The JHL Multi-functional Three-in-One Check Valve is a valve product under the Puhui Valve brand, featuring main functions of check, cut-off, and throttle. It is suitable for pump outlet applications or preventing medium backflow. Below are its core features:

Core Functions

Check Valve: Designed with a valve disc, it prevents reverse flow of the medium, thus avoiding water hammer phenomena.

‌Shutoff: Flow of medium can be cut off at the valve disc closure.‌

Flow control: Adjusting the valve opening can control the pump's output flow.

Structural Features

‌Discrete design: Valve body and cover are separated for easy maintenance.‌

Streamlined structure: Low pressure drop, suitable for horizontal or vertical pipelines.

‌Springs and Seals: Made of stainless steel, the seals are made of nitrile rubber, offering excellent corrosion resistance and sealing properties.‌

Applicable Scenarios

Building/Apartment Supply and Drainage

Factory Cold & Hot Water Treatment

Boiler Condensate Recovery

Residential Water Supply System

Parameter Range

‌Bore Size: DN40-DN600

Pressure Grades: 1.0 MPa, 1.6 MPa, 2.5 MPa

‌Temperature Range: Below 80℃‌