Check valves of PEK6 and PEK7 types are used in the technological lines of CNG filling stations as a device for one-way passage of the medium (gas).

The valve of PEK6 is manufactured according to the following specifications:

• Nominal pressure Pu = 25 MPa.
• Nominal diameter Du = 10 mm.
• Input and output connecting threads – M22x1.5

Depending on the design of the input threaded fitting the check valves of PEK type have the versions PEK6-01 and PEK6-02