The check valve only allows the fluid to circulate in one direction, preventing water from flowing back and protecting the equipment. Therefore, it is important for the fire protection system. Can be installed indoors and outdoors.

 

        Advantages: protect equipment, thereby saving system maintenance costs;

        Disadvantages: will cause some pressure loss.

 

Connection Type

        Threads, wafers, flanges and grooves

       

Work pressure

        300 psi ~ 600 psi

 

Maximum operating temperature

80 oC

 

size

        1” – 2” threaded rotary check valve

        2"-12" flanged rotary check valve

        2 1⁄2” – 12” wafer type double flap check valve

        2 1⁄2” – 12” grooved double flap check valve

 

Application range

        - pump tube

        -Fire connection

        - vertical fire line (such as alarm check valve)

        - floor (fire connection on the floor), etc.

 

Certification

        -UL certification

        -Ulc certification

        -FM certification