Regenerative Blower – Efficient & Energy-Saving Air Delivery Equipment

Regenerative blowers, also known as side channel blowers or vortex blowers, are commonly used gas pressurization devices in applications such as water treatment, pneumatic conveying, and environmental protection equipment. Their design allows them to generate relatively high airflow pressure and low flow rates, making them particularly suitable for situations requiring stable air delivery over extended periods. Regenerative blowers differ from traditional centrifugal fans or Roots blowers by relying on the high-speed rotation of the impeller to generate vortices, compressing air through multiple cycles to achieve pressurization.

Specification
Working Principle
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Specification

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GHBH Series High Pressure Regenerative Blower
GHBG Series Ultra High Pressure Regenerative Blower

GHBH Series High Pressure Regenerative Blower

The GHBH series high-pressure regenerative blowers are efficient and reliable air delivery devices, primarily used in industrial applications requiring high pressure and high flow rates. This series of blowers employs advanced design and manufacturing processes, providing contactless, oil-free air flow delivery, suitable for various industrial needs such as gas transmission, vacuum suction, and wastewater treatment. When paired with a variable frequency drive, the performance of the GHBH series high-pressure regenerative blower can be significantly improved.

Specification

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Table 1: GHBH Series High Pressure Regenerative Blower Specification
Model	Frequency	Motor			Weight	Sound	Max Airflow	Max Vacuum	Max Pressure	Pressure Relief Valve/Filter
		Rated
		Power	Voltage	Current
	Hz	KW	V	A	Kg	Db (A)	m³/h	mbar	mbar
GHBH 0D5 12 1R2	50	0.37	200–240	2.7	11	53	80	-110	110	RV-01/MF-10
GHBH 0D5 12 1R2	60	0.45	220–275	3.0	11	56	98	-130	140	RV-01/MF-10
GHBH 0D5 12 AR2	50	0.37	200–240	2.7	11	54	100	-110	110	RV-01/MF-10
GHBH 0D5 12 AR2	60	0.45	220–275	3.0	11	57	120	-130	140	RV-01/MF-10
GHBH 001 12 2R2	50	0.7	200–240	4.5	15	55	88	-210	240	RV-01/MF-10
GHBH 001 12 2R2	60	0.83	220–275	5.6	15	61	103	-250	250	RV-01/MF-10
GHBH D73 12 1R3	50	0.55	200–240	3.7	13	55	100	-120	120	RV-01/MF-10
GHBH D73 12 1R3	60	0.62	220–275	4.5	13	57	120	-130	150	RV-01/MF-10
GHBH 001 12 1R3	50	0.7	200–240	4.8	14	55	100	-150	150	RV-01/MF-10
GHBH 001 12 1R3	60	0.8	220–275	4.1	14	57	120	-150	160	RV-01/MF-10
GHBH 1D7 12 2R3	50	1.1	200–240	7.3	17	58	120	-240	280	RV-01/MF-10
GHBH 1D7 12 2R3	60	1.3	220–275	8.3	17	60	145	-230	260	RV-01/MF-10
GHBH 1D2 12 1R4	50	0.8	200–240	5.2	15	63	145	-150	160	RV-01/MF-12
GHBH 1D2 12 1R4	60	0.9	220–275	5.8	15	64	175	-160	140	RV-01/MF-12
GHBH 1D7 12 1R4	50	1.1	200–240	7.3	16	63	145	-150	190	RV-01/MF-12
GHBH 1D7 12 1R4	60	1.3	220–275	8.3	16	64	175	-180	190	RV-01/MF-12
GHBH 002 12 2R4	50	1.5	200–240	9.0	26	66	150	-280	290	RV-01/MF-12
GHBH 002 12 2R4	60	1.75	220–275	10.0	26	69	180	-250	280	RV-01/MF-12
GHBH 1D2 12 AR4	50	0.85	200–240	5.2	16	64	180	-100	110	RV-01/MF-12
GHBH 1D2 12 AR4	60	0.95	220–275	5.8	16	66	210	-100	110	RV-01/MF-12
GHBH 1D7 12 AR4	50	1.1	200–240	7.3	17	64	180	-170	210	RV-01/MF-12
GHBH 1D7 12 AR4	60	1.3	220–275	8.3	17	66	210	-145	145	RV-01/MF-12
GHBH 1D7 12 1R5	50	1.1	200–240	7.3	21	64	210	-160	160	RV-01/MF-16
GHBH 1D7 12 1R5	60	1.3	220–275	8.3	21	70	255	-150	160	RV-01/MF-16
GHBH 002 12 1R5	50	1.5	200–240	9.0	24	64	210	-190	200	RV-01/MF-16
GHBH 002 12 1R5	60	1.75	220–275	10.	24	70	255	-180	180	RV-01/MF-16
GHBH 002 12 AR5	50	1.5	200–240	9.0	26	65	270	-140	120	RV-01/MF-16
GHBH 002 12 AR5	60	1.75	220–275	10.0	26	71	330	-110	100	RV-01/MF-16
GHBH 003 12 1R7	50	2.2	200–240	12.8	30	72	318	-190	190	RV-01/MF-16
GHBH 003 12 1R7	60	2.55	220–275	12.8	30	74	376	-190	200	RV-01/MF-16
Note: The motor is a single-phase motor.

GHBG Series Ultra High Pressure Regenerative Blower

The GHBG series ultra-high pressure regenerative blower can generate a pressure difference of up to 1,000 bar, enabling stable gas transportation over long distances or through complex piping networks. It can maintain efficient operation even when facing challenges such as system resistance, bends, or height differences. This series of blowers also features low noise and no wear characteristics, allowing for continuous operation for up to 20,000 hours without any maintenance or repairs.

Specification

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Table 2: GHBG Series Ultra High Pressure Regenerative Blower Specification
Model	Frequency	Motor			Weight	Sound	Max Airflow	Max Vacuum	Max Pressure	Pressure Relief Valve/Filter
		Rated
		Power	Voltage	Current
	Hz	KW	V	A	Kg	Db (A)	m³/h	mbar	mbar
GHBG D73 12 1R2	50	0.55	200–240	3.1	18	57	47	-230	290	RVG1.2/MF-10
GHBG D73 12 1R2	60	0.63	220–275	7.1	18	62	57	-270	320	RVG1.2/MF-10
GHBG 1D2 12 1R3	50	0.94	200–240	9.0	18	57	66	-250	350	RVG1.2/MF-10
GHBG 1D2 12 1R3	60	1.1	220–275	9.0	18	62	80	-280	390	RVG1.2/MF-10
GHBG 1D7 12 1R4	50	1.1	200–240	10.1	23	55	87	-300	380	RVG1.2/MF-10
GHBG 1D7 12 1R4	60	1.3	220–275	10.3	23	62	105	-350	390	RVG1.2/MF-10
GHBG D73 34 1R2	50	0.55	200–240 △/345–415	2.8 △/1.6Y	16	57	47	-230	290	RVG1.2/MF-10
GHBG D73 34 1R2	60	0.63	220–275 △/380–480	3.0 △/1.7Y	16	62	57	-270	320	RVG1.2/MF-10
GHBG D73 34 1R3	50	0.55	200–240 △/345–415	2.8 △/1.6Y	16	57	66	-250	250	RVG1.2/MF-10
GHBG D73 34 1R3	60	0.63	220–275 △/380–480	3.0 △/1.7Y	16	62	80	-260	250	BVG1.2/MF-10
GHBG 1D2 34 1R3	50	0.81	200–240 △/345–415	4.0 △/2.3Y	17	59	66	-280	350	RVG1.2/MF-10
GHBG 1D2 34 1R3	60	0.94	220–275 △/380–480	4.0 △/2.3Y	17	62	80	-340	360	RVG1.2/MF-10
GHBG 1D7 34 1R4	50	1.1	200–240 △/345–415	5.4 △/3.1Y	23	55	87	-300	380	RVG1.2/MF-10
GHBG 1D7 34 1R4	60	1.3	220–275 △/380–480	5.4 △/3.1Y	23	62	105	-340	370	RVG1.2/MF-10
GHBG 002 34 1R5	50	1.5	200–240 △/345–415	7.5 △/4.3Y	26	64	120	-310	360	RVG1.2/MF-10
GHBG 002 34 1R5	60	1.75	220–275 △/380–480	7.6 △/4.4Y	26	68	145	-340	320	RVG1.2/MF-10
GHBG 003 34 1R5	50	2.2	200–240 △/345–415	11.4 △/6.6Y	29	64	120	-310	470	RVG1.2/MF-10
GHBG 003 34 1R5	60	2.55	220–275 △/380–480	11.2 △/6.5Y	29	68	145	-360	480	RVG1.2/MF-10
GHBG 003 34 1R6	50	2.2	200–240 △/345–415	11.4 △/6.6Y		65	165	-340	360	RVG1.2/MF-10
GHBG 003 34 1R6	60	2.55	220–275 △/380–480	11.2 △/6.5Y	32	71	195	-360	315	RVG1.2/MF-10
GHBG 4D4 34 1R6	50	3.3	200–240 △/345–415	13.0 △/7.5Y	35	65	165	-340	480	RVG1.2/MF-10
GHBG 4D4 34 1R6	60	3.8	220–275 △/380–480	14.2 △/8.2Y	35	71	195	-380	530	RVG1.2/MF-10
GHBG 002 12 2R2	50	1.5	200–240	9.7	30	58	47	-370	600	RVG1.2/MF-10
GHBG 002 12 2R2	60	1.75	220–275	10.3	30	62	60	-420	660	RVG1.2/MF-10
GHBG 002 12 2R3	50	1.5	200–240	9.7	32	59	65	-400	550	RVG1.2/MF-10
GHBG 002 12 2R3	60	1.75	220–275	10.3	32	63	76	-390	540	RVG1.2/MF-10
GHBG 1D2 34 2R2	50	0.81	200–240 △/345–415Y	4.0 △/2.3Y	24	58	47	-370	490	RVG1.2/MF-10
GHBG 1D2 34 2R2	60	0.94	220–275 △/380–480Y	4.0 △/2.3Y	24	62	60	-440	480	RVG1.2/MF-10
GHBG 002 34 2R2	50	1.5	200–240 △/345–415Y	7.5 △/4.3Y	28	58	47	-370	650	RVG1.2/MF-10
GHBG 002 34 2R2	60	1.75	220–275 △/380–480Y	7.5 △/4.3Y	28	62	60	-500	740	RVG1.2/MF-10
GHBG 1D7 34 2R3	50	1.1	200–240 △/345–415Y	5.4 △/3.1Y	29	59	65	-400	480	RVG1.2/MF-10
GHBG 1D7 34 2R3	60	1.3	220–275 △/380–480Y	5.4 △/3.1Y	29	63	76	-480	460	RVG1.2/MF-10
GHBG 002 34 2R3	50	1.5	200–240 △/345–415Y	7.5 △/4.3Y	30	59	65	-440	540	RVG1.2/MF-10
GHBG 002 34 2R3	60	1.75	220–275 △/380–480Y	7.6 △/4.4Y	30	63	76	-560	600	RVG1.2/MF-10
GHBG 002 34 2R4	50	1.5	200–240 △/345–415Y	7.5 △/4.3Y	33	61	87	-480	450	RVG1.2/MF-10
GHBG 002 34 2R4	60	1.75	220–275 △/380–480Y	7.6 △/4.4Y	33	66	105	-430	410	RVG1.2/MF-10
GHBG 4D4 34 2R4	50	3.3	200–240 △/345–415Y	13 △/7.5Y	39	61	87	-500	750	RVG1.2/MF-10
GHBG 4D4 34 2R4	60	3.8	220–275 △/380–480Y	13.8 △/8Y	39	66	105	-510	850	RVG1.2/MF-10
GHBG 003 34 2R5	50	2.2	200–240 △/345–415Y	11.4 △/6.6Y	40	64	120	-470	460	RVG1.2/MF-10
GHBG 003 34 2R5	60	2.55	220–275 △/380–480Y	11.2 △/6.5Y	40	70	145	-500	450	RVG1.2/MF-10
GHBG 5D5 36 2R5	50	4	345–415 △	9.0 △	51	65	120	-500	820	RVG1.2/MF-10
GHBG 5D5 36 2R5	60	4.6	380–480 △	9.5 △	51	71	145	-530	810	RVG1.2/MF-10
GHBG 4D4 34 2R6	50	3.3	200–240 △/345–415Y	13 △/7.5Y	48	67	165	-460	500	RVG1.2/MF-10
GHBG 4D4 34 2R6	60	3.8	220–275 △/380–480Y	14.2 △/8.2Y	48	71	195	-480	420	RVG1.2/MF-10
GHBG 7D5 36 2R6	50	5.7	345–415 △	12.5 △	65	68	165	-460	740	RVG1.2/MF-10
GHBG 7D5 36 2R6	60	6.6	380–480 △	12.0 △	65	72	195	-480	840	RVG1.2/MF-10
GHBG 010 36 3R6	50	7.5	345–415 △	16.0 △	85	72	170	-730	1040	MF-10
GHBG 010 36 3R6	60	8.6	380–480 △	16.0 △	85	76	200	-700	1040	MF-10

Working Principle

The impeller of the regenerative blower is directly mounted on the motor rotor, providing completely contactless compression. Since the pump bearings are installed outside the compression chamber, the machine can ensure maximum operational reliability even when working at the highest pressure differentials.

The gas is drawn in through the intake port 1, and as it enters the side channel 2, the rotating impeller 3 imparts velocity to the gas in the direction of rotation, while the centrifugal force on the blades accelerates the gas outward, increasing its pressure. As the rotation continues, the kinetic energy of the gas increases, further raising the pressure of the gas along the side channel. As the side channel narrows at the outlet, the gas is expelled from the pressure chamber and discharged from the pump body through the outlet silencer 4.

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