... supply, transport oil Specifications 1.fittings conform to the requirements of WSD specifications and dimensions to EN545 /EN598/ISO2531.( Can ... according to the customer request )2.The mechanical properties of the fitting are tensile strength 420N/mm(MIN).and elongation ... to leaktightness test by hydraulic pressure as per requirements of table 13 of EN5454.Size:DN80,DN100,DN150,DN200,DN250,DN300,DN350 ...