That two lift check valve cannot be installed interchangeably. Then let’s discuss 

2. what is the difference between the vertical lift check valve and horizontal lift check valve: 

Check valve is one kind of valve which relies on its own weight of the disc and medium pressure to block the back-flow of the medium. The lift check valve is a relatively common structural for, and lift check valve can be divided into vertical lift check valve and horizontal lift check valve. There is basically no difference between the vertical lift check valve and the horizontal lift check valve in terms of structure, principle and function. The main difference between vertical lift check valve and horizontal lift check valve is that the vertical lift check valve is installed on the vertical pipelines, while the horizontal lift check valve is installed on the horizontal pipelines. The vertical lift check valve is generally placed vertically during installation, while the horizontal check valve is placed horizontally.