ASM DS25 Diaphragm Pump – 1" (25NB) (0.25 kW, 240V Single Phase)
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The ASM DS25 is a compact and reliable mechanical diaphragm pump ideal for industrial and environmental applications. Its 1" BSPF port size, SG iron castings, and nitrile diaphragm provide durability and high efficiency for tasks including transfer, dewatering, oil skimming, oil/water separation, wastewater treatment, spill clean-up, and bilge pumping. The 0.25 kW single-phase motor ensures low power consumption while maintaining consistent performance.
Suitable Applications
- Transfer duties
- Dewatering
- Oil skimming
- Oil / water separation
- Wastewater treatment
- Spill clean-up
- Bilge pumping
Key Specifications
| SKU | DS25 |
| Pump Type | Mechanical diaphragm pump |
| Port Size | 1" BSPF (25 NB) |
| Maximum Flow | 23 L/min |
| Maximum Suction Lift | 6 m |
| Maximum Discharge Head | 6 m |
| Maximum Solid Handling | 15 mm sphere |
| Pump Casing | SG Iron (Options: Bronze, Stainless Steel) |
| Diaphragm | Nitrile (Options: EPDM, Viton, PTFE interface) |
| Valves | Nitrile flap valves with stainless steel seats (Options: EPDM, Viton, Polyurethane) |
| Motor Power | 0.25 kW |
| Voltage | 240 V, Single Phase |
| Ingress Protection | IP55 |
| Optional Drive Configurations | Increased safety motors (Ex e / Ex d), 12 V & 24 V DC, Air motor, Hydraulic motor |
Recommended Accessories
- Discharge Pulsation Dampener – PD1D
- Suction Pulsation Dampener – PD1S
- Fluid End Service Kit – D25K1
Documentation & Downloads
| DS25 Data Sheet | Download PDF |
| Installation & Maintenance Manual | Download PDF |