Product category:
Couplings, Seals, Gaskets
News Release from: Viking Johnson | Subject: Song Da project
Edited by the Processingtalk Editorial
Team on 23 March 2007
Tailor-made couplings get a grip on
local pipes
Special couplings have been designed to accommodate exceptional variations in pipe outside diameters on a Vietnam water supply project, to seal between locally manufactured steel and GRP pipe
An order secured in Vietnam by Viking Johnson demonstrates their ability to tailor the pipe joint products to unusual circumstances The company is supplying couplings specially designed to accommodate exceptional variations in pipe outside diameters, for the Song Da water supply project, which includes many connections between locally manufactured steel and GRP pipe
This article was originally published on Processingtalk on 12 Aug 2003 at 8.00am (UK)
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The additional tolerance is necessary because the GRP pipes are manufactured by winding the resin-impregnated glass fibres on a tapered mandrel.
This produces variations in the OD (nominally up to 1.8m) depending on the final wall thickness and the degree of taper at the point where the connection is made.
Unusually, the parameters found for the unusual Song Da pipes were well beyond the capabilities of even the Viking Johnson Large Diameter Maxifit range, which is suitable for ODs from 350 to 600mm with a tolerance of up to 17mm. Request a free brochure from Viking Johnson ...
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