H Series
Digital Display, Precision Dosing
Product Overview
The H Series solenoid-driven diaphragm metering pump features a digital LED display with precise stroke frequency adjustment, making it ideal for low-flow, high-accuracy chemical dosing applications. Its straightforward design simplifies installation and maintenance, and the pump is widely used in water treatment, chemical processing, and food-grade industries.
Working Principle
An electromagnetic solenoid converts electrical pulses into linear reciprocating motion. Each pulse drives the diaphragm forward, displacing a precise volume of liquid through the discharge check valve. On the return stroke, the diaphragm retracts and draws liquid through the suction check valve. Dosing rate is controlled by adjusting stroke frequency (pulses per minute) and/or stroke length, providing a wide turndown ratio of up to 1:100.
Wiring & Signal Output
Product Features
Technical Data
| Model | Max Flow (L/h) | Max Pressure (bar) | Power (W) |
|---|---|---|---|
| H-0308 | 3 | 8 | 20 |
| H-0710 | 7 | 10 | 20 |
| H-1507 | 15 | 7 | 20 |
| H-3005 | 30 | 5 | 20 |
* Specifications listed are for standard models. Contact us for custom configurations.
Typical Applications
Installation & Application Gallery
Water treatment dosing system — multiple solenoid metering pumps installed in parallel
Warehouse stock — solenoid metering pumps ready for dispatch
Outdoor chemical dosing station — solenoid pumps with chemical storage tanks
Frequently Asked Questions
What is the maximum flow rate of this solenoid metering pump?+
The flow rate depends on the specific model. Solenoid metering pumps in the H Series range from 0.5 L/h to 60 L/h at maximum pressure. Refer to the technical table above for model-specific flow rates.
Can this pump dose corrosive chemicals such as hydrochloric acid or sodium hypochlorite?+
Yes. Liquid end materials including PVDF and SS316 are available for aggressive chemicals. PTFE diaphragms provide excellent chemical resistance. Please specify your chemical and concentration when requesting a quote.
What control signals does this pump accept?+
Standard models support manual stroke frequency adjustment. Advanced models (H+ and HS series) accept 4-20mA analog input, pulse input, and RS485 Modbus RTU for PLC/SCADA integration.
What is the ingress protection rating?+
IP65 as standard, suitable for outdoor and washdown environments. IP67 is available on request.
Is OEM or private label available?+
Yes. TL Environment offers OEM manufacturing and private label services. Contact us with your specifications and volume requirements.
Request a Quote
Share your process parameters (flow rate, back pressure, media) and we will provide an accurate quotation.
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