Home Products Products Fire Protection System Grooved Couplings & Fittings Style K22 Rigid Coupling

Style K22 Rigid Coupling

Style K22 Ready for Installation one bolt rigid coupling adopt unique structural design. Don't need to disassemble the bolts, nuts and gasket during installation, just put the coupling into the groove end of the pipe directly for installation and tighten the bolts and nuts. It's convenient and fast,  the installation efficiency is more than 3 times of the standard groove coupling, also can avoid the loss of bolts and nuts during installation. The unique design of G06 “E” type gasket can realize the reasonable design of triple sealing, compression and sealing chamber volume, and greatly improve the service life of the joint.


• Patent:US : US10711929B1  China : CN202010345015.7(Pending) PCT CN/2020/098869
• Size: DN32-DN200 | 1 1/4-8''
• Approvals: FM/UL 


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