V.J. Couplings,
Standard:
ISO2531, BS EN545 or EN598
Material:
ductile iron
Inner cement:
Ordinary Portland Cement according to ISO4179,
Sulphate Resistant Cement or High Alumina Cement Mortar Lining
Outside coating:
Zinc coating (≥130/m2) and blue painting or epoxy painting (≥70μm) according to ISO8179
Quality Control:
Metal-graphic examination; Spectrum Analysis; Hardness Test; Tensile Test; Crush Test.
Joint type: Flange, flange drilling according to EN1092
Testing: Factory inspection report, SGS inspection and the third inspection party;
