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

Patent：US : US10711929B1  China : CN202010345015.7(Pending) PCT CN/2020/098869

Size: DN32-DN200 | 1 1/4-8''

Maximum Working Pressure：2.5MPa(365psi)

Working pressure depend on  material, wall thickness and pipe size