Name: National Standard Power Station Check Valve, H64H, H64Y High Pressure Power Station Valve, Power Station Check Valve, High Temperature Check Valve

Model: H64Y

Diameter: DN15-600mm

Pressure: PN25.0~32.0MPa

Temperature: ≤ 540 ℃

Materials: reinforced flexible graphite, hard alloy

Design standards: E101, JB/T3595-93

Product Usage:

The welded check valve is suitable for pipelines with a nominal pressure of PN20.0-32.0Mpa and a working temperature of ≤ 540 ℃ (where P (57) 170V has a working temperature of 570 ℃) in various working conditions such as petroleum, chemical, hydraulic, and thermal power plants. It can cut off or connect the medium. Applicable media include water, oil, steam, etc.

Product structure characteristics:

1. The product design and manufacturing are in accordance with the provisions of E101 and JB/T3595-93 standards, with reasonable structure, excellent performance, and shape.

2. The valve cavity adopts a pressure self tightening sealing structure, and the higher the medium pressure, the better the sealing performance.

3. The two ends of the branch pipe are connected by butt welding to meet different connecting requirements.

4. The sealing surfaces of the valve disc and valve seat are made of Stellite cobalt based hard alloy overlay welding, which is wear-resistant, high-temperature resistant, with good scratch resistance and long service life.

5. High temperature and pressure resistant components are made of high-quality heat-resistant alloy steel, which is safe and reliable, with stable performance and long service life.

Power station check valve: Check valve, also known as one-way valve or check valve, is used to prevent medium backflow in the pipeline. It also belongs to the category of check valves.

A valve that relies on the flow and force of the medium to open or close itself, in order to prevent the medium from flowing back, is called a check valve. Check valves belong to the automatic valve category and are mainly used for medium isolation

Only allow the medium to flow in one direction on the flowing pipeline to prevent accidents.

Power station check valves can be divided into three types according to their structure: lift check valves, swing check valves, and butterfly check valves. Lift check valves can be divided into vertical and horizontal types

Species. Swing check valves are divided into three types: single disc, double disc, and multi disc. Butterfly check valves are straight through, and the above types of check valves can be divided into screw connections

There are three types of connections: pattern connection, flange connection, and welding.

The installation of check valves in power plants should pay attention to the following matters:

1. Do not allow the check valve to bear weight in the pipeline. Large check valves should be independently supported to prevent them from being affected by the pressure generated by the pipeline system.

2. During installation, pay attention to the direction of medium flow that is consistent with the arrow direction indicated on the valve body.

3. Lift type vertical disc check valves should be installed on vertical pipelines.

4. The lifting type horizontal disc check valve should be installed on the horizontal pipeline.