IMPELLER SELECTION CHART
SD-312
FOR MODEL SD-312 GEN 1 STAINLESS
H.P. |
8.1S |
8.1A |
5.7S |
5.7A |
4.3S |
4.3A |
150 |
3075 |
3200 |
3350 |
3500 |
3650 |
3800 |
200 |
3400 |
3550 |
3700 |
3850 |
4000 |
4200 |
250 |
3650 |
3800 |
4000 |
4150 |
4300 |
4500 |
300 |
3850 |
4050 |
4200 |
4400 |
4575 |
4800 |
350 |
4050 |
4225 |
4450 |
4625 |
4825 |
5025 |
400 |
4250 |
4425 |
4625 |
4850 |
5025 |
5300 |
450 |
4475 |
4650 |
4800 |
5025 |
5250 |
5500 |
500 |
4575 |
4800 |
5000 |
5225 |
5415 |
5700 |
550 |
4725 |
4950 |
5175 |
5400 |
5600 |
5900 |
*THESE RPM VALUES MAY VARY ACCORDING TO HOW YOUR BOAT ALLOWS THE PUMP TO LOAD |
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HORSE POWER REQUIREMENTS ARE AT THE PUMP SHAFT |
FOR MODEL SD-312 GEN 2 STAINLESS
H.P. |
2.4 KW |
2.6 KW |
2.9 KW |
3.3 KW |
4.0 KW |
5.0 KW |
150 |
3600 |
3500 |
3400 |
3250 |
3050 |
2825 |
200 |
4000 |
3900 |
3700 |
3550 |
3325 |
3100 |
250 |
4300 |
4200 |
4000 |
3850 |
3600 |
3325 |
300 |
4550 |
4400 |
4250 |
4100 |
3825 |
3575 |
350 |
4800 |
4650 |
4500 |
4300 |
4025 |
3725 |
400 |
5000 |
4850 |
4700 |
4500 |
4225 |
3900 |
450 |
5200 |
5050 |
4900 |
4675 |
4375 |
4075 |
500 |
5400 |
5250 |
5050 |
4850 |
4550 |
4225 |
550 |
5550 |
5400 |
5200 |
5000 |
4700 |
4350 |
*THESE RPM VALUES MAY VARY ACCORDING TO HOW YOUR BOAT ALLOWS THE PUMP TO LOAD |
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HORSE POWER REQUIREMENTS ARE AT THE PUMP SHAFT |
AMERICAN TURBINE JET DRIVE |
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IMPELLER SIZE |
SMALL DIAMETER |
MACHINED ANGLE |
8.1S |
AS CAST |
DEGREES |
8.1A |
7.878 |
26 DEGREES |
5.7S |
7.15 |
28 DEGREES |
5.7A |
6.95 |
28 DEGREES |
4.3S |
6.75 |
28 DEGREES |
4.3A |
6.57 |
28 DEGREES |