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Hydraulic Diaphragm Metering Pump

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Hydraulic Diaphragm Metering Pump [1]
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Hydraulic Diaphragm Metering Pump

Pressure Rating : Max working pressure of 50MPa for plunger type; Max working pressure of 70MPa for hydraulic diaphragm type

Steady-state Precision : Within ±1%

Flow Adjustment Range : Ultra-wide 1000:1

Electrical Specifications : AC 220V/380V, single/three-phase, 50/60Hz; explosion-proof certification options available

Flow Capacity : Maximum flow rate of 45m³/h for plunger and hydraulic diaphragm models

Wetted Component Materials : 304 stainless steel, 316L stainless steel, PVDF, 904 stainless steel, 2205 duplex steel, titanium alloy (TA), Hastelloy C and other custom materials

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Hydraulic Diaphragm Metering Pump

Product Overview

The DM and JM digital metering pump series feature a fully modular hardware and software digital control architecture, supporting universal adaptation to mechanical diaphragm, plunger, and hydraulic diaphragm metering pumps.

The complete series offers customized explosion-proof configurations for hazardous working conditions. With streamlined mechanical structure, these pumps enable effortless on-site installation and routine maintenance, while diverse intelligent functions expand application versatility across industrial scenarios.

For human-machine interaction, the JM series utilizes a large high-definition backlit LCD screen with physical key operation for stable, intuitive control. The DM series features a full-touch HMI for enhanced user experience, plus additional pressure and liquid level monitoring with fault alarm functions for high-accuracy fluid dosing with programmable timing, cyclic, and intermittent operating modes.

Technical Specifications

Flow Capacity	Maximum flow rate of 45m³/h for plunger and hydraulic diaphragm models
Pressure Rating	Max working pressure of 50MPa for plunger type; Max working pressure of 70MPa for hydraulic diaphragm type
Electrical Specifications	AC 220V/380V, single/three-phase, 50/60Hz; explosion-proof certification options available
Wetted Component Materials	304 stainless steel, 316L stainless steel, PVDF, 904 stainless steel, 2205 duplex steel, titanium alloy (TA), Hastelloy C and other custom materials

Product Advantages

Optimized innovative transmission structure ensures excellent operational stability, precise delivery and long-term reliability
Diversified pump head material options (PVDF, PVC, 304 and 316L stainless steel) to adapt to different medium corrosion conditions
Universal modular design compatible with diaphragm, plunger and hydraulic diaphragm pump structures
Optional explosion-proof modular configuration for flammable and explosive industrial environments
Achieves steady-state precision and repeatability precision within ±1% for accurate dosing control
Ultra-wide 1000:1 flow adjustment range with excellent linear flow control accuracy
Supports 4-20mA analog signal bidirectional input and output for remote flow regulation
Compatible with pulse signal control for precise quantitative adjustment
Multiple control modes: manual/automatic switching, local/remote centralized control
Built-in professional flow calibration function ensures long-term metering accuracy
Supports external pressure and liquid level signal access for automatic equipment protection and linkage control
Intelligent batch dosing with fixed time and fixed volume settings
Multiple universal serial interfaces supporting standard Modbus RTU communication protocol
Flexible HMI configuration: touch screen display (DM series) and high-definition backlit LCD screen (JM series)

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