Pump products

burks BKN Series Canned Motor Pump

Models: 13, BKN-201EH to BKN-1500QH
Power: 320-1950 W (EH 220 V / QH 380 V)
Max. flow 28 m3/h; max. head 32 m
Liquid: 0-90 C; ports 25-50 mm
Product description: The burks BKN series canned pump is a hot/cold water canned circulator: sealless, leak-free, quiet and low-consumption, HT200 cast iron casing, PPO/stainless impeller, motor thermal protection. 13 mod
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Overview

The BKN series canned pump is a hot/cold water canned circulator. Its hydraulic part consists of the pump casing and impeller: the casing is HT200 cast iron and the impeller is PPO modified engineering plastic / stainless steel. The motor has a built-in thermal protector that cuts the circuit when the winding temperature exceeds the limit and restarts the motor when the temperature falls back - safe and reliable. For circulation duty in domestic central hot-water, air-source and solar systems.

From the manual (Chinese): introduction, working conditions and dimensions

Features

● Canned construction: sealless, leak-free, quiet and low energy consumption
● HT200 cast iron casing; PPO / stainless steel impeller, corrosion resistant
● Built-in motor thermal protection with automatic restart
● 13 models: EH single-phase 220 V, QH three-phase 380 V; 320-1950 W, max. flow 5-28 m3/h, max. head 16-32 m, ports 25-50 mm

Technical data (table 7.1)

Model	Supply	Input W	Current A	Max head m	Max flow m3/h	Rated head m	Rated flow m3/h	Port mm	Weight kG	Pressure bar
BKN-201EH	1~220V 50Hz	320	1.5	16	5	10	3	25	7	5
BKN-402EH	1~220V 50Hz	720	3.2	23	6.5	16	4	32	10	5
BKN-403EH	1~220V 50Hz	660	3.2	23	6.5	16	4	25	10	5
BKN-601EH	1~220V 50Hz	880	4	28	7.5	20	4	25	11.5	5
BKN-750EH	1~220V 50Hz	1100	5.1	26	12	18	6.6	32	12.5	4
BKN-751EH	1~220V 50Hz	1250	6	32	7.5	20	5	32	13	4
BKN-1100EH	1~220V 50Hz	1500	7.2	30	16	23	8	40	19	4
BKN-1500EH	1~220V 50Hz	1950	10	24	28	20	16	50	21	4
BKN-601QH	1~380V 50Hz	880	4	28	7.5	20	4	25	11.5	5
BKN-750QH	1~380V 50Hz	1100	5.1	26	12	18	6.6	32	12.5	4
BKN-751QH	1~380V 50Hz	1250	6	32	7.5	20	5	32	13	4
BKN-1100QH	1~380V 50Hz	1500	7.2	30	16	23	8	40	19	4
BKN-1500QH	1~380V 50Hz	1950	10	24	28	20	16	50	21	4

From the manual (Chinese): data table and performance curves

From the manual (Chinese): maintenance and troubleshooting

Working conditions and applications

● Ambient temperature 0-40 C, liquid temperature 0-90 C, altitude <1000 m
● Circulation for domestic central hot-water systems, air-source heat pumps, solar systems and similar
● Warranty: one year for non-man-made faults under normal use

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