 Haolong grooved attachment pipe fittings joinning system inside pipeline pressure influence to increase seal enclosed seal. Other steel set deduct in both ends of steel tube and packingparcel seal , realize th sealed connection of steel tube.
Grooved attachment pipe onnecting and pipe fittings ----Carrying out sector standard CJ/T156-2001 of Ministry of Construction, our company develops the grooved pipe fittings and pipe fittings, casting material QT450-10, its internal and external static spraying araldite powder (EP ) or dip coating.
Seal ring can select different materials for use according to different fluid medium seal.
 Bolt, nut raw materials adopt high-quality steel, after hot treating mechanical character is up to 9.8 grade.While installing only use a spanner, its using safe and firm.
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