FREE-VALVE’s API Stainless Steel Flange End Industrial Swing Check Valve  are swing type and have a flat disc that swings about a hinge pin or shaft, installed in the piping system, their main function is to prevent medium from flowing backwards, the valves are normally designed for horizontal flow condition, but can also be installed in vertical pipeline, but in vertical pipeline, the flow should be in upwards direction and under the disc.

Features

1. The eccentric mounted hinge pin in combination with the disc seat guarantees a positive shut off of the returning medium.

2. The sealing surface of disc is ground and lapped for better finish and sealing

3. Bolt bonnet provides easy access to the disc and hinge pin without removing the valve from the pipeline in case of maintenance.

4. Disc nut secures the disc to the hinge and allows the disc to rotate about pin axis and assist in tight shut off.

Technical Specification:

1. Size Range: NPS2~NPS36,DN50~DN900

2. Applicable Temperature:-20~550℃

3. Connection Type: Flange,butt welding

4. Butt welding ends:GB/T12224,ASME B16.25

5. Body material：stainless steel CF8/CF8M/CF3/CF3M

6. Test standard：GB/T13927,API598

7. Flange To Flange:ANSI B 16.10,GB/T12221

Application: 

FREE-VALVE’s API Stainless Steel Flange End Industrial Swing Check Valve  are mainly used in water supply systems, petroleum, chemical and other industrial sector.

Model:FRH44H

Price:100-5000USD/set

Origin:China

Wechat:FreeValve

Email:sales@free-valve.com