ST1-12 - 12 mm mechanical seal

Replacement for Pedrollo PK 90, PQ 70, PQ 80, PQ 81, PQ 90, PQ 60-BS, PQ 65-BS, PQ 81-Bs, PQA 60, PQA 70, PQA 72, PQA 80, PQA 82, PQA 90 , PQ 81/PRO, PV 55, PV 60, PV 65, PV 70, PV 81, PV 90.