Overflow valve type 4.7 DN ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ relieved single-seated straightway valve KVS-value ^ m3/h, temperature max ^ inlet pressure to be controlled ^ bar max permissible inlet pressure ^ bar flanges PN ^ acc to DIN ^ valve body PN 16/1 made of CrNiMo-steel with open spring cone with soft seal made of ^ control by diaphragm made of ^ medium touched parts made of CrNiMo-steel all CrNiMo-steel construction sense line connection EO 8 Overflow valve type 4.8 DN ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ relieved single-seated straightway valve KVS-value ^ m3/h, temperature max ^ inlet pressure to be controlled ^ bar max permissible inlet pressure ^ bar flanges PN ^ acc to DIN ^ valve body PN 16/1 made of CrNiMo-steel with closed spring housing cone with soft seal made of ^ control by diaphragm made of ^ medium touched parts made of CrNiMo-steel all CrNiMo-steel construction sense line connection EO 8