We make all kinds of roots blower, centrifugal blower, Our Major items are as under:
Kind | Diameter | Rate of movement | Force |
ESR-MJ(Intense Variety) | Φ50~Φ300mm | .five~140m³/min | 9.8KPa~ninety eight.8Kpa |
ESR(Common Variety) | Φ50~Φ350mm | .5~140m³/min | 9.8KPa~78.4Kpa |
ESR-H(Large-pressure Sort) | Φ50~Φ350mm | .7~160m³/min | 58.8KPa~ninety eight.8Kpa |
ESR-V(Vacuum Pump) | Φ50~Φ350mm | .5~160m³/min | nine.8KPa~53.3Kpa |
EL Sequence | Φ200~Φ600mm | twenty.3~750m³/min | nine.8KPa~fifty eight.8Kpa |
Multistage Centrifugal Blower or C-Sequence |
Φ250~Φ500mm | fifty~500m³/min | nine.8KPa~98Kpa |
ERR-ERG Kind | Φ250~Φ500mm | a hundred and twenty~420m³/min | nine.8KPa~ninety eight.8Kpa |
The operating basic principle of the 3-blade roots blower: two a few-lobed rotors are arranged in the cavity, and the
suction port and the discharge port are opened on both sides of the cavity. By way of the action of a pair of
synchronous gears, the two rotors rotate in opposite directions and Relying on the mutual engagement of the two
rotors, the suction port and the discharge port are isolated, and the fuel in the chamber is pushed to attain the
objective of blowing.
Characteristic of our roots blower:
1. Huge adjustment of the air quantity
two. Lower Noise
3. Substantial effectiveness
4. Low energy cosumption
five. Long time lifestyle
6. Dependable running, straightforward servicing,little footprint
The parameters of our roots blower:
Type | Ratary Pace (r/min) |
Force Rise (Kpa) |
Potential (m/min) |
Shaft Electricity (Kw) |
Motor | Unit Maximn Weight(Kg) |
Electrical power (Kw) |
||||||
ESR-fifty | 1100-2120 | nine.eight-58.eight | .sixty five-two.58 | .three-3.fifty four | .75-4 | 128-158 |
ESR-sixty five | 1100-2130 | nine.8-fifty eight.8 | .ninety four-three.sixty six | .38-4.forty six | .seventy five-5.5 | a hundred and fifty five-185 |
ESR-eighty | 1140-1900 | 9.eight-fifty eight.eight | 2.34-5.forty three | 1.04-seven.forty two | 2.2-eleven | 155-277 |
ESR-one hundred | 1060-1980 | nine.8-fifty eight.8 | 4.fifty seven-9.05 | one.35-twelve.15 | 3-fifteen | 309-377 |
ESR-125 | 980-1850 | nine.eight-58.eight | five.35-twelve.four | one.65-5.19 | five.five-18.five | 408-451 |
ESR-125C | 970-1830 | nine.eight-fifty eight.8 | seven.five-17.57 | 3.2-18.five | four-22 | 408-451 |
ESR-one hundred fifty | 810-1730 | nine.8-58.8 | ten.37-27.15 | 3.eighty four-40.82 | seven.five-45 | 688-848 |
ESR-a hundred seventy five | 970-1520 | 9.eight-fifty eight.eight | 19.65-36.65 | seven.two-45.95 | 11-55 | 980-1080 |
ESR-200B | 740-1450 | 9.8-58.eight | 19.sixty five-44.eight | 10.fifteen-60.forty four | 15-seventy five | 1272-1546 |
ESR-200 | 810-1480 | nine.eight-58.8 | 27.65-fifty nine.2 | eight.05-eighty,twelve | fifteen-ninety | 1272-1546 |
ESR-250B | 1100-1480 | 9.8-58.8 | 54.seventy seven-77.55 | 19.ninety seven-90.97 | 30-one hundred ten | 1490-2454 |
ESR-250 | 990-1480 | nine.8-58.8 | sixty one.four-ninety seven.fifty two | 20.1-117.three | thirty-132 | 1490-2454 |
ESR-300 | 990-1480 | nine.8-58.eight | 87.one-138.1 | 26.four-167.eight | 37-185 | 3326-3446 |
ESR-350 | 730-1480 | 9.8-fifty eight.8 | seventy eight.41-177.31 | fifty five-250 | ||
ESR-50H | 1230-2120 | 63.seven-98 | .45-2.02 | two.05-6.12 | three-seven.5 | a hundred and sixty–170 |
ESR-65H | 1240-2130 | sixty three.seven-ninety eight | .seventy eight-2.fifty three | two.89-7.55 | four-11 | 198-230 |
ESR-80H | 1140-1900 | 63.seven-ninety eight | one.eighty two-four.fifty five | 4.09-ten.one | 5.five-fifteen | 316-326 |
ESR-100H | 1060-1980 | 63.7-98 | two.sixty five-8.06 | six.36-17.2 | seven.5-22 | 398-459 |
ESR-125H | 980-1850 | sixty three.seven-ninety eight | four.sixty four-11.23 | 8.ninety two-24.2 | eleven-30 | 544-630 |
ESR-150H | 810-1730 | 63.seven-98 | 9.fifty three-twenty five.seventy six | seventeen.sixteen-65 | 18.5-75 | 752-1571 |
ESR-200H | 810-1480 | 63.7-ninety eight | twenty five.34-fifty six.ninety two | 42.34-120 | fifty five-132 | 1426-1934 |
ESR-250H | 990-1480 | sixty three.seven-ninety eight | fifty eight-93.seven | 83.two-205 | 90-220 | 2980-3468 |
ESR300H | 990-1480 | sixty three.7-ninety eight | 86.9-134.one | 114.seven-270 | 132-280 | 3476-3998 |
ERF-245 | 650-980 | 9.eight-ninety eight | 47.five-97.four | sixteen-183 | eighteen.five-200 | 3630-3690 |
ERF-250 | 650-980 | nine.eight-98 | 61.six-120.four | 19-227 | 22-250 | 4450-4500 |
ERF-290 | 650-980 | 9.eight-seventy eight.four | ninety two.three-128 | 22-213 | thirty-250 | 4890-4710 |
ERF-295 | 650-980 | 9.8-78.four | 97.3-152.5 | 23-227 | thirty-250 | 4890-4880 |
ERF-297 | 650-980 | nine.eight-seventy eight.four | 87.five-167.6 | 26-249 | 30-280 | 5330-5520 |
ERF-three hundred | 650-980 | nine.eight-78.four | a hundred and one.five-188.7 | 29-278 | 37-315 | 5330-5520 |
ERF-350 | 650-980 | nine.8-78.four | 126-224.nine | 34-249 | forty five-280 | 5210-6470 |
ERG-300 | 590-730 | nine.eight-98 | 128.three-196 | 38-362 | 45-400 | 9440-15710 |
ERG-350 | 590-730 | 9.8-98 | 159.3-231.6 | forty three-420 | fifty five-450 | 9700-1571 |
ERG-four hundred | 590-730 | 9.eight-83.three | 203.1-290.9 | fifty two-449 | 75-500 | 10090-11390 |
ERG-445 | 590-730 | 9.8-seventy three.5 | 229.seven-327.8 | fifty eight-477 | 75-560 | 10600-12230 |
ERG-450 | 590-730 | nine.8-seventy three.five | 262.four-366.two | 64-496 | 75-560 | 10600-12230 |
ERG-500 | 590-730 | 9.8-sixty three.7 | 327.four-452.four | seventy eight-529 | ninety-560 | 12790-14620 |
ERF-240-V | 650-980 | -nine.eight- -49 | 38.one-seventy eight | 13-76 | 18.five-90 | 3420-3285 |
ERF-245-V | 650-980 | -nine.eight- -49 | 47.five-97.4 | sixteen-ninety five | 22-one hundred ten | 3425-3360 |
ERF-250-V | 650-980 | -nine.eight- -49 | sixty three-a hundred and twenty | 19-117 | 22-132 | 3910-3830 |
ERF-290-V | 650-980 | -nine.eight- -49 | seventy two.6-a hundred and forty four | 22-136 | 30-160 | 4415-4270 |
ERF-295-V | 650-980 | -9.eight- -49 | seventy six.6-152 | 23-one hundred forty five | thirty-one hundred sixty | 4425-4485 |
ERF-297-V | 650-980 | -nine.eight- -forty nine | 84.three-166.8 | 26-a hundred and sixty | thirty-180 | 5000-4980 |
ERF-three hundred-V | 650-980 | -nine.8- -49 | ninety seven-192 | 29-178 | 37-two hundred | 5000-4980 |
ERF-350-V | 650-980 | -9.8- -forty nine | 116-225 | 34-209 | forty five-250 | 5400-5700 |
ERG-300V | 590-730 | -nine.8- -49 | 133-193 | 38-184 | 45-220 | 7800-9100 |
ERG-350V | 590-730 | -nine.eight- -49 | 163-231 | forty three-216 | 55-250 | 9500-9470 |
ERG-400V | 590-730 | -nine.8- -forty nine | 199-290 | fifty two-269 | seventy five-315 | 9900-10130 |
ERG-445V | 590-730 | -nine.eight- -forty nine | 224.eight-326.nine | fifty eight-303 | 75-355 | 9900-10130 |
ERG-450V | 590-730 | -nine.eight- -49 | 255-365 | sixty four-335 | seventy five-four hundred | 11230-11300 |
ERG-500V | 590-730 | -nine.eight- -forty nine | 314-452 | 78-412 | 132-450 | 13630-13850 |
ERF-245W | 650-980 | -thirteen.3- -fifty three.3 | fifty three.5-one hundred and one | 21.five-102 | thirty-one hundred ten | 3630-3360 |
ERF-250W | 650-980 | -13.three- -53.three | 69-127 | 26.5-127 | 30-one hundred sixty | 3985-4115 |
ERF-290W | 650-980 | -13.three- -fifty three.3 | eighty two.6-150 | 30.five-149 | 37-185 | 4340-4580 |
ERF-295W | 650-980 | -thirteen.3- -fifty three.three | 87-158 | 32-158 | 37-185 | 4440-4580 |
ERF-297W | 650-980 | -thirteen.3- -53.3 | 95-174 | 36-174 | forty five-200 | 5230-5130 |
ERF-300W | 650-980 | -13.3- -fifty three.3 | 109-195 | 40-193 | 55-220 | 5230-5130 |
ERF-350W | 650-980 | -thirteen.3- -53.three | 129-230 | 50-230 | 75-250 | 5840-5670 |
ERG-300W | 590-730 | -thirteen.three- -53.3 | 142-197 | 52-201 | 75-220 | 9100-9000 |
ERF-350W | 590-730 | -thirteen.3- -53.3 | 168-234.4 | fifty nine-235.five | 75-280 | 9500-9600 |
ERG-400W | 590-730 | -13.3- -53.three | 220-276.six | seventy one-292 | ninety-315 | 9900-10130 |
ERG-445W | 590-730 | -thirteen.3- -53.three | 244-294.6 | eighty two-331 | ninety-four hundred | 11230-11300 |
ERG450W | 590-730 | -thirteen.three- -53.3 | 275-368.5 | ninety one-366 | one hundred ten-four hundred | 11230-11300 |
ETRF-250 (240,250) |
650-980 | 98-196 | 64.8-112 | a hundred thirty five-355 | 160-four hundred | 8700-8600 |
ETRF-295 (245,295) |
650-980 | 98-196 | eighty.eight-139 | 167-439 | 185-five hundred | 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.two | 124-207 | 241-473 | 280-560 | 10700-11110 |
ETRG-four hundred (three hundred,four hundred) |
590-740 | 98-176.4 | 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.6-121 | 90-one hundred sixty | 6100-6470 |
ETRF-295W (245/295) |
650-980 | -fifty three.three–80 | ninety three.eight-154 | ninety nine.5-186 | 110-220 | 7000-6400 |
ETRF-300W (2505/three hundred) |
650-980 | -53.three–80 | 116-189 | one hundred fifteen-220 | 132-250 | 7750-7760 |
EL81WD | 580-980 | nine.8-58.eight | fifty four.two-one hundred thirty | eighteen-151 | forty five-185 | 3595 |
EL82WDB | 580-980 | nine.eight-58.8 | 72.eight-161 | 22-191 | 45-220 | 3860 |
EL83WDA | 580-980 | 9.8-58.9 | one hundred and one-213 | 28.five-202 | 45-220 | 4300 |
EL84WDA | 580-980 | 9.8-58.eight | 129-267 | 35.four-252 | 45-280 | 4720 |
EL93WDA | 580-730 | 9.eight-49 | 230-329 | fifty six.4-311 | 75-355 | 7765 |
EL94WDA | 580-730 | 9.eight-forty nine | 263-373 | sixty four-353 | seventy five-four hundred | 8130 |
EL95WDA | 490-580 | nine.8-fifty eight.eight | 308-434 | eighty one.four-414 | ninety-450 | 11500 |
EL96WDA | 580 | 58.8 | 381 | 497 | 560 | 11500 |
E397WN | a thousand-1650 | 40 | 5-9 | |||
E408WN | 870-1650 | 40 | 10-22 | |||
E517WN | 980-1580 | 40 | twenty-30 | |||
E520WN | 930-1550 | 40 | 24-45 | |||
E607WN | 750-1250 | forty | 45-76 | |||
E610WN | 750-1250 | forty | 75-a hundred thirty |
Spare areas and framework of our roots blower:
Package deal of our Roots Blower
Pack into iron scenario, two layer,blower body and motor in lower layer, inlet/out silencer and so on in higher layer
Roots blower pack method same as iron scenario, just change to Fumigation Free of charge Plywood Situation
Our factory is a expert manufacturer of Roots blowers which has more than 20 years’ experience in equipment
manufacturing. It is positioned in Xihu (West Lake) Dis. CZPT CZPT Park, 50 kilometers to the east of ZheJiang provincial
cash— HangZhou. Our firm also has practical traffic transportation, as it is 15 kilometers away from
Diaozhen City station of HangZhou-HangZhou expressway, and 30 kilometers away from CZPT HangZhou station of
ZheJiang -ZheJiang expressway.The leading item of our firm is ESR -sort Roots Blower. The roots
vacuum pump is a new type of substantial-efficiency roots blower, which is developed independently based on the
domestic and international innovative technologies. Several patented technologies have been adopted on Roots
Blower, and thus we have produced substantial results in energy conservation and noise reduction, and so on.. So considerably, our
business has invested much more than thirty,000,000 RMB to introduce this sort of superior skilled equipment as
horizontal machining center, vertical machining center, two-way CNC surface planer, CNC lathe, CNC milling
device, CNC planer, plane grinder, cylindrical grinding device, and 3 coordinates testing machine.
Apart from, we have taken various actions to CZPTize the process movement these kinds of as operating and cooperating
with a lot of scientific research units, schools and universities at property and overseas. We also continually attempt to
absorb and improve the domestic superior production technologies, so as to promote the upgrading and
optimization of the item and make the solution quality reach the superior stage at home and abroad.
ESR -type Roots Blower contains many sequence these kinds of as Three-leaves Type, Two-leaves Type and Centrifugal
Variety,which can be more divided to hundreds of kinds. The goods are extensively used in sewage treatment method,
pneumatic conveying,vacuum packaging, aquaculture, foodstuff processing, electrical energy, petrochemical, cement,
mining and other industries. Our items have such rewards as low sound, energy conserving, stable high quality,
and prolonged service existence, and many others.. With the sales outlets throughout the domestic capital cities, our items sell properly all
more than the region, and have been exported to North CZPTica,Russia, Malaysia, Indonesia, Vietnam, South Africa
and some other countries. Getting acquired the ISO9001 CZPT CZPT Method Certification, we have
recognized and enhanced the quality assurance of the products creating, production, and set up.
From the approach of layout, research and growth to the finished goods, we have obtained the whole
process controlled independently, hence providing the full foundation and reliability assure for the merchandise security
and longevity. Obtaining a perfect product sales community and after-sales support, we give our buyers with increased-
top quality and much more productive support.All staff of our organization sincerely welcome the wide masses of friends to
manual, and negotiate organization with us.
Our Roots Blower Workshop
Doosn Horzitonal CZPT Heart
The Software of the Roots Blower
Routine maintenance and inspection
(one) Check all fasteners and locating pins problems regardless of whether they are loosening.
(2) Usually check no matter whether the leakage phenomenon of the human body.
(three) Spend interest to lubrication, sum of grease and noises when running,
establish whether or not it functions below the required circumstances.
(4) CZPT & grease: The lubricant is for medium load industrial gear oil
(quality 220, kinematic viscosity of 198 ~ 242mm2 / s 40ºC, flash position ≥ 200ºC)
The grease is butter (synthetic lithium grease penetration 220-250, drop level ≥
190ºC). Change the lubricant and grease after first 200 hrs managing, and replace
once again right after a moth working. Later, exchange the lubricant and grease in accordance to the
environment and lubricant (grease) quality propose a suited alternative for 3
months.
(5) Constantly check out the inlet air filter, thoroughly clean or substitute the filter in time.
(6) Blower overload often not quickly shown, so pay interest to
the consumption and exhaust strain, bearing temperature and the current increase traits
of motor to figure out regardless of whether the blower performs normally
(7) Ahead of disassembling the blower, the assembling relation and proportions
must be recorded or measured, make marks on factors to make sure the CZPT
needs following assembling.
(eight) When newly machine or overhaul, the oil tank must be cleaned before use
and suggest change all grease after eight hrs managing.
Frequent failure reason and troubleshooting
No | Failure | Achievable factors | Elimination approaches |
one | Friction among the impeller |
(one) Impurities on the impeller, ensuing in the gap is also modest (two) Equipment wear, ensuing in a huge backlash (3) The gear is not effectively fixed, can not sustain the impeller synchronization (four) Bearing wear resulting in clearance escalating. |
(1) Remove dust and verify whether there is damage components (two) Modify the gear gap, change the gears if the gear backlash is increased than the typical thirty% to fifty% (3)Re-assemble the gears, hold the taper speak to area is to seventy five% (four)Replace the bearing |
two | Collision amongst impeller and wall, the impeller prime and casing |
(one) Installation hole is not correct (two) running pressure is as well substantial, exceeding the specified value (three) Operating temperature is too large (four) Casing or foundation deformation, positioning enthusiast failure (five) Bearing axial location is not good |
(one) Change the hole (two) Recognize causes of overloading, diminished the strain to the specified value (3) Verify the installation accuracy and decrease the pipe tension (four) Examine and restore bearings, and to ensure the clearance (5)Relocation |
three | Temperature too large |
(one) Oil in tank is as well considerably, way too thick or too soiled (two) CZPT or silencer is blocked (three)The force is higher than the specified value (four)Excessive dress in of the impeller, huge hole (five)Poor ventilation, indoor temperature is large, ensuing in inlet air’s large temperature (6) The rotating pace is also minimal,end result in the belt slipping. |
(1)Reduce the oil stage or rely on oil (two)Remove of blocking objects (three)Lowering the force through the blower (4)Repair its clearance (five)Open vents to reduce space temperature (six) Boost velocity to prevent the belt slipping. |
4 | Inadequate stream |
(one) The inlet filter is blocked (2) Impeller wear and the hole boosts also much (3) Belt slipping (4) Massive imports stress loss (5) CZPT air flow leakage |
(1) Clean the filter dust and obstruction (two) Restore the gap (3)Tighten the belt and increase the quantity of belts (four)Modify the inlet pressure to the specified worth (5) Verify and restore the pipeline |
5 | Oil leaking or oil leaking into the enclosure |
(one)Large tank place trigger leakage from the discharge port (2) Seal dress in, resulting in shaft oil spills (3) The force is larger than the specified price |
(1)Decrease the oil amount (2)Change the seals (three)Distinct the air vents, 2mm diameter faucet is mounted in the middle chamber, open the faucet underneath the wall |
six | Irregular vibration and noise |
(1)Bearing clearance exceeds the specified benefit or bearing use (two) The gear backlash is too big, not in a restricted set (3) The international objects and dust triggered by the impeller and the impeller, the impeller and the housing collision (4) the impeller shaft deformation brought on the collision induced by overload, (five) Friction between the impeller and the inlet housing caused by overheating (six) Unbalance of the impeller triggered by fouling or international entire body (seven) CZPT bolts or other fasteners are loosened |
(1)Change bearings or bearing seat (two)Reassemble gear and make sure backlash (three)Cleaning blower, check the case is damaged (four)Verify the back strain, check out the wheel and modify gap (five)Check out the filter and back again strain, increase the gap in between the impeller inlet and the casing (6)Clean the impeller and the casing, to ensure that the impeller clearance operate (seven) Tighten the anchor bolts and leveling the foundation. |
7 | Motor overload |
(1)Compared with the required stress, the strain difference is huge that the back force or the inlet stress is large (two) When compared with the products specifications, blower circulation is also huge, so its force increases (three)Inlet filter is blocked, or outlet pipe is obstructed or blocked (four) Collusion or friction (trapped) rotating components (5) The oil stage is as well large (6) Narrow V-belt is overheat, vibration is too massive, or pulley is way too tiny |
(one) Reduce the stress to the specified price (two) Exhaust the extra gas into the ambiance or lessen the blower pace (three) Get rid of the obstructions (4)Immediately shut down, examine the explanation (five) Modify the oil to the proper amount (six) Verify the belt rigidity, and replaced it with big diameter pulley. |
Our Service
one. Pre offer service two. After sell service
a. advocate the ideal model c. on the internet technological help,
b. manufacturing facility tour d. complete existence spare components and techinical assistance
Gurantee
twelve months gurantee for our roots blowers