ST-D

Name: ST-D
Availability: InStock
Rating: 5 (22 reviews)

The Etatron ST-D is a series of heavy-duty, motor-driven diaphragm dosing pumps that use PTFE diaphragms to deliver precise dosing and reliable operation. Engineered for demanding duty cycles, the ST-D series achieves nominal flow rates up to 300 L/h and maximum operating pressures up to 14 bar. With versatile liquid end materials, including PP, PVC, SS316L, and PVDF, the ST-D series meets a broad range of industrial chemical dosing needs in water supply treatment, wastewater processing, and chemical production loops.

Brand: Etatron

Product Type: Pumps

PRODUCT FEATURES

Motor-driven mechanical diaphragm design ensures continuous, steady-state operation under heavy industrial workloads.
Solid PTFE diaphragm providing high chemical compatibility and extended operational service life.
Maximum flow capacity of 300 L/h (50 Hz) and 360 L/h (60 Hz).
Maximum operating pressure up to 14 bar.
Multiple liquid end material configurations: PP, PVC, SS316L, and PVDF.
Ceramic or SS316L check valve ball options for optimized sealing and chemical compatibility.
Corrosion-resistant die-cast aluminum housing protected by an epoxy-coated finish.
IP55 protection rating and Class F motor insulation.
Supports flexible motor options and external 4-20 mA proportional speed and stroke control.
Broad chemical compatibility designed for aggressive reagents and diverse field operating conditions.
Manufactured under ISO 9001:2015 quality management systems, compliant with CE safety directives, with optional UL/CSA or ATEX-certified motors available upon request.

SPECIFICATIONS

Maximum flow rate

300 L/h (at 50 Hz) or 360 L/h (at 60 Hz)
Maximum pressure

14 bar
Frequency

60-120 strokes/min (at 50 Hz) or 72-144 strokes/min (at 60 Hz)
Motor

0.18 kW or 0.25 kW
Power supply

230-400 V, 3 phase, 50/60 Hz
Pump head material

PP, PVC, SS316L, PVDF
Membrane material

PTFE
Balls

Ceramic or SS316L
Ball seats

FPM, EPDM or NBR
Protection degree

IP55
Insulation class

Class F

The Etatron ST-D motor-driven diaphragm metering pump is engineered to meet rigorous industrial chemical dosing requirements with superior volumetric accuracy and structural reliability. It combines solid PTFE diaphragms, versatile liquid end material options, and a rugged mechanical drive mechanism. The ST-D series handles aggressive fluids across variable operating conditions. Below are the technical specifications, key operational advantages, international certifications, and target industrial applications for the ST-D series.

1. Technical specifications of Etatron ST-D pumps

The Etatron ST-D motor-driven chemical metering pump lineup includes multiple hydraulic models covering flow rates from 16 to 300 L/h (50 Hz) or 19 to 360 L/h (60 Hz). This provides precise capacity selection for process applications.

Available models include:

AD0016
AD0030
AD0033
AD0060
AD0061
AD0123
AD0150
AD0300

Each model is configured with specific stroke displacement volumes, operating pressure limits, and diaphragm diameters. With interchangeable liquid end materials (PP, PVC, SS316L, and PVDF), plant engineers can easily match pump metallurgy and head configurations to specific chemical media and hydraulic requirements.

Detailed technical specifications for the Etatron ST-D series are summarized below:

SPECIFICATION	VALUE
Maximum flow rate	300 L/h (at 50 Hz) or 360 L/h (at 60 Hz)
Maximum pressure	14 bar
Frequency	60-120 strokes/min (at 50 Hz) or 72-144 strokes/min (at 60 Hz)
Motor	0.18 kW or 0.25 kW
Power supply	230-400 V, 3 phase, 50/60 Hz
Pump head material	PP, PVC, SS316L, PVDF
Membrane material	PTFE
Balls	Ceramic or SS316L
Ball seats	FPM, EPDM or NBR
Protection degree	IP55
Insulation class	Class F

2. Key operational advantages of Etatron ST-D pumps

Engineered for demanding industrial chemical feed applications, the Etatron ST-D delivers consistent metering performance, high mechanical durability, and uninterrupted duty cycle operation. Key advantages include:

Direct electric motor drive, providing steady-state mechanical metering and high operational stability.
Chemically inert solid PTFE diaphragm designed for broad reagent compatibility and high fatigue resistance.
High hydraulic capacity, with flow rates up to 300 L/h (50 Hz) / 360 L/h (60 Hz) and pressures up to 14 bar.
Comprehensive liquid end material selection (PP, PVC, SS316L, and PVDF) to handle acids, bases, coagulants, and solvents.
Rugged die-cast aluminum pump body with anti-corrosion epoxy coating, suited for aggressive industrial plant environments.
IP55 enclosure rating and Class F insulation, satisfying strict industrial electrical safety standards.
Supports automated process integration via optional external 4-20 mA control mechanisms, including electric servomotors for automatic stroke-length adjustment and Frequency inverters / VFDs for automatic motor speed control, both via 4-20 mA signals.
Fully certified under ISO 9001:2015 quality frameworks and fully compliant with European Union CE safety directives.
Flexible hydraulic modularity, offering customizable configurations to match complex industrial chemical feed skids.

Key operational advantages of Etatron ST-D pumps — *The Etatron ST-D pump features high durability, superior chemical resistance, and versatile configurations*

3. International certifications for the Etatron ST-D series

Manufactured by Etatron D.S. S.p.A., an established Italian chemical dosing equipment manufacturer with over 40 years of engineering expertise, the ST-D diaphragm metering pump complies with stringent international quality and safety directives:

ISO 9001:2015 quality management – Certified manufacturing control processes ensuring consistent manufacturing quality and strict component tolerances.
CE marking (Conformité Européenne) – Fully compliant with European health, safety, and environmental protection standards.
Optional UL/CSA certified motors – Available to satisfy North American electrical safety and industrial grid compliance standards.
Optional ATEX certification – Motor options rated for hazardous environments with explosive dust or gas atmospheres, available upon request.

4. Target industrial applications for Etatron ST-D series

Featuring high volumetric accuracy, robust drive mechanics, and broad chemical end compatibility, the Etatron ST-D series is widely integrated across automated chemical dosing skids in process industries:

Water supply treatment and wastewater processing: Accurate dosing of polyaluminum chloride (PAC), synthetic polymers, sodium hypochlorite (NaOCl), caustic soda (NaOH), sulfuric/hydrochloric acids, pH adjusters, and specialty water treatment chemicals.
Chemical processing industry: Dosing aggressive acids, alkalis, organic solvents, and corrosive chemical reagents in continuous production loops.
Food and beverage industry: Metering liquid food additives, CIP cleaning chemicals, and sanitizing reagents in process sanitation systems.
Textile and dyeing industry: Precision injection of processing auxiliaries, liquid dyes, and finishing chemical solutions.
Pulp and paper processing: Chemical feed of bleaching reagents, retention aids, defoamers, and process water treatment formulations.
Commercial pools and municipal water utilities: Injection of chlorine compounds, pH buffer solutions, and disinfectants for public water facilities.
General industrial applications: Well-suited for raw water treatment, cooling tower chemistry control, boiler feedwater treatment, and environmental scrubber systems.

Industrial applications for Etatron ST-D series — *The Etatron ST-D pump is widely applied in chemical dosing systems across industrial water supply treatment, chemical processing, and textile dyeing plants*

5. Authorized distributor of genuine Etatron ST-D pumps

ATS Water Technology Co., Ltd. is the authorized distributor of genuine Etatron metering pumps and chemical dosing equipment in Vietnam. With deep field experience in industrial water supply treatment and fluid control systems, we deliver tailored chemical feed solutions for industrial water treatment plants, WWTP skids, and continuous manufacturing process loops.

When procuring Etatron ST-D pumps through ATS Water Technology, customers receive:

Genuine Etatron equipment imported directly from Italy with transparent certificates of origin (CO/CQ).
Engineering consultation to select the exact model parameters that match target flow rates, operating pressure, and fluid chemical characteristics.
Complete inventory of genuine spare parts, liquid end kits, valves, and replacement diaphragms.
Full technical support covering equipment sizing, system integration, and field operation and maintenance (O&M).
Rapid commercial quotations and engineered solutions tailored to specific plant infrastructure requirements.

The engineering team at ATS Water Technology is ready to help specify the optimal Etatron ST-D configuration for your facility. Contact us today for technical datasheets, application engineering support, and detailed commercial quotes.

ATS WATER TECHNOLOGY CO., LTD