Specification details design std:en 1074, en593 size:dn25--dn300 micro-finishing of disc and steam pressure rating: pn10, pn16 seat: nbr, epdm, viton, ptfe, neoprene face to face: en 558-1 series 20 -(former din 3202-k1) pressure testing:din en593din en12266-1 top mounting...