KS Series Small Metering Pumps (Cheon-Sei / KEMPION)

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

Cheon-Sei KS compact small metering pumps; heat-resistant engineering plastic drive; double-ball valves; optional air vent; ~40–580 mL/min (50/60Hz).

Max flow

40–580 mL/min (50/60Hz)

Max pressure

max. 15 kgf/cm²

Turndown / accuracy

—

Wetted materials

—

Protection

—

Power

single-phase AC 220V 50/60Hz

Inquire Now Download datasheetxiongxiaoyang55@gmail.com

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

Compact design with heat-resistant engineering plastics
Safety motor with thermal switch, 1φ AC 220V
Precise double-ball valves; spring option for viscosity
Dial adjust while running with lock screw
Optional air-vent (except KS-52)
Wet-end PTC / FFC / STS / 6T6

Specifications

Flow	40–580 mL/min (50/60Hz)
Pressure	max. 15 kgf/cm²
Power	single-phase AC 220V 50/60Hz
Brand	KEMPION / Cheon-Sei

Applications

Small water treatment dosing

Boiler dosing

Cooling water treatment

Light chemical metering

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
KS-51	40 / 50 ml/min (50/60Hz)	15 kgf/cm²	108 / 136	40 W	2.4 kg	PVC ø6×ø11; PTFE ø10×ø12; high viscosity ø12×ø18; degassing PVC ø4×ø6 / PTFE ø5×ø7	stroke 3mm
KS-12	80 / 100 ml/min (50/60Hz)	10 kgf/cm²	108 / 136	40 W	2.4 kg	PVC ø6×ø11; PTFE ø10×ø12; high viscosity ø12×ø18; degassing PVC ø4×ø6 / PTFE ø5×ø7	stroke 3mm
KS-12P	120 / 140 ml/min (50/60Hz)	7 kgf/cm²	108 / 136	40 W	2.4 kg	PVC ø6×ø11; PTFE ø10×ø12; high viscosity ø12×ø18; degassing PVC ø4×ø6 / PTFE ø5×ø7	stroke 3mm
KS-22	200 / 240 ml/min (50/60Hz)	7 kgf/cm²	108 / 136	40 W	2.5 kg	PVC ø6×ø11; PTFE ø10×ø12; high viscosity ø12×ø18; degassing PVC ø4×ø6 / PTFE ø5×ø7	stroke 3mm
KS-32	300 / 360 ml/min (50/60Hz)	5 kgf/cm²	108 / 136	40 W	2.5 kg	PVC ø6×ø11; PTFE ø10×ø12; high viscosity ø12×ø18; degassing PVC ø4×ø6 / PTFE ø5×ø7	stroke 4mm
KS-52	480 / 580 ml/min (50/60Hz)	3 kgf/cm²	108 / 136	40 W	2.7 kg	PVC ø12×ø18; PTFE ø10×ø12; high viscosity ø12×ø18; degassing PVC ø4×ø6 / PTFE ø5×ø7	stroke 6mm; KS-52 no degassing valve

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; KS-52 no degassing valve.