JRC JLN-900 Installation And Instruction Manual page 68

Intermediate Tube and Blanking Plate Manufacture
1. Use Table 2.1 above to choose the required Intermediate Tube length and the part
number and the length of the Transducer Connecting Tube to be ordered or already
supplied.
2. Prepare the Intermediate Tube according to the dimensions shown in Fig. 2.3.
The material used should be steel, type ISO S355JR or equivalent.
Fig. 2.3 Intermediate Tube
Ø160
0
Ø149.8
-0.3
Ø132
Ø132
0
Ø149.8
-0.3
Ø160
4-30