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Grundfos DMX 380-3 Mechanical Dosing Pump 380 L/h 3 Bar
Grundfos DMX 380-3 Mechanical Dosing Pump 380 L/h 3 Bar
The Grundfos DMX 380-3 is a robust mechanical diaphragm dosing pump delivering up to 380 L/h at 3 bar. It features a PVC dosing head, PTFE-coated diaphragm, PTFE valve components and manual stroke-length adjustment. Ideal for water treatment, chemical dosing, pH adjustment and demanding industrial process applications.
Vendor: Grundfos
Unavailable
KEY FEATURES
- Approx. 380 L/h nominal dosing capacity at 50 Hz
- 3 bar maximum operating pressure
- Robust positive displacement diaphragm dosing pump
- Mechanically coupled diaphragm drive
- PVC dosing head
- Long-life PTFE-coated diaphragm
- PTFE/composite valve balls
- PTFE/composite valve seats
- PTFE/composite valve gaskets
- Single ball valve design
- Handles liquids up to 50 mPa·s viscosity
- Manual stroke-length adjustment with 10:1 adjustment ratio
- Robust aluminium pump housing
- Standard inlet and outlet non-return valves
- 19/27 and 20/25 connection size options
- 3 × 230/400 V, 50 Hz three-phase motor
- 0.2 kW power input
- IP65 enclosure rating
- CE, EAC and CNROHSEX approvals
The Grundfos DMX 380-3 is a versatile positive displacement diaphragm dosing pump designed for reliable higher-capacity chemical dosing in demanding industrial and process applications. Its robust construction, mechanically coupled diaphragm drive and straightforward capacity adjustment provide dependable dosing performance.
The diaphragm is mechanically coupled through a precise gear-eccenter-tappet system to a high-efficiency AC motor. Dosing capacity can be adjusted by varying the stroke length using the stroke adjustment knob, providing an adjustment ratio of 1:10. The liquid end incorporates single ball valves, while the robust aluminium enclosure is designed for industrial operating environments.
This configuration features a PVC dosing head, long-life PTFE-coated diaphragm and PTFE/composite valve components. With a nominal dosing capacity of 380 L/h, maximum operating pressure of 3 bar and compatibility with liquids up to 50 mPa·s viscosity, the pump provides dependable performance for compatible industrial and chemical dosing applications.
ADDITIONAL FEATURES
- Long-life PTFE-coated diaphragm
- Mechanically coupled diaphragm design
- Easy-to-install and operate design
- Robust aluminium enclosure
- Optimum capacity and stroke-frequency graduation
- Dosing flow variation ±1.5% (FS)
- Linearity ±4% (FS)
- Single ball valve design
- Standard inlet non-return valve
- Standard outlet non-return valve
- Connection pack for inlet and outlet
- Connection sizes: 19/27 and 20/25
- Maximum permissible inlet pressure of 0 bar
- Liquid temperature range from 0 to 40 °C
- Standard control variant
- Not prepared for VFD operation
- IP65 motor enclosure
APPLICATIONS
- Process engineering, water treatment, wastewater treatment, industrial chemical dosing, chemical treatment, disinfection, pH adjustment and other compatible applications requiring reliable higher-capacity chemical metering at pressures up to 3 bar.
PRODUCT PACKAGE INCLUDES
- Grundfos DMX 380-3 Mechanical Dosing Pump
SPECIFICATIONS
| Specification | Details |
|---|---|
| Product Name | Grundfos DMX 380-3 |
| Product Number | 99772227 |
| Model / Configuration | DMX 380-3 B-PVC/T/T-X-E1U3U3XEMAG |
| EAN Number | 5713834042492 |
| Pump Type | Positive displacement diaphragm dosing pump |
| Diaphragm Drive | Mechanically coupled |
| Nominal Flow Rate | 380 L/h at 50 Hz (approx. 100.4 US GPH) |
| Maximum Operating Pressure | 3 bar (approx. 43.5 psi) |
| Number of Dosing Heads | 1 |
| Maximum Viscosity | 50 mPa·s |
| Pump Housing | Aluminium |
| Dosing Head Material | PVC |
| Diaphragm | PTFE-coated |
| Valve Ball Material | PTFE / Composite |
| Valve Seat Material | PTFE / Composite |
| Valve Gasket Material | PTFE / Composite |
| Valve Configuration | Single ball valves |
| Inlet Non-Return Valve | Standard |
| Outlet Non-Return Valve | Standard |
| Inlet Connection | Connection pack |
| Outlet Connection | Connection pack |
| Connection Sizes | 19/27, 20/25 |
| Maximum Permissible Inlet Pressure | 0 bar |
| Liquid Temperature Range | 0 to 40 °C |
| Power Input (P1) | 0.2 kW (approx. 0.268 HP) |
| Rated Voltage | 3 × 230/400 V |
| Mains Frequency | 50 Hz |
| Maximum Frequency | 50 Hz |
| Enclosure Class | IP65 |
| Control Variant | Standard |
| Frequency Converter | Not prepared for VFD |
| Cable Included | No |
| Power Plug | No plug |
| Diaphragm Leakage Detection | No |
| Net Weight | 15 kg (approx. 33.1 lb) |
| Gross Weight | 26.3 kg (approx. 58.0 lb) |
| Shipping Volume | 0.156 m³ |
| Approvals | CE, EAC, CNROHSEX |
| Country of Origin | Germany (DE) |
| Custom Tariff Number | 8413509060 |
ADDITIONAL RESOURCES
PRODUCT BROCHURE
Additional information about Grundfos DMH Mechanical Dosing Pumps are outlined in the DMH product brochure.
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PRODUCT INFORMATION SHEET (PIS)
Detailed information about the product, is provided in the product information sheet below.
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