Our main merchandise are Needle Roller bearings, Cylindrical Roller Bearings, Rod stop Bearings, Spherical plain bearings, Monitor roller Bearings for Guideway, Roller Bearings, Blend Bearings for forklifts, H2o Pump Bearings, SNR Automobile Bearings and all kinds of Spherical Bearings. Each and every method, every single section, each perform in EPG is demanded to be carried out 1 action subsequent one more, cautiously and cautiously, from content assortment, reformation to production accessories, from factors heat treatment method to automated assembly, from good quality manage to product inspection and screening and from order working to soon after product sales services. EPG has set up a full established of top quality administration technique which is supplied with superior inspection and check products. We make all types of roots blower, centrifugal blower, Our Main products are as under:
Variety | Diameter | Price of flow | Pressure |
ESR-MJ(Intensive Type) | Phi50~ Phi300mm | .five~140m sup3/min | 9.8KPa~ninety eight.8Kpa |
ESR(Regular Variety) | Phi50~ Phi350mm | .five~140m sup3/min | nine.8KPa~78.4Kpa |
ESR-H(EPT-stress Type) | Phi50~ Phi350mm | .seven~160m sup3/min | fifty eight.8KPa~ninety eight.8Kpa |
ESR-V(Vacuum EPT) | Phi50~ Phi350mm | .five~160m sup3/min | 9.8KPa~53.3Kpa |
EL Sequence | Phi200~ Phi600mm | twenty.three~750m sup3/min | nine.8KPa~fifty eight.8Kpa |
Multistage Centrifugal Blower or C-Series |
Phi250~ Phi500mm | 50~500m sup3/min | nine.8KPa~98Kpa |
ERR-ERG Kind | Phi250~ Phi500mm | one hundred twenty~420m sup3/min | nine.8KPa~98.8Kpa |
The operating theory of the a few-blade roots blower: two 3-lobed rotors are arranged in the cavity, and the
suction port and the discharge port are opened on equally sides of the cavity. Through the motion of a pair of
synchronous EPTs, the two rotors rotate in opposite instructions and Relying on the mutual engagement of the two
rotors, the suction port and the discharge port are isolated, and the gas in the chamber is pushed to attain the
goal of blowing.
Attribute of our roots blower:
1. Large adjustment of the air volume
2. Reduced Noise
3. EPT performance
4. Low vitality cosumption
five. EPTT time lifestyle
six. Reliable working, straightforward upkeep,modest footprint
The parameters of our roots blower:
Variety | Ratary Pace (r/min) |
Stress Increase (Kpa) |
Ability (m/min) |
Shaft EPTT (Kw) |
EPT | Device MaXiHu (West EPT) Dis.mn Excess weight(Kg) |
EPTT (Kw) |
||||||
ESR-fifty | 1100-2120 | 9.8-fifty eight.eight | .65-2.fifty eight | .3-3.54 | .seventy five-four | 128-158 |
ESR-65 | 1100-2130 | nine.8-fifty eight.eight | .94-three.66 | .38-4.46 | .seventy five-5.five | 155-185 |
ESR-80 | 1140-1900 | 9.eight-58.8 | 2.34-5.forty three | one.04-seven.forty two | 2.two-11 | 155-277 |
ESR-one hundred | 1060-1980 | 9.8-58.8 | 4.57-9.05 | one.35-12.fifteen | three-15 | 309-377 |
ESR-a hundred twenty five | 980-1850 | nine.eight-fifty eight.eight | five.35-12.four | 1.sixty five-5.19 | 5.5-eighteen.five | 408-451 |
ESR-125C | 970-1830 | nine.eight-fifty eight.eight | 7.five-17.fifty seven | 3.2-eighteen.five | 4-22 | 408-451 |
ESR-one hundred fifty | 810-1730 | nine.8-58.eight | 10.37-27.15 | 3.eighty four-40.eighty two | seven.five-forty five | 688-848 |
ESR-175 | 970-1520 | 9.eight-fifty eight.eight | 19.sixty five-36.sixty five | seven.two-forty five.95 | 11-fifty five | 980-1080 |
ESR-200B | 740-1450 | 9.8-58.8 | 19.sixty five-forty four.8 | 10.fifteen-sixty.44 | fifteen-75 | 1272-1546 |
ESR-200 | 810-1480 | 9.eight-fifty eight.eight | 27.65-fifty nine.two | 8.05-80,twelve | 15-ninety | 1272-1546 |
ESR-250B | 1100-1480 | nine.8-fifty eight.8 | 54.seventy seven-seventy seven.fifty five | 19.ninety seven-ninety.97 | 30-a hundred and ten | 1490-2454 |
ESR-250 | 990-1480 | 9.8-58.8 | 61.4-ninety seven.fifty two | 20.1-117.3 | thirty-132 | 1490-2454 |
ESR-three hundred | 990-1480 | nine.eight-58.8 | 87.1-138.one | 26.4-167.eight | 37-185 | 3326-3446 |
ESR-350 | 730-1480 | 9.eight-58.8 | seventy eight.41-177.31 | 55-250 | ||
ESR-50H | 1230-2120 | 63.seven-ninety eight | .forty five-two.02 | 2.05-six.12 | 3-seven.5 | one hundred sixty–one hundred seventy |
ESR-65H | 1240-2130 | sixty three.seven-98 | .78-two.53 | two.89-7.55 | four-eleven | 198-230 |
ESR-80H | 1140-1900 | 63.seven-98 | one.eighty two-4.fifty five | four.09-10.one | five.5-fifteen | 316-326 |
ESR-100H | 1060-1980 | 63.seven-ninety eight | 2.65-eight.06 | 6.36-seventeen.two | seven.five-22 | 398-459 |
ESR-125H | 980-1850 | 63.seven-98 | four.sixty four-eleven.23 | 8.ninety two-24.2 | 11-thirty | 544-630 |
ESR-150H | 810-1730 | sixty three.7-ninety eight | 9.53-twenty five.seventy six | seventeen.sixteen-sixty five | eighteen.five-seventy five | 752-1571 |
ESR-200H | 810-1480 | 63.seven-ninety eight | 25.34-fifty six.ninety two | 42.34-one hundred twenty | 55-132 | 1426-1934 |
ESR-250H | 990-1480 | sixty three.7-ninety eight | 58-93.7 | 83.2-205 | ninety-220 | 2980-3468 |
ESR300H | 990-1480 | sixty three.7-ninety eight | 86.nine-134.one | 114.7-270 | 132-280 | 3476-3998 |
ERF-245 | 650-980 | nine.8-98 | 47.five-ninety seven.four | sixteen-183 | eighteen.five-200 | 3630-3690 |
ERF-250 | 650-980 | 9.eight-98 | sixty one.six-a hundred and twenty.4 | 19-227 | 22-250 | 4450-4500 |
ERF-290 | 650-980 | nine.8-seventy eight.four | ninety two.three-128 | 22-213 | 30-250 | 4890-4710 |
ERF-295 | 650-980 | nine.eight-seventy eight.four | ninety seven.three-152.5 | 23-227 | thirty-250 | 4890-4880 |
ERF-297 | 650-980 | 9.8-seventy eight.4 | 87.five-167.six | 26-249 | thirty-280 | 5330-5520 |
ERF-three hundred | 650-980 | nine.eight-78.4 | 101.five-188.7 | 29-278 | 37-315 | 5330-5520 |
ERF-350 | 650-980 | 9.8-seventy eight.4 | 126-224.nine | 34-249 | 45-280 | 5210-6470 |
ERG-300 | 590-730 | nine.8-ninety eight | 128.three-196 | 38-362 | 45-four hundred | 9440-15710 |
ERG-350 | 590-730 | nine.8-98 | 159.3-231.six | 43-420 | fifty five-450 | 9700-1571 |
ERG-four hundred | 590-730 | nine.8-83.three | 203.1-290.9 | 52-449 | seventy five-five hundred | 10090-11390 |
ERG-445 | 590-730 | 9.eight-73.five | 229.7-327.eight | fifty eight-477 | seventy five-560 | 10600-12230 |
ERG-450 | 590-730 | 9.eight-seventy three.5 | 262.four-366.2 | 64-496 | 75-560 | 10600-12230 |
ERG-500 | 590-730 | nine.eight-sixty three.seven | 327.four-452.4 | seventy eight-529 | ninety-560 | 12790-14620 |
ERF-240-V | 650-980 | -nine.8- -forty nine | 38.one-seventy eight | thirteen-seventy six | eighteen.5-90 | 3420-3285 |
ERF-245-V | 650-980 | -nine.eight- -49 | forty seven.5-97.4 | 16-ninety five | 22-one hundred ten | 3425-3360 |
ERF-250-V | 650-980 | -nine.eight- -49 | sixty three-120 | 19-117 | 22-132 | 3910-3830 |
ERF-290-V | 650-980 | -nine.8- -forty nine | seventy two.6-one hundred forty four | 22-136 | thirty-a hundred and sixty | 4415-4270 |
ERF-295-V | 650-980 | -nine.8- -forty nine | seventy six.six-152 | 23-145 | thirty-one hundred sixty | 4425-4485 |
ERF-297-V | 650-980 | -nine.eight- -49 | eighty four.3-166.eight | 26-one hundred sixty | thirty-one hundred eighty | 5000-4980 |
ERF-three hundred-V | 650-980 | -9.eight- -49 | 97-192 | 29-178 | 37-200 | 5000-4980 |
ERF-350-V | 650-980 | -nine.8- -forty nine | 116-225 | 34-209 | forty five-250 | 5400-5700 |
ERG-300V | 590-730 | -9.eight- -49 | 133-193 | 38-184 | 45-220 | 7800-9100 |
ERG-350V | 590-730 | -nine.eight- -49 | 163-231 | 43-216 | 55-250 | 9500-9470 |
ERG-400V | 590-730 | -9.eight- -forty nine | 199-290 | fifty two-269 | 75-315 | 9900-10130 |
ERG-445V | 590-730 | -nine.eight- -forty nine | 224.eight-326.9 | 58-303 | seventy five-355 | 9900-10130 |
ERG-450V | 590-730 | -nine.8- -forty nine | 255-365 | 64-335 | 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.three- -fifty three.3 | fifty three.five-one hundred and one | 21.5-102 | 30-110 | 3630-3360 |
ERF-250W | 650-980 | -13.three- -fifty three.3 | sixty nine-127 | 26.five-127 | thirty-160 | 3985-4115 |
ERF-290W | 650-980 | -13.3- -fifty three.three | 82.six-one hundred fifty | thirty.5-149 | 37-185 | 4340-4580 |
ERF-295W | 650-980 | -thirteen.three- -fifty three.three | 87-158 | 32-158 | 37-185 | 4440-4580 |
ERF-297W | 650-980 | -13.three- -53.3 | 95-174 | 36-174 | 45-200 | 5230-5130 |
ERF-300W | 650-980 | -13.3- -fifty three.three | 109-195 | forty-193 | fifty five-220 | 5230-5130 |
ERF-350W | 650-980 | -13.3- -fifty three.3 | 129-230 | 50-230 | seventy five-250 | 5840-5670 |
ERG-300W | 590-730 | -thirteen.3- -53.3 | 142-197 | fifty two-201 | 75-220 | 9100-9000 |
ERF-350W | 590-730 | -thirteen.3- -53.three | 168-234.four | 59-235.five | seventy five-280 | 9500-9600 |
ERG-400W | 590-730 | -thirteen.3- -53.3 | 220-276.six | 71-292 | ninety-315 | 9900-10130 |
ERG-445W | 590-730 | -13.three- -53.3 | 244-294.6 | 82-331 | 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 | one hundred thirty five-355 | 160-400 | 8700-8600 |
ETRF-295 (245,295) |
650-980 | 98-196 | 80.eight-139 | 167-439 | 185-500 | 9200-9100 |
ETRF-300 (245,295) |
650-980 | 98-176.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-400 (300,400) |
590-740 | ninety eight-176.four | 205-273 | 380-773 | 450-900 | 21350-24200 |
ETRG-450 (350,450) |
590-740 | 98-176.4 | 263-428 | 476-955 | 560-a thousand | 24200-27600 |
ETRF-250W (240,250) |
650-980 | -53.3–eighty | seventy two-121 | 75.six-121 | 90-one hundred sixty | 6100-6470 |
ETRF-295W (245/295) |
650-980 | -53.3–eighty | ninety three.eight-154 | 99.five-186 | one hundred ten-220 | 7000-6400 |
ETRF-300W (2505/300) |
650-980 | -53.3–eighty | 116-189 | 115-220 | 132-250 | 7750-7760 |
EL81WD | 580-980 | 9.eight-fifty eight.8 | fifty four.two-130 | 18-151 | 45-185 | 3595 |
EL82WDB | 580-980 | 9.eight-58.eight | 72.eight-161 | 22-191 | forty five-220 | 3860 |
EL83WDA | 580-980 | 9.eight-fifty eight.nine | a hundred and one-213 | 28.5-202 | 45-220 | 4300 |
EL84WDA | 580-980 | nine.eight-fifty eight.eight | 129-267 | 35.four-252 | 45-280 | 4720 |
EL93WDA | 580-730 | 9.8-49 | 230-329 | fifty six.four-311 | 75-355 | 7765 |
EL94WDA | 580-730 | 9.eight-forty nine | 263-373 | sixty four-353 | 75-400 | 8130 |
EL95WDA | 490-580 | 9.eight-58.eight | 308-434 | eighty one.4-414 | 90-450 | 11500 |
EL96WDA | 580 | 58.8 | 381 | 497 | 560 | 11500 |
E397WN | 1000-1650 | forty | five-9 | |||
E408WN | 870-1650 | forty | ten-22 | |||
E517WN | 980-1580 | forty | twenty-thirty | |||
E520WN | 930-1550 | 40 | 24-45 | |||
E607WN | 750-1250 | forty | 45-seventy six | |||
E610WN | 750-1250 | 40 | 75-a hundred thirty |
EPT elements and framework of our roots blower:
Package deal of our Roots Blower
Pack into iron situation, two layer,blower body and motor in reduce layer, inlet/out silencer etc in upper layer
Roots blower pack strategy same as iron case, just modify to Fumigation Free of charge Plywood Circumstance
Our manufacturing facility is a professional maker of Roots blowers which has more than twenty years’ encounter in EPTTry
producing. It is found in XiHu (West EPT) Dis.hu (West EPT) Dis. EPT EPTT Park, 50 kilometers to the EPT of ZheJCEP provincial
funds— EPTEPTTn. Our company also has handy site visitors transportation, as it is fifteen kilometers absent from
Diaozhen Town station of EPTTngdao-HangEPT expressway, and thirty kilometers absent from EPT EPTEPTTn station of
BeiEPTTg-ZheJCEP expressway.The major product of our business is ESR -variety Roots Blower. The roots
EPT pump is a new type of higher-efficiency roots blower, which is deveXiHu (West EPT) Dis.Hu (West EPT) Dis.ed independently based mostly on the
domestic and international EPTd technologies. Many patEPTTd technologies have been adopted on Roots
Blower, and thus we have produced considerable effects in power conservation and sound reduction, and so on.. So much, our
business has invested much more than thirty,000,000 RMB to introduce such EPTd professional equipment as
horizontal machining cEPTTr, vertical machining cEPTTr, two-way CNC floor planer, CNC lathe, CNC milling
EPTT, CNC planer, airplane grinder, cylindrical grinding EPTT, and three coordinates tests EPTT.
Aside from, we have taken different actions to stXiHu (West EPT) Dis.Hu (West EPT) Dis.rdize the process circulation this sort of as doing work and cooperating
with a lot of EPT research models, schools and universities at house and overseas. We also continually consider to
absorb and enhance the domestic EPTd manufacturing systems, so as to market the upgrading and
optimization of the solution and make the item top quality attain the EPTd amount at house and abroad.
ESR -sort Roots Blower incEPTTs numerous collection this kind of as 3-leaves Variety, Two-leaves Sort and Centrifugal
Sort,which can be more divided to hundreds of varieties. The items are widely utilised in sewage treatment,
pneumatic conveying,EPT EPTT, aquaculture, foodstuff processing, electrical EPTT, petrochemical, cement,
mining and other EPTT. Our items have this kind of positive aspects as low sounds, vitality preserving, secure high quality,
and EPTT services existence, etc.. With the revenue stores throughout the domestic money metropolitan areas, our merchandise promote properly all
above the place, and have been exported to North The united states,Russia, Malaysia, Indonesia, Vietnam, South Africa
and some other nations. Getting received the ISO9001 JCEP EPTT Method Certification, we have
estabEPTTd and improved the quality assurance of the merchandise creating, producing, and set up.
From the process of design, analysis and deveXiHu (West EPT) Dis.Hu (West EPT) Dis.ment to the concluded goods, we have acquired the EPTT
process controlled independently, therefore supplying the complete foundation and trustworthiness ensure for the merchandise balance
and durability. Obtaining a ideal income network and soon after-income service, we give our customers with higher-
high quality and far more effective provider.All workers of our business sincerely welcome the broad masses of friends to
XiHu (West EPT) Dis.Hu (West EPT) Dis., and negotiate enterprise with us.
Our Roots Blower Workshop
Doosn Horzitonal EPTT CEPTTr
The Application of the Roots Blower
Upkeep and inspection
(1) Check all fasteners and finding pins problems whether or not they are loosening.
(two) AlwaEPTTcheck whether or not the leakage phenomenon of the human body.
(3) Pay consideration to lubrication, volume of grease and noises when working,
deterEPT whether or not it functions unEPTTthe JCEP situations.
(4) Lubricant amp grease: The lubricant is for medium load EPTT EPT oil
(grade 220, kinematic viscosity of 198 ~ 242mm2 / s 40 ordmC, flash position ge two hundred ordmC)
The grease is butter (artificial lithium grease penetration 220-250, fall point ge
one hundred ninety ordmC). Substitute the lubricant and grease right after first two hundred hrs running, and change
once again right after a moth running. Later on, exchange the lubricant and grease in accordance to the
environment and lubricant (grease) quality propose a suitable alternative for three
months.
(5) AlwaEPTTcheck the inlet air filter, thoroughly clean or substitute the filter in time.
(six) Blower overload at times not right away shown, so pay out attention to
the consumption and exhaust strain, bearing temperature and the existing increase developments
of motor to deterEPT whether or not the blower works generally
(seven) Before disassembling the blower, the assembling relation and dimensions
must be recorded or measured, make marks on factors to make certain the original
requirements soon after assembling.
(8) When recently EPTT or overhaul, the oil tank should be cleaned ahead of use
and propose exchange all grease following 8 several hours operating.
Typical failure explanation and troubleshooting
No | Failure | Feasible causes | Elimination techniques |
one | Friction in between the impeller |
(one) EPTTurities on the impeller, ensuing in the gap is too small (two) EPT dress in, resulting in a massive backlash (3) The EPT is not well mounted, can not maintain the impeller synchronization (4) EPTT put on resulting in clearance escalating. |
(1) Get rid of filth and verify regardless of whether there is injury elements (2) Modify the EPT gap, exchange the EPTs if the EPT backlash is increased than the common 30% to 50% (3)Re-assemble the EPTs, keep the EPTTr speak to region is to seventy five% (four)Change the bearing |
2 | Collision amongst impeller and wall, the impeller top and casing |
(one) Set up hole is not proper (two) functioning strain is way too large, exceeding the specified benefit (3) Functioning temperature is as well higher (4) Casing or base deformation, positioning fan failure (five) EPTT aXiHu (West EPT) Dis.al place is not very good |
(1) Adjust the gap (two) Determine brings about of overloading, lowered the strain to the specified worth (3) Verify the set up accuracy and decrease the pipe tension (four) Verify and restore bearings, and to make certain the clearance (five)Relocation |
three | Temperature as well substantial |
(1) Oil in tank is as well considerably, also thick or also soiled (2) EPT or silencer is blocked (3)The strain is larger than the specified benefit (four)Extreme wear of the impeller, massive hole (5)Poor ventilation, indoor temperature is substantial, resulting in inlet air’s high temperature (6) The rotating pace is also low,end result in the belt slipping. |
(one)Minimize the oil degree or count on oil (2)Get rid of of blocking objects (three)Decreasing the strain through the blower (4)Mend its clearance (five)Open vents to decrease space temperature (six) Enhance pace to avert the belt slipping. |
four | Inadequate flow |
(one) The inlet filter is blocked (two) EPTTeller put on and the gap increases too considerably (3) Belt slipping (four) Huge EPTTs force reduction (5) EPTline air flow leakage |
(1) Clean the filter dust and obstruction (two) Repair the gap (3)Tighten the belt and improve the number of belts (4)Adjust the inlet stress to the specified value (5) Check and restore the pipeline |
five | Oil leaking or oil leaking into the enclosure |
(1)EPT tank placement trigger leakage from the discharge port (two) Seal wear, ensuing in shaft oil spills (three) The strain is greater than the specified price |
(one)Reduce the oil amount (2)Substitute the seals (3)Clear the air vents, 2mm diameter faucet is mounted in the center chamber, open the faucet unEPTTthe wall |
6 | Abnormal vibration and sound |
(one)EPTT clearance exceeds the specified value or bearing use (2) The EPT backlash is as well huge, not in a tigEPTT mounted (3) The international objects and dust triggered by the impeller and the impeller, the impeller and the housing collision (4) the impeller shaft deformation induced the collision brought on by overload, (5) Friction amongst the impeller and the inlet housing triggered by overheating (6) Unbalance of the impeller caused by fJCEP or international physique (7) Anchor bolts or other fasteners are loosened |
(one)Substitute bearings or bearing seat (two)Reassemble EPT and make sure backlash (three)Cleaning blower, check out the scenario is broken (4)Verify the back pressure, examine the wheel and modify hole (five)Examine the filter and back again force, improve the gap in between the impeller inlet and the casing (six)Clear the impeller and the casing, to make certain that the impeller clearance operate (seven) Tighten the anchor bolts and leveling the base. |
seven | EPT overload |
(1)In contrast with the JCEP pressure, the pressure difference is massive that the again stress or the inlet strain is high (2) When compared with the equipment demands, blower stream is too massive, so its force will increase (3)Inlet filter is blocked, or outlet pipe is obstructed or blocked (4) Collusion or friction (stuck) rotating areas (five) The oil degree is also higher (six) NEPT V-belt is overheat, vibration is as well massive, or pulley is way too tiny |
(one) Decrease the stress to the specified worth (two) Exhaust the extra fuel into the environment or decrease the blower pace (3) Get rid of the obstructions (4)Right away shut down, check the cause (five) Modify the oil to the proper stage (six) Check the belt tension, and changed it with huge diameter pulley. |
Our Services
1. Pre offer services two. After offer services
a. advise the ideal model c. online technological help,
b. manufacturing unit tour d. EPTT daily life spare areas and techinical support
Gurantee
twelve months gurantee for our roots blowers