The Roc-Master Advantage
Roc-Master - one of the most experienced professional manufacturer of CRA CLAD pipes, flanges, fittings and bends as well as forged flanges in all materials, special subsea forgings, and all type of fasteners, coated bolts & nuts, Roc-Master is also a supplier who provides Weld Overlay, precision machining services, as well as prefabrication (spooling) for clad and nonclad components. Furthermore the company is an OVERALL SUPPLIER for the total packages used in the onshore, offshore, oil & gas industries, chemical and petrochemical industries.
J collar is a forged component used to grip the pipe in order to install subsea pipeline in deep water using J-LAY mode system. It is a safe and reliable way to install very heavy pipelines.
RocCLAD Features
Roc-Master is a well-known CRA cladding specialist and a manufacturer of forgings and cladding products.
Our core technology is professional welding techniques at an international advanced level.
RocCLAD technology has been maturely used for severe corrosion, abrasion and cavitations erosion applications.
RocCLAD cladding techniques build up a CRA layer on the wet parts of pipes and other piping components to protect the piping system integrity, providing low cost and long life solutions.
In Nov, 2008, The flange installation instruction prepared by our technical dept. lays a foundation for better improving the quality of after-sales services. please go to our 
