Cheon-Sei AX1 Series Small Metering Pumps (KEMPION)

Name: Cheon-Sei AX1 Series Small Metering Pumps (KEMPION)
Brand: KEMPION

Cheon-Sei AX1 small mechanical diaphragm metering pumps; single/multi-head; ~20–1250 mL/min (50/60Hz). Models: AX1-21 / AX1-51 / AX1-12 / AX1-32 / AX1-52 / AX1-13.

Max flow

20–1250 mL/min (50/60Hz)

Max pressure

max. 15 kgf/cm²

Turndown / accuracy

—

Wetted materials

—

Protection

—

Power

single-phase 220V

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Best for: verifying flow/pressure and control interfaces against your dosing duty (Small Metering Pumps). Confirm chemical compatibility and install constraints before ordering — inquire for help.

Features

Wear-resistant resin drive/gears, die-cast durable
Thermal-protected motor; shaded-pole or TEFC, 1φ 220V
Precise valve; spring-loaded option for high viscosity
Multi-head for pulsation-free or dual-liquid mixing
Anti-leak wet end with dual seals
Manual dial with lock screw

Specifications

Flow	20–1250 mL/min (50/60Hz)
Pressure	max. 15 kgf/cm²
Power	single-phase 220V
Brand	KEMPION / Cheon-Sei

Applications

Lab & small dosing

Boiler feed chemical

Cooling tower treatment

Multi-liquid mixing

Materials & media

Ask for wetted-parts details or check the brochure.

Common chemicals: NaOCl, acids, alkalis, polymers — confirm compatibility when inquiring.

Controls & communication

Control options are listed in notes or confirmed on inquiry.

Models & specs

Model	Flow	Pressure	SPM	Power	Weight	Tube	Notes
AX1-21	20 / 25 ml/min (50/60Hz)	15 kgf/cm²	57 / 68	25 W	3.4 kg	PVC HWS ø6×ø11; HVS ø12×ø18; PTFE ø10×ø12; DN15	stroke 3mm
AX1-51	40 / 50 ml/min (50/60Hz)	15 kgf/cm²	114 / 136	25 W	3.4 kg	PVC HWS ø6×ø11; HVS ø12×ø18; PTFE ø10×ø12; DN15	stroke 3mm
AX1-12	90 / 110 ml/min (50/60Hz)	10 kgf/cm²	114 / 136	25 W	3.4 kg	PVC HWS ø6×ø11; HVS ø12×ø18; PTFE ø10×ø12; DN15	stroke 3mm
AX1-32	300 / 360 ml/min (50/60Hz)	5 kgf/cm²	114 / 136	25 W	3.4 kg	PVC HWS ø6×ø11; HVS ø12×ø18; PTFE ø10×ø12; DN15	stroke 6mm
AX1-52	460 / 550 ml/min (50/60Hz)	3 kgf/cm²	114 / 136	25 W	3.8 kg	PVC HWS/HVS ø12×ø18; PTFE ø10×ø12; DN15	stroke 6mm
AX1-13	1040 / 1250 ml/min (50/60Hz)	3 kgf/cm²	114 / 136	30 W	4.1 kg	PVC HWS/HVS ø12×ø18; PTFE ø10×ø12; DN15	stroke 6mm

Dimensions & installation

connection sizes shown, no separate outline drawing. wetted end / hose / flange sizes per model table; KDV-A/KHV-A controller and wiring diagram included. liquid 0–50 °C, ambient 0–40 °C.