Graham Corporation
20
Section 5 - Maintenance
5.1 Performance
Optimum performance and long service life are dependent upon good maintenance procedures
and periodic inspections. When preparing to dismantle a pump, make provisions for the safe
handling of heavy parts.
5.2 Series 1 and 2 Pump Estimated Weights ( lbs.)*
Cast Iron
Pump Model Dry Operating Flooded Pump Model Dry Operating Flooded
PV31040 97 103 108 PV32040 139 146 152
PV31080 106 114 121 PV32080 161 171 181
PV31120 115 125 134 PV42120 214 227 234
PV41160 194 206 218 PV42160 245 262 280
PV51080 243 257 271 PV52120 342 364 386
PV51120 265 282 299 PV52160 377 403 430
PV51160 331 351 370 PV52200 397 428 459
PV51200 408 434 461 PV62160 582 622 661
PV61255 639 675 710 PV62240 613 666 719
PV61335 705 745 785 PV72200 1124 1202 1279
PV71300 1190 1268 1345 PV72300 1323 1424 1526
PV71400 1323 1407 1490 PV72400 1510 1625 1739
PV81360 3086 3186 3285 PV72500 1674 1812 1918
PV81460 3417 3549 3682 PV82350 3219 3364 3510
PV81560 3748 3902 4056 PV82450 3483 3633 3784
PV91540 4299 4475 4652 PV82550 3748 3898 4048
PV91670 4519 4694 4869 PV92540 5060 5235 5410
PV92670 5500 5675 5850
Stainless Steel, Carbon Steel, and Bronze
Pump Model Dry Operating Flooded Pump Model Dry Operating Flooded
PV31040 102 123 130 PV32040 146 175 183
PV31080 111 136 146 PV32080 169 205 217
PV31120 121 149 161 PV42120 225 272 280
PV41160 204 247 262 PV42160 257 315 336
PV51080 255 286 392 PV52120 359 437 463
PV51120 278 341 402 PV52160 396 484 516
PV51160 348 421 444 PV52200 417 513 550
PV51200 428 521 553 PV62160 611 746 794
PV61255 671 810 852 PV62240 644 799 862
PV61335 740 894 942 PV72200 1180 1442 1534
PV71300 1250 1521 1614 PV72300 1389 1709 1831
PV71400 1389 1688 1788 PV72400 1586 1950 2087
PV81360 3240 3390 3540 PV72500 1758 2137 2286
PV81460 3588 3738 3888 PV82350 3380 3530 3680
PV81560 3935 4085 4235 PV82450 3657 3807 3957
PV91540 4514 4689 4864 PV82550 3980 4085 4235
PV91670 4745 4920 5095 PV92540 5313 5488 5663
PV92670 5775 5950 6125
Table 2
* Pump weights apply to PV or PC design. For units in kg, multiply lbs. by 0.454
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