Mechanical dosing pumps
Etatron offers a comprehensive range of mechanical dosing pumps, that are available in diaphragm and piston technologies. Units come standard in 380V configuration, however 220V units are available as an option.
Diaphragm pumps
Available in two models , mini [ST-D] and standard D versions.
Pump are available with the choice of pump head, valve type and choice of elastomers
- Flows – 1 to 535l/h
- Injection pressure – 2 to 14Bar
- Pump heads – PP, PVC
- PVDF or SS316
- Ball valves – Ceramic or SS316
- Elastomers – FPM, EPDM or NBR
Piston pumps
Available in two models , mini [ST-P] and standard P versions.
Pump are available with the choice of pump head, valve type and choice of elastomers
- Flows – 1 to 1 027l/h
- Injection pressure – 3 to 20Bar
- Pump heads – PP, PVC PVDF or SS316
- Ball valves – Ceramic or SS316
- Elastomers – FPM, EPDM or NBR
Speciality pumps
All pumps available with 4-20mA control via stoke length adjustment or with VFD

Series ST-D MOTOR DRIVEN DIAPHRAGM DOSING PUMP
The Diaphragm Motor Driven Dosing Pump is a manual adjustment pump from 10% to 100%.
- Maximum Flow Rate: up to 123 l/h at 50Hz up to 148 l/h at 60Hz
- Maximum Pressure: up to 14 bar
- Power Supply Range: 230-400 three phase 50Hz (*) 275-480 three phase 60Hz (*)
- Motor: 0.18 kW
- Stroke rate: from 60 to 120 strokes/min at 50Hz from 72 to 144 strokes/min at 60Hz
- Pump head: PP, PVC, SS316 or PVDF
- Valves: Ceramic or SS316 balls
- Valve Seals: FPM, EPDM or NBR
- Valve Seats: PVC or PVDF
- Diaphragm: PTFE
- External casing: Die-cast aluminum housing protected by epoxy/anti-acid paint
- Protection: IP55
- Isolation Class: F
- Connections: ½”Gm
- Installation Kit: Not included
(*) Upon request: different configurations.

Series Type D MOTOR DRIVEN DIAPHRAGM DOSING PUMP
The Diaphragm Motor Driven Dosing Pump is a manual adjustment pump from 10% to 100%.
- Maximum Flow Rate: up to 535 l/h at 50Hz up to 574 l/h at 60Hz
- Maximum Pressure: up to 12 bar for SS316L head up to 10 bar for PVC head
- Power Supply Range: 230-400 three phase 50Hz (*) 275-480 three phase 60Hz (*)
- Motor: 0.25 or 0.37 kW
- Stroke rate: from 60 to 120 strokes/min at 50Hz from 72 to 122 strokes/min at 60Hz
- Pump head: PVC, SS316 or PVDF
- Valves: Ceramic or SS316 balls
- Valve Seals: FPM, EPDM or NBR
- Valve Seats: PVC or PVDF
- Diaphragm: PTFE/NBR
- External casing: Die-cast aluminum housing protected by epoxy/anti-acid pain
- Protection: IP55
- Isolation Class: F
- Connections: ¾” or 1”Gm
- Installation Kit: Not included
(*) Upon request: different configurations.

Series ST-P Motor Driven Piston Pumps
The AP Series of Motor Pumps features two options for 4-20 mA Control; inverter control or automatic stroke length control.
- Thread: Gas male
- Valves: Single ball check valve (AISI Valves only) Double ball check valve (PVC Valves only)
- Pump Head Configuration: PVC, AISI or PVDF with FPM, EPDM & NBR Seals
- Flow Rate Control: Manual Stroke Length Adjustment as standard Optional 4-20 mA Automatic Stroke Length Adjustment (models with 9.3, 10, 12.3, 14, 14.5 15 & 20 mm stroke lengths only) Optional 4-20 mA Inverter Control (requires self-ventilated motor)
- Power Supply Options: 230 – 400 V Three phase 50 Hz 230 V Single Phase 50 Hz 110 V Single Phase 50 Hz (60 Hz versions are also available)

Series P Motor Driven Piston Pumps
The BP series are high flow rate mechanical piston pumps for pressurised applications in chemical dosing.
- Flow Rate: 14 - 1027 L/H
- Maximum Pressure: 25 Bar (low flow rate AISI head models), 6.5 bar (highest flow rate models).
- Motor Options: Single Phase, Three Phase, optional ATEX Zone 2 compatibility, optional self-ventilated motor. Accepts 230 – 400 V input at 50 Hz, single phase motors restricted to 230/110 V.
- Inverter Control: Yes. Expert installation only. Requires self-ventilated motor.
- Pump Head: PVC, AISI
- Seal Material: FPM, EPDM & NBR
- Thread: Gas male ½”, ¾”, 1”, 1½”
- ATEX Rated Motor: ATEX EEx-d 2G (Zone1) IIB T4 IP55 (Gas) ATEX EEx-d 2D (Zone1) IIB T4 IP65 (Dust)
- Valves: Single ball check valve (AISI only), Double ball check valve (PVC only), ceramic or AISI ball valve options.