Far more importantly, we make particular parts in accordance to supplied drawings/samples and warmly welcome OEM inquiries. EPG will always adhere to it enterprise spirit of getting practical, progressive, effective and superb to make the leading global transmission push. We can supply a entire-variety of energy transmission merchandise like chains, sprockets and plate wheels, pulleys, gearboxes, motors, couplings, gears and racks. We make all sorts of roots blower, centrifugal blower, Our Main merchandise are as underneath:
Variety | Diameter | Price of stream | Stress |
ESR-MJ(Intensive Type) | Phi50~ Phi300mm | .five~140m sup3/min | 9.8KPa~ninety eight.8Kpa |
ESR(Common Variety) | Phi50~ Phi350mm | .5~140m sup3/min | 9.8KPa~seventy eight.4Kpa |
ESR-H(EPT-pressure Kind) | Phi50~ Phi350mm | .seven~160m sup3/min | fifty eight.8KPa~ninety eight.8Kpa |
ESR-V(Vacuum EPT) | Phi50~ Phi350mm | .five~160m sup3/min | nine.8KPa~53.3Kpa |
EL Sequence | Phi200~ Phi600mm | twenty.three~750m sup3/min | 9.8KPa~fifty eight.8Kpa |
Multistage Centrifugal Blower or C-Series |
Phi250~ Phi500mm | fifty~500m sup3/min | nine.8KPa~98Kpa |
ERR-ERG Kind | Phi250~ Phi500mm | a hundred and twenty~420m sup3/min | nine.8KPa~98.8Kpa |
The functioning principle of the three-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. 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 gas in the chamber is pushed to accomplish the
objective of blowing.
Characteristic of our roots blower:
one. Large adjustment of the air volume
2. Minimal Noise
3. EPT effectiveness
4. Reduced strength cosumption
five. EPTT time lifestyle
6. Trustworthy operating, easy maintenance,small footprint
The parameters of our roots blower:
Type | Ratary Speed (r/min) |
Pressure Increase (Kpa) |
Capability (m/min) |
Shaft EPTT (Kw) |
EPT | Device MaXiHu (West EPT) Dis.mn Bodyweight(Kg) |
EPTT (Kw) |
||||||
ESR-50 | 1100-2120 | 9.eight-58.8 | .65-2.fifty eight | .three-three.fifty four | .75-four | 128-158 |
ESR-65 | 1100-2130 | 9.8-fifty eight.eight | .ninety four-3.66 | .38-4.forty six | .75-five.five | 155-185 |
ESR-80 | 1140-1900 | 9.8-fifty eight.8 | two.34-five.43 | one.04-seven.forty two | 2.two-eleven | a hundred and fifty five-277 |
ESR-a hundred | 1060-1980 | nine.eight-fifty eight.eight | four.57-9.05 | 1.35-12.15 | three-15 | 309-377 |
ESR-125 | 980-1850 | 9.8-58.8 | 5.35-twelve.4 | 1.65-five.19 | 5.five-eighteen.five | 408-451 |
ESR-125C | 970-1830 | nine.eight-58.eight | 7.5-seventeen.57 | three.2-eighteen.five | 4-22 | 408-451 |
ESR-one hundred fifty | 810-1730 | 9.eight-fifty eight.8 | 10.37-27.fifteen | three.84-40.82 | 7.5-forty five | 688-848 |
ESR-one hundred seventy five | 970-1520 | nine.eight-fifty eight.eight | 19.sixty five-36.65 | 7.2-45.ninety five | eleven-55 | 980-1080 |
ESR-200B | 740-1450 | nine.8-fifty eight.eight | 19.sixty five-44.eight | ten.15-60.44 | fifteen-75 | 1272-1546 |
ESR-200 | 810-1480 | 9.8-58.eight | 27.sixty five-59.two | 8.05-eighty,twelve | fifteen-ninety | 1272-1546 |
ESR-250B | 1100-1480 | nine.8-58.8 | fifty four.seventy seven-seventy seven.fifty five | 19.97-90.97 | thirty-one hundred ten | 1490-2454 |
ESR-250 | 990-1480 | nine.8-fifty eight.8 | 61.4-ninety seven.52 | 20.1-117.3 | thirty-132 | 1490-2454 |
ESR-three hundred | 990-1480 | 9.8-fifty eight.8 | 87.one-138.one | 26.4-167.eight | 37-185 | 3326-3446 |
ESR-350 | 730-1480 | nine.eight-58.eight | seventy eight.41-177.31 | 55-250 | ||
ESR-50H | 1230-2120 | 63.7-98 | .45-two.02 | 2.05-6.12 | 3-seven.five | 160–one hundred seventy |
ESR-65H | 1240-2130 | sixty three.7-98 | .seventy eight-2.53 | two.89-seven.55 | four-eleven | 198-230 |
ESR-80H | 1140-1900 | 63.7-ninety eight | 1.eighty two-4.fifty five | four.09-10.1 | five.5-15 | 316-326 |
ESR-100H | 1060-1980 | 63.seven-ninety eight | 2.sixty five-eight.06 | six.36-seventeen.2 | 7.5-22 | 398-459 |
ESR-125H | 980-1850 | sixty three.7-ninety eight | 4.64-eleven.23 | 8.ninety two-24.two | eleven-30 | 544-630 |
ESR-150H | 810-1730 | sixty three.seven-ninety eight | nine.fifty three-twenty five.76 | 17.sixteen-sixty five | eighteen.five-seventy five | 752-1571 |
ESR-200H | 810-1480 | sixty three.7-98 | twenty five.34-56.92 | 42.34-a hundred and twenty | fifty five-132 | 1426-1934 |
ESR-250H | 990-1480 | sixty three.7-ninety eight | 58-93.seven | 83.two-205 | ninety-220 | 2980-3468 |
ESR300H | 990-1480 | 63.seven-98 | 86.nine-134.1 | 114.7-270 | 132-280 | 3476-3998 |
ERF-245 | 650-980 | nine.8-ninety eight | 47.5-ninety seven.4 | sixteen-183 | 18.5-two hundred | 3630-3690 |
ERF-250 | 650-980 | 9.8-ninety eight | sixty one.six-120.four | 19-227 | 22-250 | 4450-4500 |
ERF-290 | 650-980 | nine.8-seventy eight.4 | 92.3-128 | 22-213 | thirty-250 | 4890-4710 |
ERF-295 | 650-980 | nine.8-seventy eight.four | 97.3-152.five | 23-227 | 30-250 | 4890-4880 |
ERF-297 | 650-980 | nine.8-78.4 | 87.5-167.six | 26-249 | 30-280 | 5330-5520 |
ERF-300 | 650-980 | nine.8-seventy eight.four | a hundred and one.5-188.7 | 29-278 | 37-315 | 5330-5520 |
ERF-350 | 650-980 | nine.eight-seventy eight.four | 126-224.9 | 34-249 | 45-280 | 5210-6470 |
ERG-300 | 590-730 | nine.eight-ninety eight | 128.3-196 | 38-362 | forty five-400 | 9440-15710 |
ERG-350 | 590-730 | 9.eight-98 | 159.three-231.6 | 43-420 | 55-450 | 9700-1571 |
ERG-400 | 590-730 | nine.eight-83.3 | 203.one-290.nine | fifty two-449 | 75-five hundred | 10090-11390 |
ERG-445 | 590-730 | 9.eight-73.five | 229.seven-327.8 | 58-477 | seventy five-560 | 10600-12230 |
ERG-450 | 590-730 | 9.eight-73.five | 262.4-366.two | sixty four-496 | 75-560 | 10600-12230 |
ERG-500 | 590-730 | 9.8-63.7 | 327.four-452.four | seventy eight-529 | 90-560 | 12790-14620 |
ERF-240-V | 650-980 | -nine.eight- -49 | 38.1-seventy eight | thirteen-seventy six | eighteen.five-ninety | 3420-3285 |
ERF-245-V | 650-980 | -9.8- -49 | forty seven.five-97.four | 16-ninety five | 22-one hundred ten | 3425-3360 |
ERF-250-V | 650-980 | -9.eight- -forty nine | 63-one hundred twenty | 19-117 | 22-132 | 3910-3830 |
ERF-290-V | 650-980 | -9.eight- -forty nine | 72.6-one hundred forty four | 22-136 | thirty-a hundred and sixty | 4415-4270 |
ERF-295-V | 650-980 | -nine.eight- -forty nine | seventy six.6-152 | 23-145 | 30-a hundred and sixty | 4425-4485 |
ERF-297-V | 650-980 | -9.8- -49 | 84.3-166.8 | 26-160 | 30-a hundred and eighty | 5000-4980 |
ERF-three hundred-V | 650-980 | -nine.8- -forty nine | 97-192 | 29-178 | 37-200 | 5000-4980 |
ERF-350-V | 650-980 | -9.8- -49 | 116-225 | 34-209 | forty five-250 | 5400-5700 |
ERG-300V | 590-730 | -9.8- -forty nine | 133-193 | 38-184 | 45-220 | 7800-9100 |
ERG-350V | 590-730 | -9.eight- -49 | 163-231 | 43-216 | 55-250 | 9500-9470 |
ERG-400V | 590-730 | -nine.8- -forty nine | 199-290 | 52-269 | 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 | -9.eight- -49 | 255-365 | sixty four-335 | 75-four hundred | 11230-11300 |
ERG-500V | 590-730 | -nine.eight- -forty nine | 314-452 | seventy eight-412 | 132-450 | 13630-13850 |
ERF-245W | 650-980 | -thirteen.three- -fifty three.3 | fifty three.five-a hundred and one | 21.five-102 | 30-110 | 3630-3360 |
ERF-250W | 650-980 | -13.three- -53.three | sixty nine-127 | 26.five-127 | 30-a hundred and sixty | 3985-4115 |
ERF-290W | 650-980 | -13.three- -53.3 | eighty two.six-a hundred and fifty | 30.five-149 | 37-185 | 4340-4580 |
ERF-295W | 650-980 | -thirteen.three- -53.3 | 87-158 | 32-158 | 37-185 | 4440-4580 |
ERF-297W | 650-980 | -thirteen.3- -53.three | 95-174 | 36-174 | forty five-200 | 5230-5130 |
ERF-300W | 650-980 | -13.3- -fifty three.3 | 109-195 | 40-193 | fifty five-220 | 5230-5130 |
ERF-350W | 650-980 | -thirteen.3- -53.3 | 129-230 | 50-230 | seventy five-250 | 5840-5670 |
ERG-300W | 590-730 | -13.3- -53.3 | 142-197 | fifty two-201 | seventy five-220 | 9100-9000 |
ERF-350W | 590-730 | -thirteen.3- -fifty three.three | 168-234.four | fifty nine-235.5 | seventy five-280 | 9500-9600 |
ERG-400W | 590-730 | -thirteen.3- -53.three | 220-276.6 | seventy one-292 | 90-315 | 9900-10130 |
ERG-445W | 590-730 | -13.three- -53.three | 244-294.six | 82-331 | ninety-four hundred | 11230-11300 |
ERG450W | 590-730 | -13.3- -fifty three.3 | 275-368.5 | 91-366 | 110-400 | 11230-11300 |
ETRF-250 (240,250) |
650-980 | ninety eight-196 | 64.eight-112 | one hundred thirty five-355 | one hundred sixty-400 | 8700-8600 |
ETRF-295 (245,295) |
650-980 | 98-196 | 80.8-139 | 167-439 | 185-five hundred | 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 | 98-137.2 | 124-207 | 241-473 | 280-560 | 10700-11110 |
ETRG-four hundred (three hundred,400) |
590-740 | ninety eight-176.4 | 205-273 | 380-773 | 450-900 | 21350-24200 |
ETRG-450 (350,450) |
590-740 | 98-176.four | 263-428 | 476-955 | 560-1000 | 24200-27600 |
ETRF-250W (240,250) |
650-980 | -53.3–eighty | seventy two-121 | seventy five.six-121 | ninety-160 | 6100-6470 |
ETRF-295W (245/295) |
650-980 | -fifty three.3–80 | 93.8-154 | 99.5-186 | 110-220 | 7000-6400 |
ETRF-300W (2505/three hundred) |
650-980 | -53.three–eighty | 116-189 | one hundred fifteen-220 | 132-250 | 7750-7760 |
EL81WD | 580-980 | nine.eight-58.eight | 54.2-one hundred thirty | 18-151 | 45-185 | 3595 |
EL82WDB | 580-980 | 9.eight-58.8 | seventy two.eight-161 | 22-191 | 45-220 | 3860 |
EL83WDA | 580-980 | nine.8-fifty eight.nine | 101-213 | 28.5-202 | 45-220 | 4300 |
EL84WDA | 580-980 | 9.eight-58.8 | 129-267 | 35.4-252 | forty five-280 | 4720 |
EL93WDA | 580-730 | nine.8-49 | 230-329 | 56.four-311 | seventy five-355 | 7765 |
EL94WDA | 580-730 | 9.eight-49 | 263-373 | sixty four-353 | 75-400 | 8130 |
EL95WDA | 490-580 | 9.eight-fifty eight.eight | 308-434 | eighty one.four-414 | ninety-450 | 11500 |
EL96WDA | 580 | fifty eight.8 | 381 | 497 | 560 | 11500 |
E397WN | 1000-1650 | forty | 5-9 | |||
E408WN | 870-1650 | 40 | ten-22 | |||
E517WN | 980-1580 | 40 | twenty-thirty | |||
E520WN | 930-1550 | 40 | 24-45 | |||
E607WN | 750-1250 | 40 | 45-76 | |||
E610WN | 750-1250 | forty | seventy five-130 |
EPT elements and framework of our roots blower:
Bundle of our Roots Blower
Pack into iron scenario, two layer,blower human body and motor in decrease layer, inlet/out silencer and so on in higher layer
Roots blower pack strategy very same as iron circumstance, just adjust to Fumigation Free Plywood Case
Our manufacturing facility is a skilled manufacturer of Roots blowers which has over 20 years’ experience in EPTTry
production. It is situated in XiHu (West EPT) Dis.hu (West EPT) Dis. EPT EPTT Park, fifty kilometers to the EPT of ZheJCEP provincial
money— EPTEPTTn. Our organization also has practical targeted traffic transportation, as it is 15 kilometers away from
Diaozhen Town station of EPTTngdao-HangEPT expressway, and thirty kilometers away from EPT EPTEPTTn station of
BeiEPTTg-ZheJCEP expressway.The foremost product of our company is ESR -kind Roots Blower. The roots
EPT pump is a new type of higher-effectiveness roots blower, which is deveXiHu (West EPT) Dis.Hu (West EPT) Dis.ed independently primarily based on the
domestic and overseas EPTd systems. Numerous patEPTTd technologies have been adopted on Roots
Blower, and hence we have created considerable results in strength conservation and sounds reduction, etc.. So considerably, our
business has invested more than 30,000,000 RMB to introduce such EPTd professional gear as
horizontal machining cEPTTr, vertical machining cEPTTr, two-way CNC surface planer, CNC lathe, CNC milling
EPTT, CNC planer, airplane grinder, cylindrical grinding EPTT, and a few coordinates testing EPTT.
In addition to, we have taken various measures to stXiHu (West EPT) Dis.Hu (West EPT) Dis.rdize the process stream these kinds of as working and cooperating
with several EPT analysis units, faculties and universities at house and abroad. We also constantly try to
take in and improve the domestic EPTd production systems, so as to market the upgrading and
optimization of the solution and make the merchandise quality achieve the EPTd stage at property and abroad.
ESR -sort Roots Blower incEPTTs a number of collection such as A few-leaves Type, Two-leaves Sort and Centrifugal
Kind,which can be even more divided to hundreds of versions. The items are broadly employed in sewage therapy,
pneumatic conveying,EPT EPTT, aquaculture, food processing, electric EPTT, petrochemical, cement,
mining and other EPTT. Our products have these kinds of positive aspects as minimal sounds, vitality conserving, steady quality,
and EPTT services lifestyle, and many others.. With the revenue retailers through the domestic funds towns, our goods offer nicely all
in excess of the country, and have been exported to North The usa,Russia, Malaysia, Indonesia, Vietnam, South Africa
and some other countries. Getting received the ISO9001 JCEP EPTT Program Certification, we have
estabEPTTd and improved the quality assurance of the goods creating, producing, and installation.
From the approach of layout, research and deveXiHu (West EPT) Dis.Hu (West EPT) Dis.ment to the finished products, we have got the EPTT
process managed independently, therefore delivering the complete basis and dependability assure for the merchandise balance
and durability. Obtaining a best income network and soon after-product sales provider, we provide our buyers with greater-
high quality and more effective services.All personnel of our business sincerely welcome the broad masses of pals to
XiHu (West EPT) Dis.Hu (West EPT) Dis., and negotiate business with us.
Our Roots Blower Workshop
Doosn Horzitonal EPTT CEPTTr
The Software of the Roots Blower
Maintenance and inspection
(1) Examine all fasteners and finding pins problems regardless of whether they are loosening.
(two) AlwaEPTTcheck whether the leakage phenomenon of the entire body.
(three) Spend focus to lubrication, sum of grease and noises when managing,
deterEPT whether or not 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 forty ordmC, flash stage ge two hundred ordmC)
The grease is butter (synthetic lithium grease penetration 220-250, drop level ge
190 ordmC). Exchange the lubricant and grease right after first 200 hours working, and change
yet again right after a moth running. Later, exchange the lubricant and grease according to the
atmosphere and lubricant (grease) top quality suggest a suitable replacement for three
months.
(5) AlwaEPTTcheck the inlet air filter, clean or change the filter in time.
(six) Blower overload sometimes not quickly shown, so pay consideration to
the intake and exhaust strain, bearing temperature and the existing improve developments
of motor to deterEPT no matter whether the blower functions generally
(seven) Before disassembling the blower, the assembling relation and dimensions
should be recorded or measured, make marks on factors to ensure the original
demands following assembling.
(8) When recently EPTT or overhaul, the oil tank should be cleaned before use
and propose substitute all grease after 8 hours working.
Typical failure explanation and troubleshooting
No | Failure | Possible factors | Elimination methods |
one | Friction between the impeller |
(one) EPTTurities on the impeller, ensuing in the hole is way too small (two) EPT put on, resulting in a huge backlash (three) The EPT is not nicely mounted, can not sustain the impeller synchronization (four) EPTT wear resulting in clearance growing. |
(one) Take away filth and examine regardless of whether there is injury areas (2) Alter the EPT hole, substitute the EPTs if the EPT backlash is higher than the average thirty% to 50% (three)Re-assemble the EPTs, maintain the EPTTr speak to area is to 75% (four)Substitute the bearing |
two | Collision in between impeller and wall, the impeller leading and casing |
(one) Installation hole is not correct (two) running stress is way too higher, exceeding the specified worth (three) Operating temperature is too large (four) Casing or base deformation, positioning enthusiast failure (five) EPTT aXiHu (West EPT) Dis.al location is not very good |
(one) Alter the gap (two) Recognize triggers of overloading, decreased the force to the specified price (three) Verify the set up accuracy and lessen the pipe stress (4) Verify and mend bearings, and to guarantee the clearance (five)Relocation |
three | Temperature also substantial |
(1) Oil in tank is way too significantly, also thick or also filthy (two) EPT or silencer is blocked (3)The strain is larger than the specified price (four)Excessive dress in of the impeller, huge hole (five)Bad air flow, indoor temperature is large, resulting in inlet air’s high temperature (6) The rotating pace is also minimal,outcome in the belt slipping. |
(1)Minimize the oil stage or count on oil (two)Take away of blocking objects (3)Lowering the strain by way of the blower (four)Restore its clearance (five)Open up vents to lessen place temperature (6) Increase pace to stop the belt slipping. |
four | Insufficient circulation |
(1) The inlet filter is blocked (two) EPTTeller wear and the hole will increase way too significantly (three) Belt slipping (4) Large EPTTs force reduction (5) EPTline air flow leakage |
(one) Thoroughly clean the filter dust and obstruction (two) Restore the gap (3)Tighten the belt and enhance the number of belts (four)Change the inlet force to the specified price (five) Check out and fix the pipeline |
five | Oil leaking or oil leaking into the enclosure |
(one)EPT tank placement cause leakage from the discharge port (two) Seal use, ensuing in shaft oil spills (three) The strain is larger than the specified value |
(1)Reduce the oil stage (2)Change the seals (three)Very clear the air vents, 2mm diameter faucet is fastened in the center chamber, open up the faucet unEPTTthe wall |
six | Irregular vibration and noise |
(one)EPTT clearance exceeds the specified value or bearing dress in (2) The EPT backlash is way too massive, not in a tigEPTT set (3) The overseas objects and dust caused by the impeller and the impeller, the impeller and the housing collision (4) the impeller shaft deformation brought on the collision caused by overload, (five) Friction in between the impeller and the inlet housing induced by overheating (6) Unbalance of the impeller brought on by fJCEP or foreign body (7) Anchor bolts or other fasteners are loosened |
(1)Replace bearings or bearing seat (two)Reassemble EPT and ensure backlash (three)Cleaning blower, verify the situation is damaged (4)Examine the again stress, examine the wheel and adjust hole (5)Check the filter and back again force, enhance the gap in between the impeller inlet and the casing (6)Cleanse the impeller and the casing, to ensure that the impeller clearance operate (7) Tighten the anchor bolts and leveling the base. |
seven | EPT overload |
(one)In contrast with the JCEP pressure, the stress difference is big that the back again force or the inlet stress is high (two) In comparison with the tools needs, blower flow is too massive, so its force boosts (three)Inlet filter is blocked, or outlet pipe is obstructed or blocked (four) Collusion or friction (stuck) rotating components (5) The oil level is too large (6) NEPT V-belt is overheat, vibration is also big, or pulley is way too small |
(1) Lessen the force to the specified price (2) Exhaust the extra gasoline into the environment or minimize the blower speed (3) Remove the obstructions (4)Immediately shut down, verify the reason (five) Adjust the oil to the appropriate degree (6) Check out the belt tension, and changed it with large diameter pulley. |
Our Support
one. Pre promote services two. Soon after sell services
a. advise the suited product c. on the internet technological assist,
b. manufacturing facility tour d. EPTT daily life spare parts and techinical support
Gurantee
12 months gurantee for our roots blowers