Mechanical Diaphragm Pumps
HND Series Mechanical Diaphragm Metering Pump
High-pressure mechanical diaphragm pump with modified PTFE diaphragm up to 30 bar and SS316 liquid end; can replace some hydraulic diaphragm pumps at lower initial cost.
Max flow
47 - 160 L/h
Max pressure
12 - 30 bar
Turndown / accuracy
—
Wetted materials
SS316
Protection
—
Power
—
Features
- Mechanical diaphragm, spring return, easy maintenance
- Modified PTFE diaphragm up to 30 bar
- No hydraulic oil, lower long-term cost
- Damping slide-rod for smooth low noise
- Optional electric stroke (manual/4-20mA)
- Optional PTFE elastic check valve and outlet back-pressure valve
Specifications
| Flow rate | 47 - 160 L/h |
| Pressure | 12 - 30 bar |
| Motor power | 370 / 550 W |
| Liquid-end material | SS316 |
| Diaphragm | modified PTFE, max. 30 bar |
Applications
Materials & media
| Liquid end | SS316 |
| Diaphragm | modified PTFE (max. 30 bar) |
Common chemicals: NaOCl, acids, alkalis, polymers — confirm compatibility when inquiring.
Controls & communication
| Manual stroke | Standard |
| Electric stroke manual/4-20mA | — |
Models & specs
| Model | Flow | Pressure | SPM | Power | Notes | |
| HND-47/3.0 | 47 L/h | 30 bar | 118 | 370 W | stroke 4mm diaphragm 90mm per stroke 6.6ml; liquid end SS316 | |
| HND-70/2.0 | 70 L/h | 20 bar | 177 | 370 W | stroke 4mm diaphragm 90mm per stroke 6.6ml; liquid end SS316 | |
| HND-115/1.8 | 115 L/h | 18 bar | 118 | 550 W | stroke 6mm diaphragm 105mm per stroke 16.2ml; liquid end SS316 | |
| HND-135/1.6 | 135 L/h | 16 bar | 118 | 550 W | stroke 7mm diaphragm 105mm per stroke 19ml; liquid end SS316 | |
| HND-160/1.2 | 160 L/h | 12 bar | 118 | 550 W | stroke 8mm diaphragm 105mm per stroke 22.6ml; liquid end SS316 |
Dimensions & installation
high pressure mechanical diaphragm, modified PTFE max. approx. 30 bar; liquid end SS316. mounting dimensions see mounting diagram.
Downloads
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Need help selecting?
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