Instruction Manual
for
DEUBLIN
Bore-Mounted
Two-Channel Rotating Unions
Model/Series:
1112-240-001
Number:
Release: 275 V
Page 5 of 11
DEUBLIN Company • 2050 Norman Drive • Waukegan IL 60085-6747 USA • +1-847-689-8600 •
+1-847-689-8690 •
ISO 4406:1999
Code 17/15/12
NAS 1638
Class 9
SAE 749-1963
Class 5
Particle
size (
μ
m)
Particles
per 100ml
Particle
size (
μ
m)
Particles
per 100ml
Particle
size (
μ
m)
Particles
per 100ml
4 – 6
≤
130,000
5 – 15
≤
64,000
5 – 10
≤
87,000
6 – 14
≤
32,000 15 – 25
≤
11,400
10 – 25
≤
21,400
14 – 60
≤
4,000
25 – 50
≤
2,025
25 – 50
≤
3,130
Unacceptable
Acceptable
50 – 60
≤
360
50 – 60
≤
430
(ISO 21/19/17 at 100x)
(ISO 16/14/11 at 100x)
Only pure water should be used to make up for coolant evaporation. Calcium and magnesium
salts in most tap water shorten coolant life, by depleting the chemicals in the coolant, by
breaking down the water-oil emulsion, and by encouraging bacterial growth. These salts also
can cause residue to build up inside the rotating union, leading to premature failure. Proper
coolant maintenance also prolongs tool life and improves the surface finish of your parts.
Interface with Machine
1112-240-001 is designed for installation in a 48 mm counterbore with a 7.4 mm octagonal drawbar extension.
This configuration sometimes is found most often on European spindles and machine tools. Detailed
interface dimensions are shown in the drawing below.
To avoid damage to shaft seals inside the rotating union,
no sharp edges are permitted on the male octagonal section of the drawbar extension.
