In addition to the advantages of elastic seat sealed gate valves, the rising stem protective gate valve can also display the valve opening more intuitively, and the opening and closing can be reliable, so it is often used in fire protection and industrial systems. Generally installed at a higher height above the ground.

Main technical parameters of rising stem protective gate valve:

Nominal pressure: PN10（1.0MPa）～PN25（2.5MPa）

Nominal diameter: DN50mm-DN400mm

Working temperature: O ℃~80 ℃

Applicable media: water, oil, gas, etc

Flange standard: GB／T 17241.6 GB9113

Test standard: GBl3927 APl598

Installation instructions for rising stem protective gate valve:

1. The handwheel, handle, and transmission structure of the rising stem protective gate valve are not allowed to be used for lifting, and collision is strictly prohibited to avoid damage;

2. Bright stem protective gate valves should be installed vertically, with the valve stem placed in a vertical position and the handwheel placed on top;

3. Before using a rising stem protective gate valve with a bypass valve, the bypass valve should be opened first;

4. Gate valves with transmission mechanisms should be installed according to the specified installation instructions;

5. If a rising stem gate valve is frequently used, it should be cleaned and lubricated once a month.