Operating instructions 1 / 13 BT-BURGMANN S.p.A. OPERATING MANUAL BT-BURGMANN MECHANICAL SEALS AR/AR3 â RN/RN3/RN6 â FN/FN3 â FH/FHC/FH6 â PN/PNL â PNT â A2 â A3 RN.NU/RN3.NU/RN6.NU…
