Stern Basic diameter scope ：50-710mm Stern Wear-resisting liner external diameter ：70-670mm Slippery oil actuating pressure ：1-2bar Slippery oil working temperature ：-25°C～+110°C Stern Wear-resisting liner linear velocity ：≤7m/sec Letting out amount equally ：5-30ml/h
Model explanation: model represent the sand prevention, gear thing ring and number of channels of sealing ring from model mark and difference( guard against fishing net) symbol and specifications digital composition ． explain specificly as picture:
Oil lubrication piping system for reference
Sing example： The model sign of such a set of stem tube seals that the diameter of the liners is 330mm and the aft seal has three(3)sea rings and one(1)sand ring is as folowl： Fwd stem tube seal model sign：HTYQ-330 Aft stem tube seal model sing：HTYHF-330
0rder specification
1)Ship name or ship number，owner，shipyard 2)Loaded draft 3)Stern haft center line hight from baseline 4)Stern shaft revolution
5)Stern shaft diameter 6)Navigation area 7)Variety and quality of spare parts 8)Other requitements
-330
F-330
