- Performance Parameters
4SP8 Series
Deehp’s high-performance encapsulated 4-inch fountain pump is specially built for medium-large simultaneous multi-spray fountain operation. Equipped with enlarged stamped SS304 impeller channels, this Deehp pump effectively lowers clogging risks caused by tiny outdoor pond sediment. Featuring full stainless steel hydraulic construction and optional fluororubber sealing, it delivers reliable operation in hard water conditions. Fully compatible with DEEHP 1.5kW–7.5kW 4-inch oil-cooled submersible motors, its flexible multi-stage design provides adjustable lift ranging from 15m to 221m, perfectly suited for small square musical fountain groups and shallow pond bubbling display systems.
Deehp’s 4SP8 sub-series is a stainless steel submersible fountain pump with a uniform 4-inch outer barrel diameter, fixed rated flow of 8 m³/h, standard 50Hz power frequency and rated rotating speed of 2850rpm. All pump units within this Deehp sub-series share identical casing size, design flow, frequency and rotational speed; performance differences only come from varying impeller stage counts and matched Deehp motor power to meet diverse fountain lift requirements.
Model Description:
e.g.,4SP8-5
4 —— pump size (inches),
SP —— pump series,
8 —— rated flow rate (m³/h),
5 —— 5 impeller stages
| MOTOR PUMP MODEL | MOTOR | DELIVERY (n~2850r/min) | OUTLET DIAMETER | ||||||||
| KW | HP | FL ow m/h | 0 | 2 | 4 | 6 | 8 | 10 | |||
| 4SP8-05 | 0.75 | 1.1 | HEAD (m) | 32 | 30 | 26 | 25 | 21 | 15 | 18 | DN 50 2" |
| 4SP8-07 | 1.1 | 1.5 | 44 | 41 | 36 | 35 | 30 | 21 | 13 | ||
| 4SP8-10 | 1.5 | 2 | 63 | 59 | 52 | 50 | 43 | 30 | 19 | ||
| 4SP8-12 | 2.2 | 3 | 76 | 70 | 63 | 60 | 51 | 36 | 23 | ||
| 4SP8-14 | 2.2 | 3 | 89 | 84 | 74 | 70 | 60 | 42 | 27 | ||
| 4SP8-18 | 3 | 4 | 114 | 109 128 | 95 | 90 | 77 | 54 | 34 | ||
| 4SP8-21 | 4 | 5.5 | 133 | 115 | 105 | 90 | 63 | 40 | |||
| 4SP8-24 | 4 | 5.5 | 152 | 145 | 132 | 120 | 103 | 72 | 46 | ||
| 4SP8-30 | 5.5 | 7.5 | 190 | 183 | 166 | 150 | 129 | 90 | 57 | ||
| 4SP8-35 | 5.5 | 7.5 | 221 | 211 | 192 | 175 | 1 50 | 105 | 67 | ||
| 4SP8-40 | 7.5 | 10 | 252 | 243 | 228 | 200 | 172 | 120 | 76 | ||
| 4SP8-44 | 7.5 | 10 | 278 | 268 | 243 | 220 | 1 89 | 132 | 84 | ||
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