2013 08 Rijk EST POP-A-PLUG for Urea Plants

So far plugging heat exchanger tubes of high pressure urea equipment has been done by welding a plug in the tube or the tubesheet hole. This is a time consuming procedure and it is extremely difficult to guarantee weld quality.EST Group has developed in urea grade materials the POP-A-PLUG® for urea service. The design incorporates a Virgin Teflon® O-ring for proper sealing characteristics between POP-A-PLUG® and weld overlay of tube sheet. EST Group has taken in advice from experts in the urea industry with regards to requirements for such plugs and the design eliminates welding risks. The paper will describe the detailed design features, test results and references of this revolutionary innovation in the urea industry.

 

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