Roots China in Dubai United Arab Emirates drum gear coupling supplier Blower in Johor Bahru Malaysia hydax gear coupling manufacturer Spare Parts Base with top quality lowest price

Roots  China  in   Dubai United Arab Emirates   drum gear coupling  supplier  Blower  in   Johor Bahru Malaysia   hydax gear coupling  manufacturer  Spare Parts Base with top quality lowest price

We – EPG Team the most significant couplings and gears manufacturing facility in China with five different branches. For far more information: Cell/whatsapp/telegram/Kakao us at: 0086-13083988828 /

We make all kinds of roots blower, centrifugal blower, Our Principal merchandise are as under:

Kind Diameter Charge of movement Strain
ESR-MJ(Intensive Sort) Φ50~Φ300mm .five~140m³/min 9.8KPa~ninety eight.8Kpa
ESR(Ordinary Sort) Φ50~Φ350mm .five~140m³/min nine.8KPa~seventy eight.4Kpa
ESR-H(Large-strain Sort) Φ50~Φ350mm .7~160m³/min fifty eight.8KPa~ninety eight.8Kpa
ESR-V(Vacuum Pump) Φ50~Φ350mm .five~160m³/min 9.8KPa~fifty three.3Kpa
EL Series Φ200~Φ600mm 20.3~750m³/min 9.8KPa~58.8Kpa
Multistage Centrifugal Blower
or C-Series
Φ250~Φ500mm 50~500m³/min nine.8KPa~98Kpa
ERR-ERG Variety Φ250~Φ500mm 120~420m³/min 9.8KPa~98.8Kpa

The operating basic principle of the 3-blade roots blower: two three-lobed rotors are organized in the cavity, and the
suction port and the discharge port are opened on each sides of the cavity. Through the motion 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 achieve the
goal of blowing.

Attribute of our roots blower:
1. Huge adjustment of the air volume
two. Reduced Sound
three. Substantial efficiency
four. Low power cosumption
5. Lengthy time lifestyle
6. Reputable running, easy maintenance,small footprint

The parameters of our roots blower:

Kind Ratary Pace
Pressure Increase
Shaft Electricity
Motor Unit Maximn
Excess weight(Kg)
ESR-50 1100-2120 nine.eight-58.eight .65-2.58 .3-3.54 .seventy five-4 128-158
ESR-sixty five 1100-2130 9.8-fifty eight.eight .94-three.66 .38-4.forty six .seventy five-five.5 one hundred fifty five-185
ESR-eighty 1140-1900 nine.8-58.eight 2.34-five.43 one.04-7.forty two 2.two-11 a hundred and fifty five-277
ESR-one hundred 1060-1980 nine.8-58.eight four.fifty seven-9.05 one.35-twelve.15 three-fifteen 309-377
ESR-one hundred twenty five 980-1850 nine.8-58.8 5.35-twelve.4 1.sixty five-five.19 5.5-18.5 408-451
ESR-125C 970-1830 nine.eight-58.8 seven.5-17.fifty seven three.two-18.5 4-22 408-451
ESR-one hundred fifty 810-1730 nine.eight-fifty eight.8 ten.37-27.fifteen 3.84-forty.82 seven.five-forty five 688-848
ESR-175 970-1520 9.8-58.8 19.65-36.sixty five 7.2-45.ninety five eleven-fifty five 980-1080
ESR-200B 740-1450 nine.eight-fifty eight.8 19.65-forty four.8 ten.fifteen-60.44 fifteen-75 1272-1546
ESR-two hundred 810-1480 nine.8-fifty eight.eight 27.65-59.two 8.05-eighty,12 fifteen-90 1272-1546
ESR-250B 1100-1480 nine.eight-fifty eight.eight fifty four.77-seventy seven.55 19.ninety seven-90.97 thirty-a hundred and ten 1490-2454
ESR-250 990-1480 nine.8-fifty eight.8 sixty one.4-ninety seven.fifty two 30-132 1490-2454
ESR-300 990-1480 nine.8-58.eight 26.four-167.8 37-185 3326-3446
ESR-350 730-1480 nine.8-58.8 seventy eight.41-177.31   fifty five-250  
ESR-50H 1230-2120 63.7-98 .forty five-2.02 2.05-six.twelve 3-7.5 a hundred and sixty–170
ESR-65H 1240-2130 sixty three.7-ninety eight .seventy eight-two.fifty three two.89-7.fifty five four-eleven 198-230
ESR-80H 1140-1900 63.7-ninety eight one.eighty two-four.55 5.five-15 316-326
ESR-100H 1060-1980 2.sixty five-eight.06 six.36-17.two 7.5-22 398-459
ESR-125H 980-1850 four.sixty four-11.23 eight.92-24.two 11-30 544-630
ESR-150H 810-1730 sixty nine.53-twenty five.76 17.16-sixty five eighteen.five-seventy five 752-1571
ESR-200H 810-1480 eight twenty five.34-fifty six.ninety two forty two.34-one hundred twenty 55-132 1426-1934
ESR-250H 990-1480 eight 58-93.7 eighty three.2-205 90-220 2980-3468
ESR300H 990-1480 63.7-ninety eight 114.7-270 132-280 3476-3998
ERF-245 650-980 9.8-98 forty seven.5-97.4 sixteen-183 eighteen.five-200 3630-3690
ERF-250 650-980 9.eight-ninety eight 61.6-a hundred and twenty.four 19-227 22-250 4450-4500
ERF-290 650-980 9.eight-78.four ninety two.three-128 22-213 30-250 4890-4710
ERF-295 650-980 9.8-seventy eight.4 97.3-152.5 23-227 30-250 4890-4880
ERF-297 650-980 nine.eight-seventy eight.4 87.five-167.6 26-249 thirty-280 5330-5520
ERF-300 650-980 9.8-78.four a hundred and one.five-188.7 29-278 37-315 5330-5520
ERF-350 650-980 nine.eight-seventy eight.4 126-224.nine 34-249 45-280 5210-6470
ERG-300 590-730 nine.eight-98 128.three-196 38-362 forty five-four hundred 9440-15710
ERG-350 590-730 nine.eight-98 159.three-231.6 forty three-420 55-450 9700-1571
ERG-400 590-730 9.8-83.three 203.1-290.nine 52-449 seventy five-500 10090-11390
ERG-445 590-730 nine.eight-seventy three.5 58-477 seventy five-560 10600-12230
ERG-450 590-730 nine.eight-seventy three.five 262.4-366.2 sixty four-496 seventy five-560 10600-12230
ERG-500 590-730 nine.eight-sixty three.7 327.four-452.four seventy eight-529 ninety-560 12790-14620
ERF-240-V 650-980 -nine.eight- -49 thirteen-seventy six eighteen.5-ninety 3420-3285
ERF-245-V 650-980 -nine.eight- -forty nine forty seven.5-ninety seven.4 16-95 22-one hundred ten 3425-3360
ERF-250-V 650-980 -9.8- -forty nine sixty three-a hundred and twenty 19-117 22-132 3910-3830
ERF-290-V 650-980 -9.eight- -forty nine 72.6-one hundred forty four 22-136 30-a hundred and sixty 4415-4270
ERF-295-V 650-980 -nine.8- -49 seventy six.six-152 23-one hundred forty five 30-160 4425-4485
ERF-297-V 650-980 -nine.8- -49 eighty four.three-166.8 26-one hundred sixty 30-one hundred eighty 5000-4980
ERF-three hundred-V 650-980 -nine.eight- -forty nine ninety seven-192 29-178 37-200 5000-4980
ERF-350-V 650-980 -9.eight- -forty nine 116-225 34-209 45-250 5400-5700
ERG-300V 590-730 -9.eight- -forty nine 133-193 38-184 forty five-220 7800-9100
ERG-350V 590-730 -9.8- -forty nine 163-231 43-216 55-250 9500-9470
ERG-400V 590-730 -9.eight- -49 199-290 52-269 seventy five-315 9900-10130
ERG-445V 590-730 -9.eight- -49 224.8-326.9 fifty eight-303 75-355 9900-10130
ERG-450V 590-730 -nine.eight- -forty nine 255-365 sixty four-335 seventy five-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- -53.3 53.five-a hundred and one 21.5-102 30-a hundred and ten 3630-3360
ERF-250W 650-980 -13.3- -fifty three.three sixty nine-127 26.five-127 30-one hundred sixty 3985-4115
ERF-290W 650-980 -thirteen.three- -53.three 82.6-150 30.5-149 37-185 4340-4580
ERF-295W 650-980 -thirteen.three- -53.three 87-158 32-158 37-185 4440-4580
ERF-297W 650-980 -thirteen.three- -fifty three.3 ninety five-174 36-174 forty five-two hundred 5230-5130
ERF-300W 650-980 -13.3- -fifty three.3 109-195 forty-193 fifty five-220 5230-5130
ERF-350W 650-980 -13.three- -53.three 129-230 fifty-230 75-250 5840-5670
ERG-300W 590-730 -thirteen.3- -fifty three.three 142-197 52-201 75-220 9100-9000
ERF-350W 590-730 -thirteen.3- -fifty three.3 168-234.four 59-235.five seventy five-280 9500-9600
ERG-400W 590-730 -thirteen.3- -53.three 220-276.six 71-292 ninety-315 9900-10130
ERG-445W 590-730 -thirteen.3- -53.three 244-294.6 eighty two-331 ninety-400 11230-11300
ERG450W 590-730 -thirteen.3- -53.3 275-368.five ninety one-366 one hundred ten-four hundred 11230-11300
650-980 98-196 sixty four.8-112 135-355 160-four hundred 8700-8600
650-980 98-196 80.eight-139 167-439 185-five hundred 9200-9100
650-980 ninety eight-176.four 102-174 206-497 250-560 10320-10500
650-980 ninety eight-137.2 124-207 241-473 280-560 10700-11110
(three hundred,400)
590-740 ninety eight-176.4 205-273 380-773 450-900 21350-24200
590-740 98-176.four 263-428 476-955 560-one thousand 24200-27600
650-980 -fifty three.3–80 seventy two-121 seventy five.six-121 ninety-160 6100-6470
650-980 -fifty three.three–eighty 93.8-154 ninety nine.five-186 a hundred and ten-220 7000-6400
(2505/three hundred)
650-980 -fifty three.3–eighty 116-189 a hundred and fifteen-220 132-250 7750-7760
EL81WD 580-980 9.eight-fifty eight.8 fifty four.2-a hundred thirty 18-151 45-185 3595
EL82WDB 580-980 nine.8-fifty eight.8 72.eight-161 22-191 45-220 3860
EL83WDA 580-980 nine.8-fifty eight.nine a hundred and one-213 28.5-202 forty five-220 4300
EL84WDA 580-980 9.8-58.8 129-267 35.four-252 45-280 4720
EL93WDA 580-730 9.8-forty nine 230-329 fifty six.4-311 seventy five-355 7765
EL94WDA 580-730 nine.eight-49 263-373 64-353 seventy five-four hundred 8130
EL95WDA 490-580 nine.8-58.eight 308-434 eighty one.4-414 90-450 11500
EL96WDA 580 fifty eight.8 381 497 560 11500
E397WN one thousand-1650 forty 5-nine      
E408WN 870-1650 forty 10-22      
E517WN 980-1580 forty 20-thirty      
E520WN 930-1550 forty 24-45      
E607WN 750-1250 40 forty five-76      
E610WN 750-1250 40 seventy five-one hundred thirty      

Spare parts and framework of our roots blower:

Package deal of our Roots Blower

Pack into iron scenario, two layer,blower body and motor in reduce layer, inlet/out silencer and so on in upper layer

Roots blower pack method same as iron circumstance, just adjust to Fumigation Free of charge Plywood Circumstance

Our factory is a expert maker of Roots blowers which has over 20 years’ experience in machinery
production. It is located in Xihu (West Lake) Dis. East Industrial Park, 50 kilometers to the east of Shan EPT provincial
funds— HangZhou. Our organization also has convenient visitors transportation, as it is fifteen kilometers absent from
Diaozhen Town station of HangZhou-HangZhou expressway, and thirty kilometers away from East HangZhou station of
ZheJiang -ZheJiang expressway.The major solution of our company is ESR -sort Roots Blower. The roots
vacuum pump is a new type of high-performance roots blower, which is designed independently primarily based on the
domestic and foreign advanced systems. Numerous patented technologies have been adopted on Roots
Blower, and hence we have made considerable consequences in energy conservation and noise reduction, and so on.. So significantly, our
organization has invested far more than thirty,000,000 RMB to introduce these kinds of innovative expert products as
horizontal machining centre, vertical machining heart, two-way CNC area planer, CNC lathe, CNC milling
device, CNC planer, plane grinder, cylindrical grinding equipment, and three coordinates testing machine.
Besides, we have taken various steps to standardize the approach stream such as doing work and cooperating
with several scientific research units, schools and universities at property and abroad. We also repeatedly try out to
take in and boost the domestic advanced generation systems, so as to encourage the upgrading and
optimization of the solution and make the merchandise high quality get to the advanced level at home and abroad.
ESR -variety Roots Blower consists of many collection these kinds of as A few-leaves Variety, Two-leaves Sort and Centrifugal
Sort,which can be more divided to hundreds of kinds. The items are widely utilised in sewage therapy,
pneumatic conveying,vacuum packaging, aquaculture, food processing, EPT power, petrochemical, cement,
mining and other industries. Our items have this sort of positive aspects as lower noise, strength conserving, secure quality,
and prolonged support daily life, and many others.. With the product sales outlets throughout the domestic capital towns, our merchandise sell well all
above the region, and have been exported to North The us,Russia, Malaysia, Indonesia, Vietnam, South Africa
and some other nations around the world. Getting acquired the ISO9001 Global Top quality Technique Certification, we have
set up and enhanced the quality assurance of the products planning, manufacturing, and installation.
From the process of layout, research and growth to the finished products, we have got the total
process managed independently, hence offering the complete basis and trustworthiness assure for the items stability
and longevity. Obtaining a perfect product sales network and following-income provider, we give our consumers with increased-
good quality and far more successful services.All personnel of our business sincerely welcome the wide masses of close friends to
manual, and negotiate company with us.

Our Roots Blower Workshop

         Doosn Horzitonal Device Centre

The Application of the Roots Blower

Routine maintenance and inspection
(1) Check out all fasteners and finding pins situations whether or not they are loosening.
(2) Constantly verify whether the leakage phenomenon of the entire body.
(three) Shell out consideration to lubrication, amount of grease and noises when running,
establish no matter whether it functions underneath the needed conditions.
(4) Lubricant & grease: The lubricant is for medium load industrial equipment oil
(quality 220, kinematic viscosity of 198 ~ 242mm2 / s 40ºC, flash position ≥ 200ºC)
The grease is butter (artificial lithium grease penetration 220-250, fall stage ≥
190ºC). Replace the lubricant and grease after 1st 200 several hours managing, and replace
again following a moth working. Afterwards, exchange the lubricant and grease in accordance to the
setting and lubricant (grease) high quality propose a suitable EPT for a few
(five) Always examine the inlet air filter, clean or substitute the filter in time.
(six) Blower overload sometimes not right away exhibited, so pay out interest to
the ingestion and exhaust strain, bearing temperature and the existing improve developments
of motor to establish regardless of whether the blower operates generally
(7) Prior to disassembling the blower, the assembling relation and proportions
should be recorded or calculated, make marks on factors to guarantee the authentic
requirements soon after assembling.
(8) When recently device or overhaul, the oil tank must be cleaned before use
and suggest replace all grease following eight hrs working.

Frequent failure purpose and troubleshooting

No Failure Attainable reasons Elimination strategies
1 Friction
between the
(one) Impurities on the impeller,
resulting in the gap is also modest
(two) Equipment wear, resulting in a
big backlash
(3) The gear is not nicely fixed,
can not sustain the impeller
(four) Bearing dress in resulting in
clearance rising.
(1) Eliminate grime and examine
regardless of whether there is hurt parts
(2) Change the gear gap, change
the gears if the gear backlash is
greater than the average thirty% to
(3)Re-assemble the gears, maintain
the taper contact region is to seventy five%
(four)Change the bearing
2 Collision
impeller and
wall, the
impeller best
and casing
(one) Installation hole is not right
(two) functioning force is as well
substantial, exceeding the specified
(3) Functioning temperature is way too large
(4) Casing or foundation deformation,
positioning enthusiast failure
(five) Bearing axial spot is not good
(1) Adjust the gap
(2) Determine triggers of
overloading, diminished the pressure
to the specified worth
(3) Examine the set up
accuracy and decrease the pipe
(four) Check out and mend bearings,
and to make certain the clearance
three Temperature
too large
(one) Oil in tank is as well significantly, also
thick or also filthy
(2) Filter or silencer is blocked
(3)The force is larger than
the specified price
(four)Excessive dress in of the
impeller, large gap
(five)Inadequate ventilation, indoor
temperature is large, resulting in
inlet air’s higher temperature
(6) The rotating speed is also reduced,result in the belt slipping.
(one)Minimize the oil degree or rely on
(2)Get rid of of blocking objects
(three)Lowering the force via
the blower
(4)Fix its clearance
(five)Open up vents to minimize room
(six) Improve speed to avoid the
belt slipping.
four Inadequate
(1) The inlet filter is blocked
(two) Impeller use and the hole
boosts as well much
(3) Belt slipping
(four) Huge imports strain loss
(five) Pipeline air flow leakage
(one) Clear the filter dust and
(2) Mend the gap
(three)Tighten the belt and enhance
the variety of belts
(4)Modify the inlet pressure to the
specified value
(five) Verify and fix the pipeline
five Oil leaking or
oil leaking
into the enclosure
(1)Large tank situation trigger
leakage from the discharge port
(2) Seal wear, resulting in shaft oil spills
(three) The force is greater than
the specified value

(one)Reduce the oil level
(two)Replace the seals
(3)Distinct the air vents, 2mm diameter faucet is fixed in the
center chamber, open the faucet
underneath the wall
6 Irregular
vibration and
(1)Bearing clearance exceeds the
specified value or bearing wear
(two) The equipment backlash is too
massive, not in a tight mounted
(3) The overseas 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 in between the impeller
and the inlet housing induced by
(6) Unbalance of the impeller
caused by fouling or foreign
entire body
(7) Anchor bolts or other
fasteners are loosened
(one)Substitute bearings or bearing
(2)Reassemble gear and ensure
(3)Cleansing blower, check the
circumstance is destroyed
(four)Examine the again force, examine
the wheel and change hole
(5)Check the filter and again
stress, improve the gap
amongst the impeller inlet and the
(six)Cleanse the impeller and the
casing, to make sure that the impeller
clearance perform
(7) Tighten the anchor bolts and
leveling the base.
7 Motor
(one)When compared with the needed
strain, the strain variation
is big that the back force or
the inlet stress is higher
(2) Compared with the
equipment specifications, blower
circulation is as well big, so its force
will increase
(3)Inlet filter is blocked, or outlet
pipe is obstructed or blocked
(four) Collusion or friction (trapped)
rotating components
(five) The oil degree is as well large
(6) Slender V-belt is overheat,
vibration is way too huge, or pulley
is way too little
(one) Decrease the stress to the
specified value
(two) Exhaust the excess gas into
the atmosphere or minimize the
blower speed
(3) Get rid of the obstructions
(four)Quickly shut down, verify
the purpose
(five) Modify the oil to the appropriate
(6) Check out the belt tension, and
changed it with big diameter

Our Services

1. Pre promote service                                                                              2. Soon after market service                                          
a. suggest the suited model                                             c. on the internet technological assistance,                                                                                   
b. manufacturing unit tour                                                                              d. total existence spare components and techinical support


12 months gurantee for our roots blowers

/ The use of authentic gear manufacturer’s (OEM) component figures or emblems , e.g. CASE® and John Deere® are for reference reasons only and for indicating solution use and compatibility. Our business and the listed EPT components contained herein are not sponsored, accredited, or manufactured by the OEM. /

Roots  China  in   Dubai United Arab Emirates   drum gear coupling  supplier  Blower  in   Johor Bahru Malaysia   hydax gear coupling  manufacturer  Spare Parts Base with top quality lowest price

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