Class 0 Oil-Free Screw Blower Air Compressor for Wastewater Treatment Aeration and Powder Conveying

ISO Class 0 oil-free screw blower with 32% energy savings, designed for medium-to-large aeration and pneumatic conveying applications.

Working Pressure:0.5~2.5[ bar ]7.25~36[ psig ]
Free Air Delivery:7.2~158[ cfm ]254~5577[ m³/min ]
Working Power:11~630[ kw ]15~840[ hp ]

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Class 0 Oil-Free Screw Blower Air Compressor for Wastewater Treatment Aeration and Powder Conveying

Product Details

Product Features

* 100% Class 0 Certified Oil-Free Air: Guarantees absolute pure, oil-free compressed air delivery. Equipped with reliable dry screw technology to eliminate any risk of downstream contamination, meeting strict FDA and environmental standards.

* Up to 35% Energy Savings: Optimally designed screw rotor profiles significantly reduce internal leakage compared to traditional lobe root blowers. Cuts down operational electricity costs dramatically with an excellent ROI.

* Compact Smart Design & Low Noise: Engineered with a compact heavy-duty canopy and high-performance acoustic dampening materials. Operates smoothly under 75 dB(A), reducing workshop footprint and noise pollution.

* Intelligent VFD Control Integration: Supports advanced Permanent Magnet Synchronous Motors (PMSM) and Variable Frequency Drive (VFD) adjustment, dynamically matching actual air demand to maximize partial-load efficiency.

* Extended Service Life & Low Maintenance: Features premium heavy-duty bearings and specialized rotor anti-corrosion coatings. Minimal wearing parts translate to lower maintenance intervals and maximum uptime.

Technical Parameters

Model		RKEB 20									RKEB 40							RKEB 70							RKEB 100					RKEB 150
Discharge Pressure	Speed (rpm)	1800	2200	2500	3000	3500	4000	4500	5000	5500	1800	2200	2500	3000	3500	4000	4500	1800	2200	2500	3000	3500	3600	3800	1800	2200	2500	2800	3000	1500	2000	2300	2600	2900
0.5 bar	Flow (m3/h)	432	562	660	823	986	1149	1311	1474	1637	903	1158	1348	1667	1984	2302	2620	2005	2539	2939	3065	4272	4405	4672	4072	5120	5894	6677	7196	6674	9270	10740	12136	13350
	Shaft Power (kW)	7	9	11	13	16	19	22	26	29	15	18	21	27	33	40	47	31	40	46	59	73	76	82	65	84	100	118	131	107	159	189	218	246
	Motor Power (kW)	11	11	15	15	19	22	30	30	37	19	22	30	30	37	45	55	37	45	55	75	90	90	90	75	110	110	132	160	132	200	220	250	315
0.6 bar	Flow (m3/h)	417	547	645	808	971	1134	1297	1460	1622	880	1134	1325	1643	1961	2279	2597	1967	2501	2901	3568	4234	4368	4635	4012	5052	5836	6616	7138	6613	9136	10632	12014	13215
	Shaft Power (kW)	9	11	12	15	18	22	25	29	33	17	22	25	31	38	45	53	37	46	54	67	82	85	92	75	96	113	132	146	124	179	212	244	276
	Motor Power (kW)	11	15	15	19	22	30	30	37	37	22	30	30	37	45	55	75	45	55	75	75	90	110	110	90	110	132	160	160	160	200	250	315	315
0.7 bar	Flow (m3/h)	404	534	631	794	957	1120	1283	1446	1609	859	1113	1304	1622	1940	2258	2576	1932	2466	2867	3533	4200	4333	4600	3958	4999	5780	6563	7083	6520	9064	10558	11930	13123
	Shaft Power (kW)	10	12	14	17	21	24	28	32	37	22	25	28	35	42	50	58	42	53	61	75	92	95	102	85	108	127	147	162	140	200	233	268	303
	Motor Power (kW)	15	15	19	22	30	30	37	37	45	30	30	37	45	55	75	75	55	75	75	90	110	110	132	110	132	160	160	200	160	250	315	315	355
0.8 bar	Flow (m3/h)	392	521	619	782	945	1107	1270	1433	1597	838	1093	1284	1602	1920	2238	2555	1900	2434	2834	3501	4167	4301	4567	3908	4949	5729	6513	7033	6417	8982	10470	11831	13014
	Shaft Power (kW)	11	14	16	20	23	27	31	35	40	23	28	32	39	47	55	64	47	59	68	84	101	105	112	95	120	140	162	177	156	221	258	297	336
	Motor Power (kW)	15	19	19	22	30	37	37	45	45	30	37	37	45	55	75	75	55	75	90	110	110	132	132	110	132	160	200	200	200	250	315	355	400
1.0 bar	Flow (m3/h)	368	499	596	759	922	1085	1247	1410	1573	802	1067	1248	1566	1884	2202	2519	1842	2374	2775	3442	4109	4243	4508	3815	4858	5638	6420	6941	6314	8817	10176	11498	12648
	Shaft Power (kW)	13	16	19	23	28	32	38	44	50	26	32	37	46	56	66	77	55	69	80	100	122	127	136	111	142	167	195	214	186	266	310	356	402
	Motor Power (kW)	15	19	22	30	37	37	45	55	75	30	37	45	55	75	75	90	75	90	90	110	132	160	160	132	160	200	250	250	220	315	355	400	450
1.2 bar	Flow (m3/h)	347	477	575	738	901	1064	1227	1390	1552	770	1025	1410	1534	1851	2169	2488	1788	2322	2721	3389	4055	4189	4456	3732	4774	5555	6337	6858	6170	8714	10167
	Shaft Power (kW)	15	19	22	27	32	37	43	49	56	30	38	43	53	64	75	87	64	80	92	114	138	143	153	129	162	190	219	240	215	303	354
	Motor Power (kW)	19	22	30	30	37	45	55	55	75	37	45	55	75	75	90	110	75	90	110	132	160	160	200	160	200	250	250	315	250	355	400
1.5 bar	Flow (m3/h)	319	449	547	710	872	1035	1198	1361	1524	726	981	1171	1489	1807	2125	2443	1716	2249	2649	3317	3983	4116	4383	3618	4661	5442	6223	6744	5964	8518	10005
	Shaft Power (kW)	19	23	27	32	38	44	51	57	65	37	46	52	64	76	88	102	78	96	110	135	162	167	178	154	193	223	256	278	256	356	415
	Motor Power (kW)	22	30	30	37	45	55	75	75	75	45	55	75	75	90	110	132	90	110	132	160	200	200	200	200	250	250	315	315	315	400	500
1.8 bar	Flow (m3/h)	294	423	521	684	847	1009	1173	1336	1499	686	940	1131	1449	1768	2085	2403	1650	2184	2583	3251	3917	4051	4318	3516	4558	5340	6121	6643	5758	8343	9837
	Shaft Power (kW)	22	27	31	38	44	51	59	66	74	44	54	61	75	88	102	117	91	112	128	156	186	192	204	181	224	258	293	318	298	411	476
	Motor Power (kW)	30	37	37	45	55	75	75	75	90	55	75	75	90	110	132	132	110	132	160	200	250	250	250	200	250	315	355	355	355	500	560
2.0 bar	Flow (m3/h)	277	408	506	669	831	994	1157	1319	1482	661	916	1106	1425	1742	2060	2378	1610	1877	2543	3211	3877	4011	4278	3453	4493	5277	6057	6579	5655	8271	9724
	Shaft Power (kW)	22	27	31	38	45	53	61	69	78	44	54	62	76	91	107	124	93	104	133	165	199	207	221	186	233	272	313	340	305	430	502
	Motor Power (kW)	30	37	37	45	55	75	75	90	90	55	75	75	90	110	132	160	110	132	160	200	250	250	250	250	315	315	355	400	355	500	560
2.5 bar	Flow (m3/h)	253	372	469	631	795	958	1121	1283	1446	604	858	1050	1367	1685	2003	2321	1516	1783	2450	3117	3784	3917	4184	3307	4349	5130	5912	6432		8034	9496
	Shaft Power (kW)	22	33	38	46	54	63	71	81	90	53	65	75	91	107	125	144	111	124	158	194	231	239	255	221	275	318	361	392		505	586
	Motor Power (kW)	30	37	45	55	75	75	90	90	110	75	75	90	110	132	160	160	132	160	200	250	315	315	315	250	315	355	400	450		560	630
*Blower Dimensions (mm) LxWxH		Splash Lubrication : 1700x1000x1600 Force Feed Lubrication : 2500x1350x1900									Splash Lubrication : 2100x1200x1820 Force Feed Lubrication :3100x1700x2300							Splash Lubrication: 2300x1440x2060 Force Feed Lubrication: 3100x1700x2300							SP Lubrication: 3100x1700x2300 FF Lubrication: 3500x1900x2600					4000x2100x3000
Discharge Connection(DN)		DN125									DN150							DN200							DN250					DN300

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