Spring Return Sandwich Hydraulic Diaphragm Pump
Tapflo Gulf is proud to be the exclusive UAE Partner of Doseuro, a leading Italian manufacturer of the highest-quality Metering Pump Solutions.
Our Spring Return Sandwich Hydraulic Diaphragm Pump is designed for applications requiring precise and safe dosing of toxic solutions and liquids containing small amounts of suspended solids. Featuring a unique sandwich diaphragm and a reliable diaphragm rupture detection system, this pump ensures leak-free operation and high performance capabilities. Equipped with a standard gearbox reduction system and an IEC B14 electric motor conforming to UNEL-MEC specifications, the Spring Return Sandwich Hydraulic Diaphragm Pump offers exceptional reliability and versatility for demanding industrial environments.
Typical applications for our Spring Return Sandwich Hydraulic Diaphragm Pump:
- Water Treatment
- Fertigation
- Food
- Cooling Towers
- Paper
- Chemical
Overview
The Spring Return Sandwich Hydraulic Diaphragm Pump is ideal for industries that demand precise, leak-free dosing of liquids containing suspended solids or toxic substances. This pump series includes a built-in safety valve in the hydraulic circuit to protect the diaphragm against overpressure, ensuring safe and reliable operation. The positive fore-stroke, spring return mechanism, controlled by an eccentric, allows precise control over the stroke length, making it highly adaptable for various applications.
Features & Benefits
- Delivers accurate and reproducible dosing of liquids with suspended solids
- Unique sandwich diaphragm ensures high reliability and includes a rupture detection system
- Standard gearbox reduction system with a fully lubricated endless screw plus worm-wheel type mechanism
- Electric motors range from 0.18 KW to 0.75 KW, available in 3 phase (230/400V @ 50/60Hz) and 1 phase (230/50-60 Hz or 110/60 Hz) configurations
- Multiple diaphragm sizes available, from 1.5 to 1068 l/h, to suit different applications
- Motors conform to UNEL-MEC specifications, ensuring compatibility with various voltage and insulation classes, including explosion-proof versions
- Airtight, drip-proof design with built-in safety valve ensures safe operation with toxic liquids
- Can be fitted with various accessories such as polyethylene tanks, relief valves, back pressure valves, safety relief valves, injection valves, foot valves, pulsation dampeners, and calibration pots
- Fully lubricated gearbox and robust construction reduce the need for frequent maintenance, ensuring consistent performance
Specifications
| Motor Power Range | 0.18 KW to 0.75 KW |
| Voltage Options | 3 phase: 230/400V @ 50/60Hz, & 1 phase: 230/50-60 Hz or 110/60 Hz |
| Diaphragm Sizes | 1.5 l/h to 1068 l/h |
| Gearbox Type | Endless screw plus worm-wheel, fully lubricated |
| Stroke Mechanism | Positive fore-stroke, spring return, operated by an eccentric |
| Mounting | IEC B14 electric motor |
| Compliance | UNEL-MEC specifications |
Model Variations:
- SD 125 N: 108 l/h, 40 Barg
- SD 175 N: 418 l/h, 40 Barg
- SD 250 N: 1068 l/h, 20.7 Barg
Variations
Our Spring Return Sandwich Hydraulic Diaphragm Pump series offers several variations to meet different industrial needs:
- Standard Model: Suitable for general applications requiring precise dosing of liquids with suspended solids
- High Capacity Model: Designed for applications requiring larger volumes, equipped with higher capacity models up to 1068 l/h
- Explosion-Proof Model: For use in hazardous environments, featuring ATEX-rated motor variants
- Custom Material Model: Offers customised wetted parts in materials such as PVC, PP, PVDF, S.S.316L, and PTFE to match specific operational requirements
