Style R30 Ring Joint Coupling is an ideal pipe joining method when pipe is difficult to groove or when grooving is not the preferred joining method. Available in sizes 8” to 96” the H30 offers ease of use and excellent performance.The VISION Model K30 Ring Joint Coupling is supplied with a pair of factory supplied weld rings. For installation weld a ring on each pipe end to be connected, next mount the rubber gasket over the pipe ends, place coupling segments over the gasket and fasten the bolts and nuts. H30 couplings should always be installed so that the coupling bolt pads make metal to metal contact.
• Maximum Work Pressure: 3626psi (250bar)
• Size: DN100-DN3000(4-120")
• Material : Ductile iron confirmingto ASTM A536, Grade 65-45-12
• Coating: Hot-Dipped,Zinc Galvanized-Standard