Danfoss Locking Ring for AB-QM DN 10-32 (5 pcs.) — accessory / spare for the Danfoss hydronic-balancing range. Locking ring for the AB-QM DN 10-32 range (pack of 5) — fits over the presetting dial to inhibit unintentional changing of the commissioned flow setting. This is the DN 10-32 variant; the earlier DN 15-32 locking ring is 003Z0236. Fits valve connection DN 10-32. Used with: AB-QM. Net weight 0.09 Kilogram. OEM P/N 003Z1236. EAN 5702425087509. Technical data quoted verbatim from store.danfoss.com (code 003Z1236).