Carver Pump GH - Key Component Materials

I-120
GH Pump 120 – 16.02.EN
7
Table 2. Key Component Materials
Component
Material
Specification
Bearing Frame
Cast Iron
ASTM A48, Class 30
Casing
316
ASTM A44, Class 30
Cast Iron
ASTM A48, Class 30
Impeller
Bronze
ASTM B584,C87500
Cast iron
ASTM A48, Class 30
316 SS
ASTM A744, Grade CF-8M
Shaft
Carbon steel
ASTM A108, Grade 1215
Table 3. Key Mechanical Data
Item
Bearing Frame
10P
20P
30P
Max power (BHP) @ 1750 RPM
20
75
250
@ 3600 RPM
40
150
500
Radial bearing type
207
210
211
Thrust bearing type
307
310
5,611
Thrust bearing lube (standard)
Grease
L10 bearing life (hrs) – radial
50,000
- thrust
25,000
Radial to thrust bearing c/l (in.)
6.75
8.50
11.20
Shaft diameter @ coupling
1.250
1.50
2.000
@ radial bearing
1.378
1.968
2.166
@ thrust bearing
1.378
1.968
2.165
@ impeller hub
0.875
1.250
1.625
@ shaft sleeve
1.000
1.375
1.750
Shaft sleeve OD (in.)
1.250
1.750
2.125
Impeller – thrust bearing c/l (in.)
8.00
9.00
9.63
Rotor WR2 (lb – in.) - shaft
0.014
0.058
0.126
7” impellers
15.10
10” impellers
56.67
11” impellers
137.56
13” impellers
233.74