Rotary Lift check valve

Exhaust check valve is a type of valve used to prevent the backflow of medium in pipelines, mainly used in systems that require exhaust (or vacuum) environment (such as turbine exhaust systems, vacuum pipelines, condensate systems, etc.).

Its core functions are:

Unidirectional flow: allows the medium (gas, vapor, or liquid) to flow in a single direction, preventing reverse reflux.

Vacuum protection: Maintain stable system pressure under pumping or vacuum conditions, prevent external air or medium from flowing back into the equipment, and avoid damage to the unit (such as the steam turbine) or affecting system efficiency.

Application scenarios of Rotary lift check valve

Water supply and drainage system: High rise building water supply and sewage treatment plant pipelines to prevent backflow and pollution of water sources during water outages.

Fire protection system: In the automatic sprinkler fire extinguishing system, ensure one-way water flow to avoid pressure loss.

Steam pipeline: Used in conjunction with boilers to prevent equipment damage caused by the backflow of steam condensate.

Chemical/petroleum pipelines: used for easily vaporized or high viscosity media to reduce process interruptions caused by backflow.

Pump outlet protection: installed at the outlet of the centrifugal pump to prevent fluid backflow and impact on the pump impeller during shutdown。