Mechanical Step Coupling

Mechanical Step Coupling shall be used for jointing plain-ended pipe of different outside diameter or different pipe materials. A Mechanical Step Coupling shall comprising a central sleeve two rings bolts, nuts and elastomeric gasket. The central sleeve of Mechanical Step Coupling shall be constructed such that one end is larger than the other. This is to accommodate different outside diameter of the connected pipes.

a. Standard : JKR 6-94(BA) b. Design : Step Coupling For Mild Steel Pipe ( BS 534 : 1990 ) to   Ductile Iron Pipe ( BS 4772 & ISO 2531 )   : Step Coupling For Mild Steel Pipe ( BS 534 : 1990 ) to   uPVC Pipe ( MS 628 Part 1 & BS 3505 )   : Step Coupling For Mild Steel Pipe ( BS 534 : 1990 ) to   Asbestos Cement Pipe ( BS 1211 Class AB ) c. Material : Ductile Iron d. Nominal Size : 100mm – 1200mm e. Nominal Pressure : PN16 (16 Bar)  f. Coating : Cold Applied High Solid Epoxy Coating   : Hot Applied Fusion Bonded Epoxy Powder Coating g. Bolt & Nuts : Hot Dip Galvanized Bolt & Nuts   : Stainless Steel Bolts & Nuts complete with washer

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