Roots China in Ujja in India gear type coupling near me Blower in Naberezhnye Tchelny Russian Federation flender gear coupling supplier Spare Parts Flexible Joint with top quality lowest price

Roots  China  in   Ujja in India   gear type coupling  near me  Blower  in   Naberezhnye Tchelny Russian Federation   flender gear coupling  supplier  Spare Parts Flexible Joint  with top quality lowest price

We – EPG Group the most significant couplings and gears manufacturing unit in China with five various branches. For a lot more specifics: Mobile/whatsapp/telegram/Kakao us at: 0086-13083988828 /

We make all kinds of roots blower, centrifugal blower, Our Main goods are as under:

Kind Diameter Fee of movement Stress
ESR-MJ(Intensive Sort) Φ50~Φ300mm .5~140m³/min nine.8KPa~ninety eight.8Kpa
ESR(Common Sort) Φ50~Φ350mm .5~140m³/min 9.8KPa~seventy eight.4Kpa
ESR-H(Substantial-stress Kind) Φ50~Φ350mm .seven~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 twenty.3~750m³/min 9.8KPa~58.8Kpa
Multistage Centrifugal Blower
or C-Sequence
Φ250~Φ500mm 50~500m³/min nine.8KPa~98Kpa
ERR-ERG Type Φ250~Φ500mm a hundred and twenty~420m³/min nine.8KPa~98.8Kpa

The functioning principle of the three-blade roots blower: two a few-lobed rotors are arranged in the cavity, and the
suction port and the discharge port are opened on each sides of the cavity. By way of the motion of a pair of
synchronous gears, 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 gasoline in the chamber is pushed to obtain the
function of blowing.

Attribute of our roots blower:
one. Huge adjustment of the air quantity
two. Lower Noise
3. Higher effectiveness
four. Minimal vitality cosumption
5. Long time daily life
six. Reputable working, simple servicing,little footprint

The parameters of our roots blower:

Kind Ratary Velocity
Strain Increase
Shaft Power
Motor Device Maximn
Electrical power
ESR-50 1100-2120 nine.eight-fifty eight.eight .sixty five-two.fifty eight .three-three.54 .75-4 128-158
ESR-sixty five 1100-2130 9.eight-58.eight .ninety four-3.66 .38-four.46 .seventy five-5.5 one hundred fifty five-185
ESR-80 1140-1900 nine.8-58.8 two.34-five.43 one.04-7.42 two.2-eleven 155-277
ESR-100 1060-1980 9.eight-fifty eight.eight four.57-nine.05 1.35-12.15 3-15 309-377
ESR-one hundred twenty five 980-1850 9.eight-58.8 five.35-12.4 1.sixty five-five.19 five.5-18.five 408-451
ESR-125C 970-1830 nine.eight-fifty eight.eight 7.5-17.57 three.two-18.5 four-22 408-451
ESR-a hundred and fifty 810-1730 nine.eight-fifty eight.8 ten.37-27.15 3.eighty four-40.82 7.five-forty five 688-848
ESR-a hundred seventy five 970-1520 nine.eight-58.eight 19.sixty five-36.sixty five 7.two-forty five.ninety five 11-fifty five 980-1080
ESR-200B 740-1450 9.eight-fifty eight.8 19.sixty five-forty four.eight ten.fifteen-sixty.forty four fifteen-seventy five 1272-1546
ESR-two hundred 810-1480 9.8-58.eight 27.sixty five-59.two 8.05-80,12 15-90 1272-1546
ESR-250B 1100-1480 nine.8-58.eight 54.seventy seven-77.fifty five 19.ninety seven-ninety.ninety seven thirty-a hundred and ten 1490-2454
ESR-250 990-1480 9.eight-58.8 61.four-ninety seven.fifty two 30-132 1490-2454
ESR-three hundred 990-1480 nine.eight-58.eight 26.4-167.eight 37-185 3326-3446
ESR-350 730-1480 nine.eight-fifty eight.eight seventy eight.forty one-177.31   55-250  
ESR-50H 1230-2120 eight .forty five-2.02 2.05-6.twelve 3-seven.five a hundred and sixty–one hundred seventy
ESR-65H 1240-2130 sixty eight .seventy eight-two.53 2.89-7.fifty five 4-eleven 198-230
ESR-80H 1140-1900 63.7-98 one.82-4.fifty five five.5-15 316-326
ESR-100H 1060-1980 63.7-98 two.65-eight.06 six.36-seventeen.two seven.five-22 398-459
ESR-125H 980-1850 eight 4.sixty four-11.23 8.ninety two-24.2 11-thirty 544-630
ESR-150H 810-1730 eight nine.fifty three-twenty five.seventy six seventeen.16-65 eighteen.5-seventy five 752-1571
ESR-200H 810-1480 sixty eight twenty five.34-fifty six.92 42.34-a hundred and twenty fifty five-132 1426-1934
ESR-250H 990-1480 sixty three.7-98 fifty 83.two-205 90-220 2980-3468
ESR300H 990-1480 eight 86.9-134.1 114.7-270 132-280 3476-3998
ERF-245 650-980 9.8-ninety eight 47.5-97.four 16-183 eighteen.5-two hundred 3630-3690
ERF-250 650-980 9.8-ninety eight 61.six-120.4 19-227 22-250 4450-4500
ERF-290 650-980 9.eight-seventy eight.4 ninety two.3-128 22-213 30-250 4890-4710
ERF-295 650-980 nine.eight-seventy eight.four 97.3-152.five 23-227 thirty-250 4890-4880
ERF-297 650-980 nine.eight-78.four 87.5-167.six 26-249 thirty-280 5330-5520
ERF-300 650-980 nine.8-seventy eight.4 a hundred and one.five-188.7 29-278 37-315 5330-5520
ERF-350 650-980 9.8-seventy eight.four 126-224.nine 34-249 45-280 5210-6470
ERG-300 590-730 nine.8-98 128.3-196 38-362 forty five-four hundred 9440-15710
ERG-350 590-730 9.8-ninety eight 159.3-231.6 43-420 fifty five-450 9700-1571
ERG-four hundred 590-730 nine.8-eighty three.three 203.1-290.9 52-449 seventy five-500 10090-11390
ERG-445 590-730 nine.8-73.5 229.7-327.eight fifty eight-477 seventy five-560 10600-12230
ERG-450 590-730 nine.8-73.five 262.four-366.2 64-496 seventy five-560 10600-12230
ERG-five hundred 590-730 9.eight-sixty three.7 327.4-452.four seventy eight-529 ninety-560 12790-14620
ERF-240-V 650-980 -9.8- -forty nine 38.1-78 thirteen-76 eighteen.5-90 3420-3285
ERF-245-V 650-980 -nine.eight- -forty nine forty seven.five-97.4 16-ninety five 22-a hundred and ten 3425-3360
ERF-250-V 650-980 -9.8- -forty nine sixty three-one hundred twenty 19-117 22-132 3910-3830
ERF-290-V 650-980 -9.eight- -49 seventy two.six-a hundred and 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-a hundred forty five thirty-160 4425-4485
ERF-297-V 650-980 -9.8- -49 84.three-166.8 26-one hundred sixty 30-a hundred and eighty 5000-4980
ERF-300-V 650-980 -9.eight- -forty nine 97-192 29-178 37-two hundred 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.eight- -49 163-231 forty three-216 fifty five-250 9500-9470
ERG-400V 590-730 -nine.eight- -forty nine 199-290 fifty two-269 seventy five-315 9900-10130
ERG-445V 590-730 -nine.eight- -forty nine 224.8-326.nine 58-303 seventy five-355 9900-10130
ERG-450V 590-730 -nine.8- -49 255-365 64-335 seventy five-400 11230-11300
ERG-500V 590-730 -nine.eight- -49 314-452 seventy eight-412 132-450 13630-13850
ERF-245W 650-980 -thirteen.three- -53.three fifty three.5-101 21.five-102 thirty-a hundred and ten 3630-3360
ERF-250W 650-980 -13.three- -53.3 sixty nine-127 26.5-127 thirty-one hundred sixty 3985-4115
ERF-290W 650-980 -thirteen.three- -53.3 82.six-a hundred and fifty thirty.five-149 37-185 4340-4580
ERF-295W 650-980 -13.3- -53.3 87-158 32-158 37-185 4440-4580
ERF-297W 650-980 -13.three- -53.3 ninety five-174 36-174 forty five-200 5230-5130
ERF-300W 650-980 -13.three- -fifty three.3 109-195 40-193 fifty five-220 5230-5130
ERF-350W 650-980 -13.3- -fifty three.three 129-230 fifty-230 75-250 5840-5670
ERG-300W 590-730 -13.3- -fifty three.three 142-197 fifty two-201 seventy five-220 9100-9000
ERF-350W 590-730 -thirteen.three- -fifty three.3 168-234.4 fifty nine-235.5 75-280 9500-9600
ERG-400W 590-730 -thirteen.3- -53.three 220-276.6 71-292 90-315 9900-10130
ERG-445W 590-730 -thirteen.3- -53.3 244-294.6 82-331 ninety-400 11230-11300
ERG450W 590-730 -thirteen.three- -53.three 275-368.5 ninety one-366 one hundred ten-four hundred 11230-11300
650-980 ninety eight-196 64.8-112 one hundred thirty five-355 one hundred sixty-four hundred 8700-8600
650-980 ninety eight-196 80.eight-139 167-439 185-five hundred 9200-9100
ETRF-three hundred
650-980 98-176.four 102-174 206-497 250-560 10320-10500
650-980 98-137.two 124-207 241-473 280-560 10700-11110
ETRG-four hundred
(three hundred,400)
590-740 98-176.four 205-273 380-773 450-900 21350-24200
590-740 ninety eight-176.4 263-428 476-955 560-one thousand 24200-27600
650-980 -53.three–80 seventy two-121 seventy five.6-121 90-one hundred sixty 6100-6470
650-980 -fifty three.3–80 93.eight-154 ninety nine.5-186 110-220 7000-6400
(2505/three hundred)
650-980 -53.3–80 116-189 115-220 132-250 7750-7760
EL81WD 580-980 9.eight-58.8 54.two-one hundred thirty 18-151 forty five-185 3595
EL82WDB 580-980 nine.eight-fifty eight.eight seventy two.8-161 22-191 forty five-220 3860
EL83WDA 580-980 nine.8-fifty eight.9 one hundred and one-213 28.5-202 forty five-220 4300
EL84WDA 580-980 nine.8-fifty eight.8 129-267 35.4-252 45-280 4720
EL93WDA 580-730 nine.8-49 230-329 56.four-311 seventy five-355 7765
EL94WDA 580-730 9.8-forty nine 263-373 sixty four-353 75-four hundred 8130
EL95WDA 490-580 nine.8-fifty eight.8 308-434 81.4-414 90-450 11500
EL96WDA 580 fifty eight.8 381 497 560 11500
E397WN 1000-1650 40 5-nine      
E408WN 870-1650 forty ten-22      
E517WN 980-1580 forty 20-30      
E520WN 930-1550 40 24-45      
E607WN 750-1250 40 45-seventy six      
E610WN 750-1250 forty seventy five-130      

Spare areas and construction of our roots blower:

Package deal of our Roots Blower

Pack into iron case, two layer,blower human body and motor in reduce layer, inlet/out silencer and so on in higher layer

Roots blower pack strategy very same as iron circumstance, just adjust to Fumigation Totally free Plywood Case

Our manufacturing facility is a professional maker of Roots blowers which has more than twenty years’ experience in equipment
production. It is located in Xihu (West Lake) Dis. East Industrial Park, 50 kilometers to the east of Shan EPT provincial
capital— HangZhou. Our organization also has handy targeted traffic transportation, as it is 15 kilometers away from
Diaozhen Town station of HangZhou-HangZhou expressway, and thirty kilometers absent from East HangZhou station of
ZheJiang -ZheJiang expressway.The major solution of our company is ESR -variety Roots Blower. The roots
vacuum pump is a new sort of substantial-performance roots blower, which is developed independently based mostly on the
domestic and foreign superior technologies. Several patented technologies have been adopted on Roots
Blower, and therefore we have produced substantial results in energy conservation and noise reduction, and so forth.. So much, our
organization has invested far more than 30,000,000 RMB to introduce this sort of innovative professional tools as
horizontal machining center, vertical machining heart, two-way CNC surface area planer, CNC lathe, CNC milling
machine, CNC planer, plane grinder, cylindrical grinding device, and three coordinates tests machine.
Besides, we have taken different actions to standardize the approach movement this sort of as operating and cooperating
with several scientific research units, schools and universities at house and abroad. We also repeatedly try to
take up and boost the domestic superior manufacturing systems, so as to market the upgrading and
optimization of the solution and make the item top quality get to the superior level at residence and abroad.
ESR -kind Roots Blower includes many collection this sort of as A few-leaves Sort, Two-leaves Type and Centrifugal
Kind,which can be additional divided to hundreds of kinds. The items are commonly used in sewage treatment,
pneumatic conveying,vacuum packaging, aquaculture, foods processing, EPT electrical power, petrochemical, cement,
mining and other industries. Our merchandise have this sort of rewards as lower noise, strength preserving, steady high quality,
and extended service lifestyle, and so on.. With the sales outlets throughout the domestic capital metropolitan areas, our merchandise market well all
more than the region, and have been exported to North America,Russia, Malaysia, Indonesia, Vietnam, South Africa
and some other nations. Obtaining obtained the ISO9001 International Good quality Method Certification, we have
set up and improved the high quality assurance of the goods developing, production, and set up.
From the procedure of layout, investigation and development to the finished goods, we have received the total
process managed independently, thus supplying the total foundation and reliability ensure for the items steadiness
and longevity. Having a perfect revenue community and after-income support, we offer our buyers with greater-
quality and more productive support.All staff of our company sincerely welcome the wide masses of friends to
manual, and negotiate company with us.

Our Roots Blower Workshop

         Doosn Horzitonal Machine Centre

The Application of the Roots Blower

Upkeep and inspection
(1) Check out all fasteners and locating pins circumstances whether they are loosening.
(two) Usually examine whether or not the leakage phenomenon of the entire body.
(3) Spend focus to lubrication, sum of grease and noises when operating,
figure out whether or not it works underneath the necessary circumstances.
(four) Lubricant & grease: The lubricant is for medium load industrial equipment oil
(quality 220, kinematic viscosity of 198 ~ 242mm2 / s 40ºC, flash stage ≥ 200ºC)
The grease is butter (synthetic lithium grease penetration 220-250, fall stage ≥
190ºC). Change the lubricant and grease following first 200 hrs operating, and replace
once more after a moth operating. Later on, exchange the lubricant and grease in accordance to the
setting and lubricant (grease) top quality propose a ideal EPT for a few
(five) Usually check out the inlet air filter, thoroughly clean or exchange the filter in time.
(6) Blower overload at times not immediately displayed, so spend consideration to
the intake and exhaust stress, bearing temperature and the existing boost traits
of motor to establish whether or not the blower functions normally
(7) Before disassembling the blower, the assembling relation and dimensions
need to be recorded or calculated, make marks on parts to guarantee the first
specifications right after assembling.
(eight) When recently equipment or overhaul, the oil tank ought to be cleaned prior to use
and propose change all grease right after 8 hours managing.

Typical failure cause and troubleshooting

No Failure Achievable motives Elimination techniques
one Friction
between the
(one) Impurities on the impeller,
resulting in the hole is too little
(two) Gear use, resulting in a
huge backlash
(three) The equipment is not effectively mounted,
can not keep the impeller
(4) Bearing put on ensuing in
clearance rising.
(one) Get rid of dust and check
whether there is hurt parts
(two) Adjust the gear gap, substitute
the gears if the gear backlash is
higher than the typical 30% to
(3)Re-assemble the gears, hold
the taper get in touch with location is to 75%
(4)Replace the bearing
2 Collision
impeller and
wall, the
impeller top
and casing
(one) Set up hole is not correct
(two) working stress is also
large, exceeding the specified
(three) Working temperature is also large
(4) Casing or base deformation,
positioning enthusiast failure
(5) Bearing axial spot is not excellent
(one) Alter the gap
(2) Determine causes of
overloading, reduced the stress
to the specified value
(3) Examine the set up
accuracy and lessen the pipe
(four) Examine and fix bearings,
and to guarantee the clearance
3 Temperature
as well substantial
(1) Oil in tank is too a lot, way too
thick or too dirty
(two) Filter or silencer is blocked
(three)The stress is increased than
the specified benefit
(4)Abnormal wear of the
impeller, huge hole
(five)Poor ventilation, indoor
temperature is substantial, ensuing in
inlet air’s large temperature
(6) The rotating pace is way too reduced,result in the belt slipping.
(one)Lessen the oil stage or rely on
(2)Take away of blocking objects
(3)Reducing the pressure via
the blower
(4)Repair its clearance
(five)Open up vents to decrease room
(six) Improve pace to stop the
belt slipping.
4 Inadequate
(one) The inlet filter is blocked
(2) Impeller dress in and the hole
boosts way too much
(three) Belt slipping
(4) Massive imports stress decline
(5) Pipeline ventilation leakage
(1) Clear the filter dust and
(two) Fix the hole
(3)Tighten the belt and improve
the number of belts
(4)Adjust the inlet stress to the
specified price
(five) Verify and mend the pipeline
five Oil leaking or
oil leaking
into the enclosure
(one)Substantial tank place result in
leakage from the discharge port
(two) Seal wear, resulting in shaft oil spills
(3) The pressure is increased than
the specified benefit

(one)Lessen the oil amount
(two)Replace the seals
(three)Clear the air vents, 2mm diameter faucet is set in the
middle chamber, open up the faucet
beneath the wall
six Abnormal
vibration and
(one)Bearing clearance exceeds the
specified benefit or bearing dress in
(2) The equipment backlash is too
large, not in a restricted set
(three) The international objects and dust
caused by the impeller and the
impeller, the impeller and the
housing collision
(four) the impeller shaft
deformation triggered the collision
brought on by overload,
(5) Friction in between the impeller
and the inlet housing triggered by
(6) Unbalance of the impeller
brought on by fouling or international
(seven) Anchor bolts or other
fasteners are loosened
(one)Exchange bearings or bearing
(two)Reassemble gear and ensure
(3)Cleaning blower, examine the
case is damaged
(4)Check out the back pressure, verify
the wheel and adjust hole
(five)Check the filter and back
pressure, increase the hole
between the impeller inlet and the
(6)Clear the impeller and the
casing, to guarantee that the impeller
clearance operate
(seven) Tighten the anchor bolts and
leveling the base.
7 Motor
(one)When compared with the essential
pressure, the force difference
is massive that the back again strain or
the inlet force is high
(2) In contrast with the
equipment demands, blower
movement is way too massive, so its strain
(3)Inlet filter is blocked, or outlet
pipe is obstructed or blocked
(four) Collusion or friction (trapped)
rotating components
(5) The oil degree is as well large
(6) Narrow V-belt is overheat,
vibration is way too big, or pulley
is also small
(one) Minimize the force to the
specified price
(two) Exhaust the excess gas into
the atmosphere or lessen the
blower velocity
(three) Take away the obstructions
(four)Immediately shut down, check
the reason
(five) Alter the oil to the appropriate
(6) Check out the belt stress, and
replaced it with large diameter

Our Services

one. Pre market service                                                                              two. Soon after promote service                                          
a. recommend the ideal model                                             c. on the web complex assistance,                                                                                   
b. factory tour                                                                              d. total existence spare components and techinical support


12 months gurantee for our roots blowers

/ The use of unique equipment manufacturer’s (OEM) portion numbers or emblems , e.g. CASE® and John Deere® are for reference reasons only and for indicating product use and compatibility. Our organization and the shown EPT parts contained herein are not sponsored, accepted, or produced by the OEM. /

Roots  China  in   Ujja in India   gear type coupling  near me  Blower  in   Naberezhnye Tchelny Russian Federation   flender gear coupling  supplier  Spare Parts Flexible Joint  with top quality lowest price

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