
a specialized supplier of a entire variety of chains, sprockets, gears, equipment racks, V-belts, couplings and reducers. With EPG brand registered in much more than 70 nations like The us , Europe , Japan and so on, it has associates amid globe prime enterprises, these kinds of as JOHNDEERE, NEW HOLLAND, CLAAS, HONDA, KUBOTA, YANMAR, and many others. we have acquired the believe in of purchasers globally. We make all types of roots blower, centrifugal blower, Our Principal items are as under:
| Sort | Diameter | Charge of flow | Pressure |
| ESR-MJ(Intensive Variety) | Phi50~ Phi300mm | .5~140m sup3/min | nine.8KPa~ninety eight.8Kpa |
| ESR(Common Kind) | Phi50~ Phi350mm | .5~140m sup3/min | 9.8KPa~78.4Kpa |
| ESR-H(EPT-stress Kind) | Phi50~ Phi350mm | .seven~160m sup3/min | 58.8KPa~ninety eight.8Kpa |
| ESR-V(Vacuum EPT) | Phi50~ Phi350mm | .5~160m sup3/min | nine.8KPa~fifty three.3Kpa |
| EL Series | Phi200~ Phi600mm | 20.three~750m sup3/min | 9.8KPa~fifty eight.8Kpa |
| Multistage Centrifugal Blower or C-Collection |
Phi250~ Phi500mm | 50~500m sup3/min | nine.8KPa~98Kpa |
| ERR-ERG Type | Phi250~ Phi500mm | 120~420m sup3/min | nine.8KPa~98.8Kpa |
The operating basic principle of the a few-blade roots blower: two three-lobed rotors are organized in the cavity, and the
suction port and the discharge port are opened on the two sides of the cavity. By means of the action of a pair of
synchronous EPTs, the two rotors rotate in reverse 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
goal of blowing.
Feature of our roots blower:
one. Massive adjustment of the air quantity
two. Low Sounds
three. EPT performance
four. Minimal strength cosumption
5. EPTT time lifestyle
6. Reputable managing, effortless servicing,little footprint
The parameters of our roots blower:
| Kind | Ratary Pace (r/min) |
Stress Increase (Kpa) |
Capability (m/min) |
Shaft EPTT (Kw) |
EPT | Unit MaXiHu (West EPT) Dis.mn Weight(Kg) |
| EPTT (Kw) |
||||||
| ESR-50 | 1100-2120 | 9.eight-58.8 | .sixty five-two.fifty eight | .three-3.fifty four | .75-four | 128-158 |
| ESR-sixty five | 1100-2130 | nine.eight-58.8 | .94-three.66 | .38-4.46 | .75-5.five | 155-185 |
| ESR-80 | 1140-1900 | nine.eight-58.8 | 2.34-5.forty three | 1.04-7.forty two | two.two-eleven | a hundred and fifty five-277 |
| ESR-one hundred | 1060-1980 | nine.8-fifty eight.eight | four.fifty seven-9.05 | one.35-twelve.fifteen | three-fifteen | 309-377 |
| ESR-one hundred twenty five | 980-1850 | 9.eight-58.eight | 5.35-twelve.four | 1.sixty five-5.19 | 5.five-eighteen.five | 408-451 |
| ESR-125C | 970-1830 | 9.eight-fifty eight.8 | seven.five-17.57 | 3.2-18.5 | 4-22 | 408-451 |
| ESR-a hundred and fifty | 810-1730 | 9.8-58.eight | 10.37-27.fifteen | three.eighty four-40.eighty two | 7.five-45 | 688-848 |
| ESR-175 | 970-1520 | 9.8-fifty eight.eight | 19.65-36.sixty five | 7.2-forty five.95 | eleven-55 | 980-1080 |
| ESR-200B | 740-1450 | nine.8-58.eight | 19.65-44.8 | ten.15-60.forty four | 15-seventy five | 1272-1546 |
| ESR-two hundred | 810-1480 | nine.eight-58.8 | 27.sixty five-59.2 | eight.05-80,12 | fifteen-ninety | 1272-1546 |
| ESR-250B | 1100-1480 | nine.eight-58.eight | 54.seventy seven-77.fifty five | 19.ninety seven-90.ninety seven | 30-one hundred ten | 1490-2454 |
| ESR-250 | 990-1480 | nine.eight-58.8 | 61.four-97.52 | twenty.1-117.3 | thirty-132 | 1490-2454 |
| ESR-three hundred | 990-1480 | 9.8-fifty eight.eight | 87.1-138.one | 26.4-167.eight | 37-185 | 3326-3446 |
| ESR-350 | 730-1480 | nine.8-fifty eight.eight | 78.forty one-177.31 | fifty five-250 | ||
| ESR-50H | 1230-2120 | 63.7-ninety eight | .forty five-two.02 | 2.05-6.12 | three-seven.5 | 160–170 |
| ESR-65H | 1240-2130 | 63.seven-ninety eight | .78-2.53 | two.89-7.fifty five | four-11 | 198-230 |
| ESR-80H | 1140-1900 | 63.7-98 | 1.eighty two-four.fifty five | 4.09-ten.1 | five.5-fifteen | 316-326 |
| ESR-100H | 1060-1980 | sixty three.7-98 | 2.65-8.06 | 6.36-17.two | 7.five-22 | 398-459 |
| ESR-125H | 980-1850 | sixty three.seven-ninety eight | 4.64-eleven.23 | eight.ninety two-24.two | 11-30 | 544-630 |
| ESR-150H | 810-1730 | sixty three.seven-ninety eight | 9.53-25.seventy six | seventeen.16-sixty five | 18.five-75 | 752-1571 |
| ESR-200H | 810-1480 | sixty three.seven-ninety eight | twenty five.34-fifty six.92 | 42.34-a hundred and twenty | 55-132 | 1426-1934 |
| ESR-250H | 990-1480 | sixty three.7-ninety eight | fifty eight-93.7 | eighty three.two-205 | 90-220 | 2980-3468 |
| ESR300H | 990-1480 | 63.seven-98 | 86.nine-134.one | 114.7-270 | 132-280 | 3476-3998 |
| ERF-245 | 650-980 | nine.eight-ninety eight | forty seven.five-97.4 | sixteen-183 | 18.5-two hundred | 3630-3690 |
| ERF-250 | 650-980 | 9.eight-98 | 61.six-one hundred twenty.four | 19-227 | 22-250 | 4450-4500 |
| ERF-290 | 650-980 | nine.8-78.four | 92.3-128 | 22-213 | thirty-250 | 4890-4710 |
| ERF-295 | 650-980 | 9.eight-seventy eight.4 | 97.3-152.5 | 23-227 | 30-250 | 4890-4880 |
| ERF-297 | 650-980 | 9.eight-78.4 | 87.five-167.six | 26-249 | thirty-280 | 5330-5520 |
| ERF-300 | 650-980 | 9.8-78.4 | one zero one.five-188.seven | 29-278 | 37-315 | 5330-5520 |
| ERF-350 | 650-980 | 9.8-78.4 | 126-224.9 | 34-249 | 45-280 | 5210-6470 |
| ERG-three hundred | 590-730 | nine.eight-ninety eight | 128.three-196 | 38-362 | forty five-four hundred | 9440-15710 |
| ERG-350 | 590-730 | 9.eight-98 | 159.three-231.six | 43-420 | fifty five-450 | 9700-1571 |
| ERG-400 | 590-730 | 9.8-eighty three.three | 203.1-290.9 | 52-449 | 75-500 | 10090-11390 |
| ERG-445 | 590-730 | nine.8-seventy three.five | 229.seven-327.eight | fifty eight-477 | seventy five-560 | 10600-12230 |
| ERG-450 | 590-730 | nine.eight-73.5 | 262.four-366.two | sixty four-496 | seventy five-560 | 10600-12230 |
| ERG-500 | 590-730 | 9.eight-sixty three.7 | 327.4-452.4 | 78-529 | ninety-560 | 12790-14620 |
| ERF-240-V | 650-980 | -nine.eight- -49 | 38.one-seventy eight | thirteen-76 | 18.5-90 | 3420-3285 |
| ERF-245-V | 650-980 | -9.8- -forty nine | forty seven.five-ninety seven.4 | sixteen-ninety five | 22-a hundred and ten | 3425-3360 |
| ERF-250-V | 650-980 | -9.8- -forty nine | sixty three-120 | 19-117 | 22-132 | 3910-3830 |
| ERF-290-V | 650-980 | -nine.eight- -forty nine | 72.six-one hundred forty four | 22-136 | thirty-160 | 4415-4270 |
| ERF-295-V | 650-980 | -9.eight- -forty nine | seventy six.six-152 | 23-a hundred forty five | 30-160 | 4425-4485 |
| ERF-297-V | 650-980 | -9.8- -49 | 84.three-166.eight | 26-one hundred sixty | 30-180 | 5000-4980 |
| ERF-three hundred-V | 650-980 | -nine.8- -forty nine | ninety seven-192 | 29-178 | 37-two hundred | 5000-4980 |
| ERF-350-V | 650-980 | -9.8- -forty nine | 116-225 | 34-209 | 45-250 | 5400-5700 |
| ERG-300V | 590-730 | -9.eight- -49 | 133-193 | 38-184 | forty five-220 | 7800-9100 |
| ERG-350V | 590-730 | -nine.eight- -49 | 163-231 | 43-216 | 55-250 | 9500-9470 |
| ERG-400V | 590-730 | -nine.8- -forty nine | 199-290 | 52-269 | 75-315 | 9900-10130 |
| ERG-445V | 590-730 | -9.eight- -forty nine | 224.eight-326.9 | 58-303 | seventy five-355 | 9900-10130 |
| ERG-450V | 590-730 | -9.eight- -49 | 255-365 | sixty four-335 | 75-four hundred | 11230-11300 |
| ERG-500V | 590-730 | -nine.eight- -49 | 314-452 | seventy eight-412 | 132-450 | 13630-13850 |
| ERF-245W | 650-980 | -13.three- -fifty three.three | fifty three.five-one hundred and one | 21.5-102 | 30-a hundred and ten | 3630-3360 |
| ERF-250W | 650-980 | -thirteen.three- -53.three | 69-127 | 26.5-127 | 30-one hundred sixty | 3985-4115 |
| ERF-290W | 650-980 | -thirteen.3- -53.three | eighty two.six-a hundred and fifty | 30.5-149 | 37-185 | 4340-4580 |
| ERF-295W | 650-980 | -13.3- -53.three | 87-158 | 32-158 | 37-185 | 4440-4580 |
| ERF-297W | 650-980 | -13.3- -fifty three.3 | ninety five-174 | 36-174 | 45-200 | 5230-5130 |
| ERF-300W | 650-980 | -13.three- -fifty three.3 | 109-195 | forty-193 | 55-220 | 5230-5130 |
| ERF-350W | 650-980 | -13.3- -fifty three.three | 129-230 | 50-230 | 75-250 | 5840-5670 |
| ERG-300W | 590-730 | -thirteen.three- -53.3 | 142-197 | fifty two-201 | seventy five-220 | 9100-9000 |
| ERF-350W | 590-730 | -thirteen.three- -53.3 | 168-234.four | fifty nine-235.5 | 75-280 | 9500-9600 |
| ERG-400W | 590-730 | -13.3- -fifty three.three | 220-276.six | seventy one-292 | 90-315 | 9900-10130 |
| ERG-445W | 590-730 | -thirteen.3- -53.3 | 244-294.six | eighty two-331 | 90-four hundred | 11230-11300 |
| ERG450W | 590-730 | -13.3- -fifty three.3 | 275-368.5 | ninety one-366 | one hundred ten-400 | 11230-11300 |
| ETRF-250 (240,250) |
650-980 | ninety eight-196 | 64.8-112 | one hundred thirty five-355 | 160-four hundred | 8700-8600 |
| ETRF-295 (245,295) |
650-980 | 98-196 | eighty.8-139 | 167-439 | 185-500 | 9200-9100 |
| ETRF-300 (245,295) |
650-980 | ninety eight-176.four | 102-174 | 206-497 | 250-560 | 10320-10500 |
| ETRF-350 (245,295) |
650-980 | ninety eight-137.two | 124-207 | 241-473 | 280-560 | 10700-11110 |
| ETRG-four hundred (300,four hundred) |
590-740 | 98-176.4 | 205-273 | 380-773 | 450-900 | 21350-24200 |
| ETRG-450 (350,450) |
590-740 | 98-176.four | 263-428 | 476-955 | 560-one thousand | 24200-27600 |
| ETRF-250W (240,250) |
650-980 | -53.three–eighty | seventy two-121 | 75.six-121 | 90-160 | 6100-6470 |
| ETRF-295W (245/295) |
650-980 | -53.3–eighty | 93.8-154 | ninety nine.5-186 | a hundred and ten-220 | 7000-6400 |
| ETRF-300W (2505/300) |
650-980 | -fifty three.three–eighty | 116-189 | 115-220 | 132-250 | 7750-7760 |
| EL81WD | 580-980 | nine.eight-58.8 | fifty four.two-a hundred thirty | eighteen-151 | 45-185 | 3595 |
| EL82WDB | 580-980 | nine.eight-fifty eight.8 | seventy two.8-161 | 22-191 | forty five-220 | 3860 |
| EL83WDA | 580-980 | 9.8-fifty eight.9 | a hundred and one-213 | 28.5-202 | 45-220 | 4300 |
| EL84WDA | 580-980 | 9.8-fifty eight.eight | 129-267 | 35.four-252 | 45-280 | 4720 |
| EL93WDA | 580-730 | nine.8-49 | 230-329 | 56.4-311 | 75-355 | 7765 |
| EL94WDA | 580-730 | 9.8-forty nine | 263-373 | 64-353 | seventy five-400 | 8130 |
| EL95WDA | 490-580 | nine.eight-fifty eight.8 | 308-434 | 81.four-414 | ninety-450 | 11500 |
| EL96WDA | 580 | 58.8 | 381 | 497 | 560 | 11500 |
| E397WN | 1000-1650 | 40 | five-9 | |||
| E408WN | 870-1650 | 40 | 10-22 | |||
| E517WN | 980-1580 | forty | 20-thirty | |||
| E520WN | 930-1550 | forty | 24-45 | |||
| E607WN | 750-1250 | 40 | 45-seventy six | |||
| E610WN | 750-1250 | 40 | seventy five-one hundred thirty |
EPT components and framework of our roots compressor:
Bundle of our Roots EPTT
Pack into iron case, two layer,blower human body and motor in lower layer, inlet/out silencer etc in higher layer
Roots blower pack approach identical as iron case, just change to Fumigation Free Plywood Case
Our manufacturing facility is a skilled manufacturer of Roots blowers which has more than twenty years’ knowledge in EPTTry
producing. It is situated in XiHu (West EPT) Dis.hu (West EPT) Dis. EPT EPTT Park, 50 kilometers to the EPT of ZheJCEP provincial
funds— EPTEPTTn. Our firm also has practical visitors transportation, as it is 15 kilometers away from
Diaozhen City station of EPTTngdao-HangEPT expressway, and thirty kilometers absent from EPT EPTEPTTn station of
BeiEPTTg-ZheJCEP expressway.The foremost solution of our company is ESR -type Roots Blower. The roots
EPT pump is a new sort of higher-performance roots blower, which is deveXiHu (West EPT) Dis.Hu (West EPT) Dis.ed independently based mostly on the
domestic and international EPTd systems. Many patEPTTd systems have been adopted on Roots
Blower, and thus we have made important effects in vitality conservation and sounds reduction, and so forth.. So much, our
company has invested far more than thirty,000,000 RMB to introduce these kinds of EPTd expert gear as
horizontal machining cEPTTr, vertical machining cEPTTr, two-way CNC surface area planer, CNC lathe, CNC milling
EPTT, CNC planer, aircraft grinder, cylindrical grinding EPTT, and a few coordinates tests EPTT.
In addition to, we have taken numerous actions to stXiHu (West EPT) Dis.Hu (West EPT) Dis.rdize the procedure stream this sort of as working and cooperating
with several EPT research models, schools and universities at property and overseas. We also continuously try out to
take in and increase the domestic EPTd manufacturing systems, so as to market the upgrading and
optimization of the merchandise and make the merchandise quality reach the EPTd stage at residence and overseas.
ESR -type Roots Blower incEPTTs several series such as A few-leaves Type, Two-leaves Sort and Centrifugal
Variety,which can be additional divided to hundreds of varieties. The items are extensively used in sewage treatment,
pneumatic conveying,EPT EPTT, aquaculture, foods processing, electrical EPTT, petrochemical, cement,
mining and other EPTT. Our products have this kind of rewards as low sounds, strength conserving, steady top quality,
and EPTT services existence, and many others.. With the product sales retailers through the domestic cash towns, our goods promote well all
more than the country, and have been exported to North The usa,Russia, Malaysia, Indonesia, Vietnam, South Africa
and some other international locations. Having received the ISO9001 JCEP EPTT Technique Certification, we have
estabEPTTd and improved the good quality assurance of the products planning, manufacturing, and installation.
From the approach of style, analysis and deveXiHu (West EPT) Dis.Hu (West EPT) Dis.ment to the finished goods, we have received the EPTT
approach controlled independently, hence offering the full basis and reliability promise for the products stability
and sturdiness. Getting a ideal sales network and following-sales support, we supply our customers with increased-
good quality and far more effective service.All workers of our firm sincerely welcome the broad masses of pals 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) Verify all fasteners and finding pins problems whether they are loosening.
(two) AlwaEPTTcheck whether or not the leakage phenomenon of the physique.
(three) Shell out consideration to lubrication, volume of grease and noises when working,
deterEPT no matter whether it functions unEPTTthe JCEP circumstances.
(4) Lubricant amp grease: The lubricant is for medium load EPTT EPT oil
(quality 220, kinematic viscosity of 198 ~ 242mm2 / s 40 ordmC, flash point ge two hundred ordmC)
The grease is butter (synthetic lithium grease penetration 220-250, fall stage ge
190 ordmC). Replace the lubricant and grease after initial 200 several hours managing, and exchange
once more following a moth working. Later, replace the lubricant and grease according to the
environment and lubricant (grease) quality propose a appropriate alternative for a few
months.
(5) AlwaEPTTcheck the inlet air filter, thoroughly clean or exchange the filter in time.
(six) Blower overload occasionally not immediately exhibited, so spend focus to
the consumption and exhaust strain, bearing temperature and the current increase tendencies
of motor to deterEPT whether or not the blower operates typically
(seven) Prior to disassembling the blower, the assembling relation and dimensions
must be recorded or measured, make marks on factors to guarantee the original
needs after assembling.
(8) When freshly EPTT or overhaul, the oil tank must be cleaned ahead of use
and propose exchange all grease following eight hours managing.
Common failure explanation and troubleshooting
| No | Failure | Attainable causes | Elimination techniques |
| 1 | Friction between the impeller |
(1) EPTTurities on the impeller, resulting in the gap is too small (two) EPT put on, resulting in a large backlash (3) The EPT is not well fixed, can not preserve the impeller synchronization (four) EPTT wear ensuing in clearance growing. |
(one) Take away grime and examine no matter whether there is injury elements (two) Adjust the EPT hole, replace the EPTs if the EPT backlash is greater than the typical 30% to 50% (three)Re-assemble the EPTs, preserve the EPTTr contact spot is to seventy five% (four)Exchange the bearing |
| 2 | Collision between impeller and wall, the impeller best and casing |
(one) Installation gap is not correct (two) operating force is too high, exceeding the specified benefit (three) Functioning temperature is as well higher (four) Casing or foundation deformation, positioning supporter failure (five) EPTT aXiHu (West EPT) Dis.al location is not very good |
(one) Modify the hole (2) Identify brings about of overloading, lowered the pressure to the specified benefit (3) Check the set up accuracy and decrease the pipe tension (4) Verify and fix bearings, and to ensure the clearance (5)Relocation |
| three | Temperature as well large |
(one) Oil in tank is way too a lot, also thick or too soiled (2) EPT or silencer is blocked (three)The pressure is greater than the specified worth (four)Excessive wear of the impeller, big gap (5)Inadequate air flow, indoor temperature is substantial, ensuing in inlet air’s substantial temperature (six) The rotating speed is also low,result in the belt slipping. |
(1)Lessen the oil degree or depend on oil (two)Take away of blocking objects (three)Lowering the force by way of the blower (four)Fix its clearance (5)Open vents to decrease place temperature (6) Increase speed to avert the belt slipping. |
| 4 | Inadequate movement |
(1) The inlet filter is blocked (2) EPTTeller put on and the hole raises too a lot (3) Belt slipping (4) Massive EPTTs strain decline (5) EPTline air flow leakage |
(1) Clear the filter dust and obstruction (2) Mend the gap (three)Tighten the belt and improve the number of belts (4)Alter the inlet force to the specified value (5) Verify and mend the pipeline |
| five | Oil leaking or oil leaking into the enclosure |
(one)EPT tank situation cause leakage from the discharge port (two) Seal use, resulting in shaft oil spills (3) The strain is increased than the specified benefit |
(one)Reduce the oil level (2)Replace the seals (three)Very clear the air vents, 2mm diameter faucet is set in the middle chamber, open up the faucet unEPTTthe wall |
| 6 | Irregular vibration and sounds |
(one)EPTT clearance exceeds the specified worth or bearing wear (2) The EPT backlash is way too massive, not in a tigEPTT fixed (3) The international objects and dust triggered by the impeller and the impeller, the impeller and the housing collision (4) the impeller shaft deformation triggered the collision caused by overload, (5) Friction between the impeller and the inlet housing triggered by overheating (6) Unbalance of the impeller brought on by fJCEP or foreign entire body (7) Anchor bolts or other fasteners are loosened |
(1)Replace bearings or bearing seat (two)Reassemble EPT and make sure backlash (three)Cleaning blower, check the situation is ruined (four)Examine the back strain, verify the wheel and modify hole (5)Check out the filter and back pressure, enhance the gap among the impeller inlet and the casing (6)Thoroughly clean the impeller and the casing, to make certain that the impeller clearance function (7) Tighten the anchor bolts and leveling the foundation. |
| 7 | EPT overload |
(1)Compared with the JCEP pressure, the strain difference is massive that the back again force or the inlet strain is higher (two) In contrast with the products demands, blower flow is also huge, so its stress boosts (three)Inlet filter is blocked, or outlet pipe is obstructed or blocked (four) Collusion or friction (stuck) rotating parts (5) The oil level is as well higher (six) NEPT V-belt is overheat, vibration is as well big, or pulley is as well little |
(one) Minimize the strain to the specified benefit (two) Exhaust the surplus fuel into the atmosphere or lessen the blower pace (3) Take away the obstructions (four)Right away shut down, examine the reason (five) Modify the oil to the proper stage (6) Check out the belt stress, and replaced it with massive diameter pulley. |
Our Support
one. Pre promote service two. Right after promote provider
a. advocate the suited model c. on the web technical assist,
b. manufacturing facility tour d. EPTT lifestyle spare components and techinical assist
Gurantee
12 months gurantee for our roots blowers
