M 80 RP IR
Manometers and hydrometers, I.S.P.E.S.L. normative version with bourdon spring, bottom connection, DN 80
M 50-63 RP IR
Manometers and hydrometers, I.S.P.E.S.L. normative version with bourdon spring, bottom connection, DN 50–63
M 100 RM
Bourdon spring pressure gauges, bottom connection, standard version, DN 100
M 80 RP
Bourdon spring pressure gauges, bottom connection, standard version, DN 80
M 40-50-63 RP
Bourdon spring pressure gauges, bottom connection, standard version DN 40–50–63
