S4 25/20 - PUMP END 25 GPM 2 HP - DAB PUMPS
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S4 stainless and technopolymer pump end for 4 in wells and irrigation
A DAB S4 pump end for clean water, sold without a motor. It is made for 4 in boreholes, tanks and cisterns, and for water boosting, gardening and irrigation, with the higher flow and head models reaching into agricultural irrigation. Impellers are designed for high efficiency per the PEI Directive starting from 25 GPM.
Sizing
- S4 series: up to 120 GPM and 1500 ft of head
- Flow and head class for this listing are in the product title
- For this pump end's own curve, see the technical catalog under Downloads
- 1-1/4 in NPT thread on S4 5 to 25 models
Motor match
Fit it to a 4 in 4GG, 4TW or 4GX motor. Single phase 4GG and 4GX motors need a separate 4CBUS control box. 4TW motors do not. Three phase protection is supplied by the user. Variable speed drive use is suitable from 30 to 60 Hz.
Built to last
Stainless steel liner, shaft, coupling, suction filter and cable guard, with AISI 304 stainless suction and delivery supports and a removable non-return valve. Installs vertically; horizontal is possible with a cooling sleeve.
Spec sheets and instructions are under Downloads. Order at your trade pricing or pick up at ProSource in Kelowna, Westside, Burnaby, Vancouver, Langley or Calgary.
- Technopolymer impellers housed with stainless steel adjustment rings.
- Pump liner, shaft, coupling with motor, integrated suction filter and cable guard are in stainless steel.
- Suction and delivery supports in micro-cast AISI 304 stainless steel.
- Removable built-in non-return valve in technopolymer or with stainless steel plate, depending on model.
- Technopolymer impellers designed for high efficiency in accordance with PEI Directive starting from 25 GPM.
- Pump can be coupled with 4 in motors: 4GG, 4TW and 4GX.
- 4GG and 4GX single phase motors must be installed with a control box (4CBUS line, sold separately). On three phase versions the protection must be provided by the user.
- 4TW motors operate without a starting control box, using 2 wire technology with internal capacitor and thermal protector.
| Brand | DAB |
|---|---|
| Manufacturer part # | S4 60Hz |
| Supplied as | Pump end only (motor sold separately) |
| Series | S4 60Hz 4 in multi-impeller borehole pump |
| Flow rate (series) | Up to 120 GPM |
| Head (series) | Up to 1500 ft (457.2 m) |
| Minimum well diameter | 4 in (10 cm) |
| Pump maximum diameter | 3.9 in (10 cm) |
| Connection thread, S4 5 to 25 models | 1-1/4 in NPT |
| Impeller material | Technopolymer |
| Maximum immersion depth | 984 ft (299.9 m) with 4GG or 4TW motor |
| Liquid temperature | 32 °F to 104 °F (0 °C to 40 °C) |
| Pumped liquid | Clean, free of solids and abrasive substances, non-viscous, non-aggressive, non-crystallized and chemically neutral |
| Maximum sand content | 0.009 lb/ft³ (150 g/m³) |
| Maximum starts | 20 per hour |
| Protection class | IP68 |
| Motor insulation class | F |
| Motors that fit | 4 in 4GG, 4TW and 4GX |
| Motor power options (series) | Single phase 115 V or 230 V 60 Hz; three phase 230 V or 460 V 60 Hz |
| Installation | Fixed, vertical. Horizontal possible, with a cooling sleeve recommended |
| Variable speed drive | Suitable, 30 to 60 Hz |