If you are looking for Canada BasedEngineering Consultant Services or training courses in Structural Engineering, Piping stress analysis, Power / Process Piping Design, Pressure Vessels Design (As per American / Canadian / International Standards and Codes) ; Little P.Eng. for Engineering Services & Engineers Training is ready to help you across Canada, USA and Arabian Gulf Area.
Threaded joints are normally used in low-pressure small-bore, nonflammable service, although threaded iron pipe is commonly used in domestic gas piping and threaded joints up to NPS 12 (DN 300) have been used in low-pressure liquid service. For quality joints, it is essential to have smooth, clean threads. Because cut-thread surfaces are somewhat imperfect, thread sealants (pipe dope) and lubricants are often used to ensure a leak-tight joint. Lubricants such as linseed oil o