MDX [en-US]
48
Shaft Size
Minimum Nose Gap
Minimum Nose
Gape for
Urethane Liners
(1)
Example Cross-Section Shown
1
Impeller
2
Suction Liner
3
Urethane Thickness
4
Nose Gap
Conventional
Limited End
Float
inch
mm
inch
mm
inch
mm
3 - 15/16
0.07
1.78
0.012
0.30
0.000
1 x Ureth
ane T
hick
ness
(
2
)
x ΔT(°F)
(3
)
+ Minimum Nose Gap
0.000
18 x Uret
han
e T
hickn
es
s
(
2)
x ΔT(°C)
(3
)
+ Minimum Nose Gap
5 - 7/16
0.09
2.29
0.012
0.30
6 - 7/16
0.09
2.29
0.012
0.30
7 - 3/16
0.09
2.29
0.012
0.30
9
0.11
2.79
0.012
0.30
10 - 1/4
0.12
3.05
0.015
0.38
11 - 1/2
0.13
3.30
–
–
(1)
Additional nose gap required to account for thermal expansion of urethane.
(2)
Measure urethane thickness at nose gap location.
(3)
ΔT = Operating Temperature - Ambient Temperature.
1
2
3
4
Summary of Contents for GIW MDX
Page 53: ...MDX en US 53 14 Notes...
