We make all sorts of roots blower, centrifugal blower, Our Main merchandise are as beneath:
Sort | Diameter | Fee of circulation | Strain |
ESR-MJ(Intensive Variety) | Φ50~Φ300mm | .5~140m³/min | 9.8KPa~98.8Kpa |
ESR(Normal Type) | Φ50~Φ350mm | .5~140m³/min | 9.8KPa~78.4Kpa |
ESR-H(Substantial-force Type) | Φ50~Φ350mm | .seven~160m³/min | 58.8KPa~98.8Kpa |
ESR-V(Vacuum Pump) | Φ50~Φ350mm | .5~160m³/min | 9.8KPa~fifty three.3Kpa |
EL Collection | Φ200~Φ600mm | twenty.three~750m³/min | nine.8KPa~58.8Kpa |
Multistage Centrifugal Blower or C-Collection |
Φ250~Φ500mm | 50~500m³/min | nine.8KPa~98Kpa |
ERR-ERG Variety | Φ250~Φ500mm | one hundred twenty~420m³/min | 9.8KPa~ninety eight.8Kpa |
The functioning theory of the a few-blade roots blower: two 3-lobed rotors are organized in the cavity, and the
suction port and the discharge port are opened on both sides of the cavity. Through the motion of a pair of
synchronous gears, the two rotors rotate in reverse instructions and Relying on the mutual engagement of the two
rotors, the suction port and the discharge port are isolated, and the gasoline in the chamber is pushed to achieve the
function of blowing.
Function of our roots blower:
1. Large adjustment of the air quantity
two. Low Sounds
3. High efficiency
4. Lower energy cosumption
5. Long time life
six. Dependable working, straightforward maintenance,tiny footprint
The parameters of our roots blower:
Variety | Ratary Speed (r/min) |
Strain Rise (Kpa) |
Potential (m/min) |
Shaft Energy (Kw) |
Motor | Device Maximn Weight(Kg) |
Power (Kw) |
||||||
ESR-fifty | 1100-2120 | nine.8-58.eight | .sixty five-two.58 | .3-three.fifty four | .seventy five-4 | 128-158 |
ESR-sixty five | 1100-2130 | nine.eight-fifty eight.8 | .ninety four-three.66 | .38-4.forty six | .seventy five-5.five | a hundred and fifty five-185 |
ESR-eighty | 1140-1900 | 9.8-fifty eight.8 | 2.34-five.43 | 1.04-seven.42 | 2.2-eleven | 155-277 |
ESR-a hundred | 1060-1980 | nine.8-58.eight | 4.fifty seven-9.05 | 1.35-twelve.fifteen | three-fifteen | 309-377 |
ESR-125 | 980-1850 | nine.8-fifty eight.eight | 5.35-twelve.4 | one.65-5.19 | 5.5-eighteen.5 | 408-451 |
ESR-125C | 970-1830 | nine.8-fifty eight.eight | seven.5-17.57 | 3.two-eighteen.five | 4-22 | 408-451 |
ESR-a hundred and fifty | 810-1730 | nine.eight-fifty eight.8 | 10.37-27.fifteen | 3.84-forty.eighty two | 7.five-45 | 688-848 |
ESR-a hundred seventy five | 970-1520 | 9.eight-58.eight | 19.sixty five-36.sixty five | 7.two-forty five.95 | 11-fifty five | 980-1080 |
ESR-200B | 740-1450 | 9.8-fifty eight.eight | 19.sixty five-forty four.eight | 10.fifteen-sixty.44 | fifteen-75 | 1272-1546 |
ESR-two hundred | 810-1480 | 9.eight-58.8 | 27.65-59.2 | 8.05-eighty,12 | 15-90 | 1272-1546 |
ESR-250B | 1100-1480 | nine.eight-fifty eight.8 | 54.77-seventy seven.55 | 19.ninety seven-ninety.ninety seven | thirty-110 | 1490-2454 |
ESR-250 | 990-1480 | nine.8-58.eight | 61.four-ninety seven.52 | 20.one-117.3 | thirty-132 | 1490-2454 |
ESR-300 | 990-1480 | 9.eight-fifty eight.eight | 87.1-138.one | 26.four-167.eight | 37-185 | 3326-3446 |
ESR-350 | 730-1480 | nine.8-58.8 | seventy eight.forty one-177.31 | 55-250 | ||
ESR-50H | 1230-2120 | sixty three.7-98 | .forty five-two.02 | two.05-six.12 | three-seven.5 | a hundred and sixty–170 |
ESR-65H | 1240-2130 | sixty three.7-98 | .seventy eight-two.53 | 2.89-7.55 | 4-11 | 198-230 |
ESR-80H | 1140-1900 | 63.seven-98 | one.82-4.fifty five | four.09-ten.one | five.five-15 | 316-326 |
ESR-100H | 1060-1980 | 63.7-98 | 2.65-8.06 | six.36-seventeen.2 | seven.five-22 | 398-459 |
ESR-125H | 980-1850 | 63.seven-98 | 4.sixty four-11.23 | eight.92-24.2 | 11-30 | 544-630 |
ESR-150H | 810-1730 | 63.seven-98 | nine.fifty three-twenty five.76 | 17.16-sixty five | eighteen.five-seventy five | 752-1571 |
ESR-200H | 810-1480 | 63.7-ninety eight | twenty five.34-fifty six.92 | 42.34-a hundred and twenty | 55-132 | 1426-1934 |
ESR-250H | 990-1480 | 63.7-98 | 58-ninety three.7 | eighty three.two-205 | 90-220 | 2980-3468 |
ESR300H | 990-1480 | sixty three.seven-98 | 86.nine-134.1 | 114.7-270 | 132-280 | 3476-3998 |
ERF-245 | 650-980 | 9.8-ninety eight | 47.5-ninety seven.4 | sixteen-183 | eighteen.5-two hundred | 3630-3690 |
ERF-250 | 650-980 | 9.8-98 | 61.6-one hundred twenty.four | 19-227 | 22-250 | 4450-4500 |
ERF-290 | 650-980 | 9.eight-78.four | 92.3-128 | 22-213 | thirty-250 | 4890-4710 |
ERF-295 | 650-980 | 9.eight-78.4 | ninety seven.3-152.five | 23-227 | 30-250 | 4890-4880 |
ERF-297 | 650-980 | 9.8-seventy eight.four | 87.5-167.6 | 26-249 | 30-280 | 5330-5520 |
ERF-300 | 650-980 | 9.eight-78.four | one zero one.five-188.seven | 29-278 | 37-315 | 5330-5520 |
ERF-350 | 650-980 | nine.8-78.4 | 126-224.9 | 34-249 | 45-280 | 5210-6470 |
ERG-300 | 590-730 | nine.eight-ninety eight | 128.3-196 | 38-362 | 45-four hundred | 9440-15710 |
ERG-350 | 590-730 | nine.8-98 | 159.3-231.6 | forty three-420 | fifty five-450 | 9700-1571 |
ERG-four hundred | 590-730 | nine.8-eighty three.3 | 203.1-290.nine | 52-449 | 75-five hundred | 10090-11390 |
ERG-445 | 590-730 | 9.8-73.five | 229.7-327.eight | 58-477 | seventy five-560 | 10600-12230 |
ERG-450 | 590-730 | nine.eight-73.5 | 262.4-366.2 | 64-496 | 75-560 | 10600-12230 |
ERG-five hundred | 590-730 | nine.8-sixty three.7 | 327.4-452.four | seventy eight-529 | 90-560 | 12790-14620 |
ERF-240-V | 650-980 | -9.eight- -49 | 38.1-78 | thirteen-76 | 18.5-ninety | 3420-3285 |
ERF-245-V | 650-980 | -9.8- -49 | forty seven.five-ninety seven.four | sixteen-95 | 22-a hundred and ten | 3425-3360 |
ERF-250-V | 650-980 | -9.eight- -forty nine | sixty three-120 | 19-117 | 22-132 | 3910-3830 |
ERF-290-V | 650-980 | -nine.eight- -49 | seventy two.6-one hundred forty four | 22-136 | 30-one hundred sixty | 4415-4270 |
ERF-295-V | 650-980 | -9.eight- -forty nine | seventy six.6-152 | 23-145 | 30-a hundred and sixty | 4425-4485 |
ERF-297-V | 650-980 | -nine.8- -49 | eighty four.three-166.eight | 26-one hundred sixty | thirty-180 | 5000-4980 |
ERF-300-V | 650-980 | -nine.eight- -forty nine | 97-192 | 29-178 | 37-200 | 5000-4980 |
ERF-350-V | 650-980 | -9.8- -forty nine | 116-225 | 34-209 | forty five-250 | 5400-5700 |
ERG-300V | 590-730 | -9.8- -forty nine | 133-193 | 38-184 | forty five-220 | 7800-9100 |
ERG-350V | 590-730 | -9.eight- -49 | 163-231 | 43-216 | 55-250 | 9500-9470 |
ERG-400V | 590-730 | -9.8- -forty nine | 199-290 | fifty two-269 | seventy five-315 | 9900-10130 |
ERG-445V | 590-730 | -nine.8- -forty nine | 224.eight-326.nine | 58-303 | 75-355 | 9900-10130 |
ERG-450V | 590-730 | -nine.eight- -forty nine | 255-365 | sixty four-335 | 75-400 | 11230-11300 |
ERG-500V | 590-730 | -9.eight- -forty nine | 314-452 | 78-412 | 132-450 | 13630-13850 |
ERF-245W | 650-980 | -thirteen.three- -fifty three.3 | fifty three.5-one hundred and one | 21.5-102 | 30-one hundred ten | 3630-3360 |
ERF-250W | 650-980 | -thirteen.three- -53.three | sixty nine-127 | 26.5-127 | 30-160 | 3985-4115 |
ERF-290W | 650-980 | -13.three- -fifty three.three | 82.6-one hundred fifty | 30.5-149 | 37-185 | 4340-4580 |
ERF-295W | 650-980 | -thirteen.3- -53.three | 87-158 | 32-158 | 37-185 | 4440-4580 |
ERF-297W | 650-980 | -13.3- -fifty three.three | 95-174 | 36-174 | forty five-200 | 5230-5130 |
ERF-300W | 650-980 | -13.3- -53.3 | 109-195 | forty-193 | fifty five-220 | 5230-5130 |
ERF-350W | 650-980 | -thirteen.three- -fifty three.3 | 129-230 | 50-230 | seventy five-250 | 5840-5670 |
ERG-300W | 590-730 | -thirteen.three- -fifty three.three | 142-197 | 52-201 | 75-220 | 9100-9000 |
ERF-350W | 590-730 | -thirteen.3- -fifty three.3 | 168-234.four | fifty nine-235.5 | seventy five-280 | 9500-9600 |
ERG-400W | 590-730 | -thirteen.three- -53.3 | 220-276.6 | 71-292 | 90-315 | 9900-10130 |
ERG-445W | 590-730 | -13.three- -53.3 | 244-294.six | eighty two-331 | 90-400 | 11230-11300 |
ERG450W | 590-730 | -thirteen.three- -fifty three.three | 275-368.5 | 91-366 | one hundred ten-four hundred | 11230-11300 |
ETRF-250 (240,250) |
650-980 | 98-196 | 64.eight-112 | 135-355 | 160-four hundred | 8700-8600 |
ETRF-295 (245,295) |
650-980 | ninety eight-196 | 80.8-139 | 167-439 | 185-500 | 9200-9100 |
ETRF-three hundred (245,295) |
650-980 | ninety eight-176.four | 102-174 | 206-497 | 250-560 | 10320-10500 |
ETRF-350 (245,295) |
650-980 | 98-137.2 | 124-207 | 241-473 | 280-560 | 10700-11110 |
ETRG-four hundred (300,400) |
590-740 | ninety eight-176.four | 205-273 | 380-773 | 450-900 | 21350-24200 |
ETRG-450 (350,450) |
590-740 | ninety eight-176.four | 263-428 | 476-955 | 560-a thousand | 24200-27600 |
ETRF-250W (240,250) |
650-980 | -53.three–80 | 72-121 | seventy five.six-121 | ninety-160 | 6100-6470 |
ETRF-295W (245/295) |
650-980 | -53.3–80 | 93.8-154 | 99.5-186 | a hundred and ten-220 | 7000-6400 |
ETRF-300W (2505/300) |
650-980 | -fifty three.three–eighty | 116-189 | one hundred fifteen-220 | 132-250 | 7750-7760 |
EL81WD | 580-980 | 9.8-fifty eight.8 | fifty four.two-a hundred thirty | eighteen-151 | 45-185 | 3595 |
EL82WDB | 580-980 | nine.eight-fifty eight.eight | 72.eight-161 | 22-191 | 45-220 | 3860 |
EL83WDA | 580-980 | nine.8-fifty eight.nine | one zero one-213 | 28.5-202 | 45-220 | 4300 |
EL84WDA | 580-980 | nine.8-fifty eight.8 | 129-267 | 35.four-252 | 45-280 | 4720 |
EL93WDA | 580-730 | nine.eight-forty nine | 230-329 | fifty six.four-311 | 75-355 | 7765 |
EL94WDA | 580-730 | 9.8-49 | 263-373 | 64-353 | 75-400 | 8130 |
EL95WDA | 490-580 | 9.8-58.eight | 308-434 | eighty one.four-414 | 90-450 | 11500 |
EL96WDA | 580 | fifty eight.8 | 381 | 497 | 560 | 11500 |
E397WN | 1000-1650 | 40 | five-nine | |||
E408WN | 870-1650 | forty | ten-22 | |||
E517WN | 980-1580 | forty | 20-30 | |||
E520WN | 930-1550 | 40 | 24-forty five | |||
E607WN | 750-1250 | forty | forty five-76 | |||
E610WN | 750-1250 | forty | seventy five-130 |
Spare parts and framework of our roots blower:
Bundle of our Roots Blower
Pack into iron circumstance, two layer,blower entire body and motor in reduce layer, inlet/out silencer and many others in higher layer
Roots blower pack approach exact same as iron circumstance, just alter to Fumigation Cost-free Plywood Circumstance
Our manufacturing facility is a professional company of Roots blowers which has in excess of twenty years’ experience in machinery
manufacturing. It is located in Xihu (West Lake) Dis. CZPT CZPT Park, 50 kilometers to the east of ZheJiang provincial
money— HangZhou. Our business also has hassle-free visitors transportation, as it is 15 kilometers absent from
Diaozhen City station of HangZhou-HangZhou expressway, and thirty kilometers absent from CZPT HangZhou station of
ZheJiang -ZheJiang expressway.The top item of our business is ESR -variety Roots Blower. The roots
vacuum pump is a new kind of substantial-performance roots blower, which is developed independently dependent on the
domestic and international advanced technologies. Several patented technologies have been adopted on Roots
Blower, and therefore we have produced substantial effects in power conservation and noise reduction, and so on.. So much, our
business has invested far more than 30,000,000 RMB to introduce these kinds of sophisticated expert equipment as
horizontal machining middle, vertical machining heart, two-way CNC floor planer, CNC lathe, CNC milling
equipment, CNC planer, airplane grinder, cylindrical grinding equipment, and three coordinates screening equipment.
In addition to, we have taken a variety of measures to CZPTize the procedure circulation this kind of as doing work and cooperating
with a lot of scientific research units, faculties and universities at house and abroad. We also continually attempt to
absorb and boost the domestic advanced creation technologies, so as to promote the upgrading and
optimization of the product and make the solution good quality achieve the superior amount at house and overseas.
ESR -type Roots Blower includes numerous collection such as Three-leaves Sort, Two-leaves Kind and Centrifugal
Type,which can be further divided to hundreds of varieties. The merchandise are broadly used in sewage therapy,
pneumatic conveying,vacuum packaging, aquaculture, foods processing, electrical power, petrochemical, cement,
mining and other industries. Our products have this sort of rewards as reduced sounds, energy conserving, steady quality,
and extended services daily life, and many others.. With the product sales outlets throughout the domestic money metropolitan areas, our goods sell well all
above the place, and have been exported to North CZPTica,Russia, Malaysia, Indonesia, Vietnam, South Africa
and some other nations. Obtaining received the ISO9001 CZPT CZPT Technique Certification, we have
established and improved the top quality assurance of the items developing, production, and set up.
From the procedure of design and style, investigation and development to the completed items, we have obtained the complete
approach managed independently, therefore supplying the entire foundation and dependability assure for the products stability
and durability. Obtaining a perfect income community and after-income service, we give our buyers with increased-
top quality and a lot more efficient services.All employees of our business sincerely welcome the wide masses of friends to
guidebook, and negotiate organization with us.
Our Roots Blower Workshop
Doosn Horzitonal CZPT Middle
The Software of the Roots Blower
Routine maintenance and inspection
(1) Check all fasteners and locating pins conditions regardless of whether they are loosening.
(2) Usually examine regardless of whether the leakage phenomenon of the human body.
(three) Shell out consideration to lubrication, sum of grease and noises when running,
determine regardless of whether it functions below the required situations.
(4) CZPT & grease: The lubricant is for medium load industrial gear oil
(grade 220, kinematic viscosity of 198 ~ 242mm2 / s 40ºC, flash point ≥ 200ºC)
The grease is butter (artificial lithium grease penetration 220-250, fall position ≥
190ºC). Exchange the lubricant and grease following first 200 hours running, and substitute
once again following a moth operating. Later, exchange the lubricant and grease in accordance to the
setting and lubricant (grease) good quality propose a suitable substitution for 3
months.
(five) Usually examine the inlet air filter, thoroughly clean or change the filter in time.
(6) Blower overload often not instantly shown, so pay out focus to
the ingestion and exhaust strain, bearing temperature and the recent improve traits
of motor to decide whether or not the blower functions typically
(seven) Prior to disassembling the blower, the assembling relation and proportions
have to be recorded or measured, make marks on elements to make certain the CZPT
specifications right after assembling.
(eight) When newly equipment or overhaul, the oil tank need to be cleaned ahead of use
and suggest substitute all grease following eight hours managing.
Widespread failure explanation and troubleshooting
No | Failure | Attainable motives | Elimination techniques |
one | Friction amongst the impeller |
(one) Impurities on the impeller, resulting in the hole is way too modest (two) Gear use, resulting in a huge backlash (3) The gear is not nicely fixed, can not keep the impeller synchronization (4) Bearing put on resulting in clearance increasing. |
(one) Eliminate dirt and examine regardless of whether there is injury components (two) Alter the gear gap, replace the gears if the equipment backlash is increased than the average 30% to 50% (3)Re-assemble the gears, keep the taper speak to spot is to 75% (four)Change the bearing |
2 | Collision among impeller and wall, the impeller prime and casing |
(1) Installation hole is not proper (2) functioning strain is as well large, exceeding the specified benefit (three) Running temperature is as well substantial (four) Casing or base deformation, positioning enthusiast failure (five) Bearing axial area is not great |
(1) Change the hole (2) Identify leads to of overloading, reduced the strain to the specified value (3) Check the set up precision and reduce the pipe pressure (four) Check out and fix bearings, and to make sure the clearance (five)Relocation |
three | Temperature also large |
(one) Oil in tank is also considerably, too thick or too dirty (two) CZPT or silencer is blocked (3)The stress is increased than the specified price (4)Extreme put on of the impeller, huge hole (five)Bad air flow, indoor temperature is substantial, resulting in inlet air’s substantial temperature (six) The rotating pace is as well minimal,outcome in the belt slipping. |
(one)Lessen the oil level or count on oil (two)Remove of blocking objects (3)Minimizing the stress through the blower (four)Restore its clearance (five)Open up vents to lessen room temperature (6) Enhance speed to avoid the belt slipping. |
four | Insufficient circulation |
(one) The inlet filter is blocked (2) Impeller wear and the hole boosts as well a lot (three) Belt slipping (4) Huge imports pressure loss (5) CZPT air flow leakage |
(1) Clear the filter dust and obstruction (2) Mend the hole (3)Tighten the belt and improve the amount of belts (four)Alter the inlet force to the specified worth (five) Check out and mend the pipeline |
five | Oil leaking or oil leaking into the enclosure |
(one)Large tank place lead to leakage from the discharge port (2) Seal put on, ensuing in shaft oil spills (3) The strain is increased than the specified price |
(one)Decrease the oil level (2)Change the seals (3)Clear the air vents, 2mm diameter faucet is mounted in the center chamber, open up the faucet under the wall |
six | Abnormal vibration and sound |
(1)Bearing clearance exceeds the specified benefit or bearing use (2) The gear backlash is also massive, not in a tight mounted (three) The foreign objects and dust triggered by the impeller and the impeller, the impeller and the housing collision (four) the impeller shaft deformation caused the collision triggered by overload, (5) Friction in between the impeller and the inlet housing brought on by overheating (6) Unbalance of the impeller induced by fouling or overseas physique (seven) CZPT bolts or other fasteners are loosened |
(1)Replace bearings or bearing seat (two)Reassemble equipment and guarantee backlash (three)Cleaning blower, check out the circumstance is ruined (four)Check the back again force, check out the wheel and change gap (five)Verify the filter and back pressure, enhance the hole in between the impeller inlet and the casing (six)Cleanse the impeller and the casing, to guarantee that the impeller clearance operate (seven) Tighten the anchor bolts and leveling the foundation. |
7 | Motor overload |
(1)Compared with the needed stress, the stress difference is large that the back again stress or the inlet pressure is higher (two) In comparison with the equipment demands, blower circulation is also massive, so its stress raises (three)Inlet filter is blocked, or outlet pipe is obstructed or blocked (four) Collusion or friction (stuck) rotating components (five) The oil amount is too large (six) Narrow V-belt is overheat, vibration is also large, or pulley is too little |
(1) Reduce the stress to the specified benefit (2) Exhaust the extra fuel into the ambiance or minimize the blower pace (3) Eliminate the obstructions (4)Quickly shut down, check out the explanation (five) Change the oil to the right amount (six) Check out the belt pressure, and replaced it with large diameter pulley. |
Our Support
1. Pre market service 2. After promote service
a. advocate the suited model c. online technological assistance,
b. manufacturing unit tour d. total life spare parts and techinical assistance
Gurantee
12 months gurantee for our roots blowers