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technical specifications: body : aluminium diecast / ss304 (cf8) / ss316 (cf8m), disc : cast steel / ductile iron / ss304 (cf8) / ss316 seat : nitrile / epdm / neoprene / ptfe, leakage class : tight shut off temperature: -20°c to120°c, pressure rating : pn 10 / pn 16 ( pn 20 more...