KD Series Mechanical Diaphragm Metering Pump (Cheon-Sei / KEMPION)

Name: KD Series Mechanical Diaphragm Metering Pump (Cheon-Sei / KEMPION)
Brand: KEMPION

Cheon-Sei / KEMPION KD mechanical diaphragm metering pumps, 20–45000 mL/min, vertical/horizontal motor, wet-ends PTC/FTC/STS/6T6.

Max flow

20 – 45000 mL/min

Max pressure

max. 10 Bar

Turndown / accuracy

—

Wetted materials

—

Protection

—

Power

3φ 220/380V 50Hz (standard)

Inquire Now Download datasheetxiongxiaoyang55@gmail.com

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

Features

Wide capacity 20–45000 mL/min
Precision-cast/CNC parts; leak-proof wet end
Durable drive components
Compact design with dial flow adjustment
Vertical (V) or horizontal (H) motor mounting
Wet-end options: PTC / FTC / STS / 6T6

Specifications

Flow	20 – 45000 mL/min
Pressure	max. 10 Bar
Adjustment	20–100%
Power	3φ 220/380V 50Hz (standard)
Brand	KEMPION / Cheon-Sei

Applications

Industrial water/wastewater dosing

Boiler chemical injection

Cooling water treatment

Process 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
KDV-21H	20 ml/min (1.2 L/h)	10 Bar	48	0.2 kW	14(17) kg	DN20	diaphragm Ø30mm
KDV-61H	50 ml/min (3.0 L/h)	10 Bar	48	0.2 kW	14(17) kg	DN20	diaphragm Ø36mm
KDV-12H	100 ml/min (6.0 L/h)	10 Bar	96	0.2 kW	14(17) kg	DN20	diaphragm Ø36mm
KDV-22H	210 ml/min (12.6 L/h)	10 Bar	48	0.2 kW	15(18) kg	DN20	diaphragm Ø55mm
KDV-52H	420 ml/min (25 L/h)	10 Bar	96	0.2 kW	15(18) kg	DN20	diaphragm Ø55mm
KDV-82H	840 ml/min (50 L/h)	10 Bar	116	0.2 kW	15(18) kg	DN20	diaphragm Ø68mm
KDV-13H	1420 ml/min (85 L/h)	10 Bar	80	0.2 kW	17(20) kg	DN20	diaphragm Ø100mm
KDV-23H	2080 ml/min (125 L/h)	8 Bar	116	0.2 kW	17(20) kg	DN20	diaphragm Ø100mm
KDV-33L	2900 ml/min (174 L/h)	5 Bar	48	0.4 kW	18(22) kg	DN25	diaphragm Ø130mm
KDV-43L	4000 ml/min (240 L/h)	5 Bar	116	0.4 kW	18(22) kg	DN25	diaphragm Ø130mm
KDV-53L	5800 ml/min (348 L/h)	5 Bar	116	0.4 kW	20(22) kg	DN25	diaphragm Ø130mm
KDV-73L	7300 ml/min (438 L/h)	4 Bar	116	0.4 kW	20(22) kg	DN25	diaphragm Ø130mm
KDV-33H	2900 ml/min (174 L/h)	10 Bar	48	0.4 kW	47 kg	DN25	diaphragm Ø130mm
KDV-73H	6200 ml/min (372 L/h)	7 Bar	96	0.4 kW	47 kg	DN25	diaphragm Ø130mm
KDV-43H	3600 ml/min (216 L/h)	8 Bar	48	0.4 kW	40 kg	DN25	diaphragm Ø145mm
KDV-63H	5500 ml/min (330 L/h)	7 Bar	48	0.4 kW	40 kg	DN25	diaphragm Ø145mm
KDV-93M	7500 ml/min (450 L/h)	5 Bar	96	0.4 kW	40 kg	DN25	diaphragm Ø145mm
KDV-14N	9800 ml/min (588 L/h)	4 Bar	96	0.4 kW	40 kg	DN25	diaphragm Ø145mm
KDV-14M	11500 ml/min (690 L/h)	5 Bar	96	0.75 kW	42 kg	DN40	diaphragm Ø145mm
KDV-24N	17500 ml/min (1050 L/h)	4 Bar	144	0.75 kW	42 kg	DN40	diaphragm Ø145mm
KDV-24M	21500 ml/min (1290 L/h)	3.5 Bar	144	0.75 kW	48 kg	DN40	diaphragm Ø177mm
KDV-14H	9000 ml/min (540 L/h)	7 Bar	48	0.75 kW	86 kg	DN40	diaphragm Ø177mm
KDV-14G	13300 ml/min (798 L/h)	5 Bar	96	0.75 kW	86 kg	DN40	diaphragm Ø177mm
KDV-24L	18400 ml/min (1104 L/h)	3 Bar	96	0.75 kW	86 kg	DN40	diaphragm Ø177mm
KDV-24S	23300 ml/min (1398 L/h)	3 Bar	96	0.75 kW	86 kg	DN40	diaphragm Ø195mm
KDV-34L	25000 ml/min (1500 L/h)	3.5 Bar	144	0.75 kW	89 kg	DN40	diaphragm Ø177mm
KDV-34M	30000 ml/min (1800 L/h)	3 Bar	144	0.75 kW	89 kg	DN40	diaphragm Ø195mm
KDV-24H	18400 ml/min (1104 L/h)	7 Bar	96	1.5 kW	88 kg	DN40	diaphragm Ø177mm
KDV-34H	26600 ml/min (1596 L/h)	5 Bar	96	1.5 kW	92 kg	DN40	diaphragm Ø195mm
KDV-54L	45000 ml/min (2700 L/h)	3 Bar	96	1.5 kW	100 kg	DN50	diaphragm Ø250mm

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. effective adjustment 20–100%; PTC/FTC 0–50 °C, STS/6T6 0–80 °C; suction lift ≤1m; ambient 0–40 °C.