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Usage:
DSJ multifunction extension section and SSJ sleeve extension section
are manufactured according to GB and have reliable quality. They are
widely used in industry pipe of metallurgy, petroleum, chemical industry,
electric power and city construction etc.They can avoid leakage and
damage to establishment caused by the axes displacement of pipeline
because of expanding when heat and contract when cold or other factors.
Product standard and specification:
Design and manufacture :GB12238-89、API609
Connection flange: GB9115-88、GB12380－90
Inspection and test: GB/T13927-92、API598
Technology performance parameter
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BUTTERFLY
VALVE
