Two China in Sakarya Turkey nylicon factory Stage in Samarkand Uzbekistan gearflex coupling factory High Pressure Roots Blower with top quality lowest price

Two  China  in   Sakarya Turkey   nylicon  factory  Stage  in   Samarkand Uzbekistan   gearflex coupling  factory  High Pressure Roots Blower  with top quality lowest price

We – EPG Group the biggest couplings and gears manufacturing unit in China with five diverse branches. For much more details: Cell/whatsapp/telegram/Kakao us at: 0086-13083988828 /

We make all sorts of roots blower, centrifugal blower, Our Principal goods are as under:

Type Diameter Fee of circulation Stress
ESR-MJ(Intense Variety) Φ50~Φ300mm .5~140m³/min nine.8KPa~ninety eight.8Kpa
ESR(Regular Variety) Φ50~Φ350mm .five~140m³/min 9.8KPa~seventy eight.4Kpa
ESR-H(Large-strain 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 9.8KPa~98Kpa
ERR-ERG Kind Φ250~Φ500mm one hundred twenty~420m³/min nine.8KPa~98.8Kpa

The operating basic principle 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. By means of the action of a pair of
synchronous gears, the two rotors rotate in reverse instructions 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
function of blowing.

Function of our roots blower:
one. Large adjustment of the air volume
two. Lower Sounds
3. Higher efficiency
4. Low vitality cosumption
5. Lengthy time lifestyle
six. Reliable managing, straightforward maintenance,modest footprint

The parameters of our roots blower:

Variety Ratary Velocity
Force Increase
Shaft Energy
Motor Unit Maximn
Excess weight(Kg)
ESR-50 1100-2120 nine.8-58.8 .65-two.fifty eight .three-three.fifty four .seventy five-4 128-158
ESR-65 1100-2130 nine.eight-58.8 .94-three.66 .38-4.46 .75-five.five one hundred fifty five-185
ESR-80 1140-1900 nine.eight-58.eight two.34-5.43 one.04-seven.forty two two.2-11 155-277
ESR-a hundred 1060-1980 nine.eight-fifty eight.8 4.fifty seven-nine.05 one.35-twelve.15 three-fifteen 309-377
ESR-one hundred twenty five 980-1850 nine.eight-58.8 5.35-12.four 1.65-five.19 five.five-18.five 408-451
ESR-125C 970-1830 9.eight-fifty eight.8 7.five-seventeen.fifty seven 3.2-18.5 4-22 408-451
ESR-150 810-1730 9.eight-fifty eight.eight 10.37-27.fifteen 3.eighty four-forty.82 seven.five-forty five 688-848
ESR-a hundred seventy five 970-1520 nine.eight-58.eight 19.65-36.sixty five 7.two-forty five.95 eleven-55 980-1080
ESR-200B 740-1450 9.eight-fifty eight.8 19.sixty five-forty four.eight 10.15-60.44 fifteen-seventy five 1272-1546
ESR-200 810-1480 9.8-fifty eight.eight 27.65-fifty nine.2 eight.05-eighty,twelve fifteen-ninety 1272-1546
ESR-250B 1100-1480 nine.8-fifty eight.eight 54.seventy seven-seventy seven.fifty five 19.ninety seven-ninety.ninety seven thirty-a hundred and ten 1490-2454
ESR-250 990-1480 9.8-58.eight sixty one.4-97.fifty two twenty.1-117.three thirty-132 1490-2454
ESR-three hundred 990-1480 nine.eight-58.eight 26.four-167.eight 37-185 3326-3446
ESR-350 730-1480 9.eight-fifty eight.8 78.forty one-177.31   fifty five-250  
ESR-50H 1230-2120 sixty three.7-98 .45-2.02 2.05-six.12 3-seven.five one hundred sixty–one hundred seventy
ESR-65H 1240-2130 eight .78-2.fifty three 2.89-seven.fifty five 4-eleven 198-230
ESR-80H 1140-1900 sixty eight 1.82-4.fifty five five.five-15 316-326
ESR-100H 1060-1980 63.7-98 two.65-eight.06 six.36-seventeen.two seven.5-22 398-459
ESR-125H 980-1850 sixty eight four.64-eleven.23 8.92-24.two 11-thirty 544-630
ESR-150H 810-1730 63.7-ninety eight nine.53-25.76 seventeen.sixteen-65 18.five-75 752-1571
ESR-200H 810-1480 63.7-ninety eight twenty five.34-56.ninety two 42.34-one hundred twenty fifty five-132 1426-1934
ESR-250H 990-1480 58-ninety three.7 83.2-205 ninety-220 2980-3468
ESR300H 990-1480 eight 86.9-134.1 114.7-270 132-280 3476-3998
ERF-245 650-980 9.eight-ninety eight 47.5-97.4 16-183 eighteen.five-200 3630-3690
ERF-250 650-980 9.8-98 61.six-a hundred and twenty.4 19-227 22-250 4450-4500
ERF-290 650-980 nine.eight-78.4 92.three-128 22-213 thirty-250 4890-4710
ERF-295 650-980 9.8-78.four ninety seven.three-152.five 23-227 30-250 4890-4880
ERF-297 650-980 nine.8-78.four 87.5-167.six 26-249 30-280 5330-5520
ERF-300 650-980 nine.8-seventy eight.four 101.5-188.7 29-278 37-315 5330-5520
ERF-350 650-980 nine.8-seventy eight.4 126-224.9 34-249 45-280 5210-6470
ERG-three hundred 590-730 9.8-ninety eight 128.3-196 38-362 forty five-four hundred 9440-15710
ERG-350 590-730 9.8-ninety eight 159.three-231.six 43-420 fifty five-450 9700-1571
ERG-four hundred 590-730 9.eight-83.3 52-449 75-500 10090-11390
ERG-445 590-730 9.eight-seventy three.5 58-477 75-560 10600-12230
ERG-450 590-730 9.8-73.5 262.4-366.two sixty four-496 seventy five-560 10600-12230
ERG-500 590-730 nine.8-sixty 327.four-452.four seventy eight-529 90-560 12790-14620
ERF-240-V 650-980 -nine.eight- -forty nine 13-seventy six 18.five-ninety 3420-3285
ERF-245-V 650-980 -nine.8- -forty nine forty seven.5-ninety seven.4 sixteen-ninety five 22-one hundred ten 3425-3360
ERF-250-V 650-980 -9.eight- -49 sixty three-one hundred twenty 19-117 22-132 3910-3830
ERF-290-V 650-980 -9.eight- -49 72.6-a hundred and forty four 22-136 thirty-a hundred and sixty 4415-4270
ERF-295-V 650-980 -9.eight- -49 seventy six.6-152 23-a hundred forty five thirty-one hundred sixty 4425-4485
ERF-297-V 650-980 -9.eight- -forty nine 84.3-166.eight 26-160 thirty-a hundred and eighty 5000-4980
ERF-300-V 650-980 -9.eight- -49 97-192 29-178 37-two hundred 5000-4980
ERF-350-V 650-980 -9.eight- -forty nine 116-225 34-209 forty five-250 5400-5700
ERG-300V 590-730 -nine.8- -49 133-193 38-184 45-220 7800-9100
ERG-350V 590-730 -nine.8- -49 163-231 43-216 55-250 9500-9470
ERG-400V 590-730 -9.8- -49 199-290 fifty two-269 seventy five-315 9900-10130
ERG-445V 590-730 -9.eight- -49 224.eight-326.9 fifty eight-303 75-355 9900-10130
ERG-450V 590-730 -9.eight- -forty nine 255-365 64-335 75-four hundred 11230-11300
ERG-500V 590-730 -9.eight- -forty nine 314-452 78-412 132-450 13630-13850
ERF-245W 650-980 -13.three- -53.3 fifty three.5-one hundred and one 21.five-102 30-a hundred and ten 3630-3360
ERF-250W 650-980 -thirteen.3- -53.3 69-127 26.5-127 30-160 3985-4115
ERF-290W 650-980 -13.three- -53.3 82.6-one hundred 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 -thirteen.3- -53.three 95-174 36-174 45-200 5230-5130
ERF-300W 650-980 -thirteen.3- -fifty three.three 109-195 40-193 55-220 5230-5130
ERF-350W 650-980 -13.three- -fifty three.3 129-230 50-230 75-250 5840-5670
ERG-300W 590-730 -13.3- -53.three 142-197 fifty two-201 seventy five-220 9100-9000
ERF-350W 590-730 -13.3- -fifty three.three 168-234.four fifty nine-235.five 75-280 9500-9600
ERG-400W 590-730 -13.3- -fifty three.3 220-276.six 71-292 90-315 9900-10130
ERG-445W 590-730 -13.3- -fifty three.three 244-294.six eighty two-331 ninety-400 11230-11300
ERG450W 590-730 -13.3- -fifty three.three 275-368.five 91-366 one hundred ten-four hundred 11230-11300
650-980 98-196 sixty four.8-112 one hundred thirty five-355 one hundred sixty-four hundred 8700-8600
650-980 ninety eight-196 80.8-139 167-439 185-500 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
590-740 98-176.4 205-273 380-773 450-900 21350-24200
590-740 ninety eight-176.4 263-428 476-955 560-1000 24200-27600
650-980 -53.three–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 one hundred ten-220 7000-6400
650-980 -fifty three.three–eighty 116-189 115-220 132-250 7750-7760
EL81WD 580-980 9.eight-58.eight 54.two-a hundred thirty eighteen-151 forty five-185 3595
EL82WDB 580-980 nine.eight-fifty eight.8 72.8-161 22-191 45-220 3860
EL83WDA 580-980 nine.eight-58.9 a hundred and one-213 28.5-202 45-220 4300
EL84WDA 580-980 9.8-58.8 129-267 35.four-252 45-280 4720
EL93WDA 580-730 9.8-49 230-329 fifty six.four-311 seventy five-355 7765
EL94WDA 580-730 nine.eight-49 263-373 64-353 seventy five-four hundred 8130
EL95WDA 490-580 nine.eight-58.eight 308-434 eighty one.four-414 90-450 11500
EL96WDA 580 fifty eight.eight 381 497 560 11500
E397WN a thousand-1650 forty 5-9      
E408WN 870-1650 forty ten-22      
E517WN 980-1580 40 twenty-thirty      
E520WN 930-1550 40 24-45      
E607WN 750-1250 forty forty five-seventy six      
E610WN 750-1250 40 seventy five-one hundred thirty      

Spare components and construction of our roots blower:

Bundle of our Roots Blower

Pack into iron circumstance, two layer,blower body and motor in reduced layer, inlet/out silencer etc in higher layer

Roots blower pack technique exact same as iron case, just alter to Fumigation Totally free Plywood Circumstance

Our manufacturing facility is a professional manufacturer of Roots blowers which has more than 20 years’ experience in machinery
production. It is positioned in Xihu (West Lake) Dis. East Industrial Park, 50 kilometers to the east of Shan EPT provincial
capital— HangZhou. Our business also has handy site visitors transportation, as it is fifteen kilometers absent from
Diaozhen Town station of HangZhou-HangZhou expressway, and thirty kilometers absent from East HangZhou station of
ZheJiang -ZheJiang expressway.The major product of our company is ESR -kind Roots Blower. The roots
vacuum pump is a new variety of large-efficiency roots blower, which is produced independently based on the
domestic and overseas advanced systems. Many patented technologies have been adopted on Roots
Blower, and hence we have produced important effects in strength conservation and noise reduction, and so on.. So far, our
organization has invested more than thirty,000,000 RMB to introduce this sort of superior expert equipment as
horizontal machining center, vertical machining centre, two-way CNC surface area planer, CNC lathe, CNC milling
equipment, CNC planer, aircraft grinder, cylindrical grinding machine, and 3 coordinates screening machine.
Besides, we have taken various actions to standardize the procedure stream these kinds of as working and cooperating
with a lot of scientific research units, colleges and universities at residence and abroad. We also continuously consider to
take up and increase the domestic sophisticated manufacturing technologies, so as to advertise the upgrading and
optimization of the solution and make the merchandise top quality reach the superior degree at property and overseas.
ESR -variety Roots Blower involves numerous sequence such as Three-leaves Variety, Two-leaves Type and Centrifugal
Variety,which can be even more divided to hundreds of versions. The merchandise are broadly employed in sewage treatment method,
pneumatic conveying,vacuum packaging, aquaculture, foodstuff processing, EPT electrical power, petrochemical, cement,
mining and other industries. Our merchandise have such positive aspects as lower noise, power preserving, secure quality,
and prolonged services existence, and so forth.. With the revenue outlets throughout the domestic money towns, our items promote well all
above the country, and have been exported to North The usa,Russia, Malaysia, Indonesia, Vietnam, South Africa
and some other countries. Getting obtained the ISO9001 Intercontinental High quality Program Certification, we have
established and improved the top quality assurance of the merchandise developing, manufacturing, and set up.
From the method of layout, study and development to the finished merchandise, we have got the entire
process controlled independently, as a result delivering the full foundation and reliability promise for the goods stability
and durability. Getting a perfect income network and right after-sales support, we offer our customers with greater-
high quality and more effective provider.All personnel of our organization sincerely welcome the wide masses of pals to
guidebook, and negotiate business with us.

Our Roots Blower Workshop

         Doosn Horzitonal Equipment Center

The Application of the Roots Blower

Upkeep and inspection
(1) Verify all fasteners and finding pins circumstances whether or not they are loosening.
(two) Usually verify regardless of whether the leakage phenomenon of the body.
(3) Pay focus to lubrication, quantity of grease and noises when operating,
decide whether or not it performs beneath the necessary situations.
(four) Lubricant & grease: The lubricant is for medium load industrial gear oil
(quality 220, kinematic viscosity of 198 ~ 242mm2 / s 40ºC, flash stage ≥ 200ºC)
The grease is butter (synthetic lithium grease penetration 220-250, drop stage ≥
190ºC). Substitute the lubricant and grease after very first 200 hours working, and substitute
once more following a moth working. Afterwards, substitute the lubricant and grease according to the
setting and lubricant (grease) high quality suggest a suited EPT for three
(5) Often check out the inlet air filter, cleanse or substitute the filter in time.
(six) Blower overload occasionally not immediately exhibited, so spend consideration to
the consumption and exhaust force, bearing temperature and the existing increase trends
of motor to determine no matter whether the blower performs typically
(seven) Prior to disassembling the blower, the assembling relation and dimensions
should be recorded or measured, make marks on parts to make certain the first
requirements after assembling.
(eight) When freshly machine or overhaul, the oil tank should be cleaned just before use
and propose substitute all grease following eight hours running.

Typical failure reason and troubleshooting

No Failure Possible motives Elimination techniques
1 Friction
among the
(1) Impurities on the impeller,
ensuing in the hole is too little
(two) Equipment dress in, ensuing in a
massive backlash
(three) The equipment is not nicely fixed,
can not preserve the impeller
(4) Bearing dress in ensuing in
clearance escalating.
(1) Take away dust and check out
no matter whether there is harm areas
(two) Adjust the equipment gap, substitute
the gears if the equipment backlash is
increased than the regular 30% to
(three)Re-assemble the gears, preserve
the taper contact region is to 75%
(4)Replace the bearing
2 Collision
impeller and
wall, the
impeller leading
and casing
(1) Installation hole is not right
(two) operating force is too
high, exceeding the specified
(3) Running temperature is too high
(4) Casing or foundation deformation,
positioning enthusiast failure
(5) Bearing axial spot is not great
(1) Alter the gap
(2) Discover brings about of
overloading, lowered the strain
to the specified worth
(three) Verify the installation
precision and lessen the pipe
(4) Examine and mend bearings,
and to make certain the clearance
3 Temperature
too substantial
(one) Oil in tank is way too considerably, too
thick or way too filthy
(two) Filter or silencer is blocked
(3)The force is higher than
the specified price
(4)Excessive use of the
impeller, huge gap
(five)Very poor ventilation, indoor
temperature is higher, ensuing in
inlet air’s large temperature
(six) The rotating speed is way too minimal,outcome in the belt slipping.
(1)Reduce the oil stage or rely on
(2)Take away of blocking objects
(3)Minimizing the pressure via
the blower
(4)Restore its clearance
(5)Open vents to lessen place
(6) Enhance speed to avert the
belt slipping.
4 Inadequate
(one) The inlet filter is blocked
(two) Impeller use and the hole
boosts also significantly
(3) Belt slipping
(4) Big imports stress loss
(five) Pipeline air flow leakage
(1) Cleanse the filter dust and
(2) Restore the hole
(three)Tighten the belt and increase
the quantity of belts
(four)Alter the inlet force to the
specified price
(5) Check out and fix the pipeline
5 Oil leaking or
oil leaking
into the enclosure
(one)Large tank position trigger
leakage from the discharge port
(2) Seal use, ensuing in shaft oil spills
(three) The pressure is greater than
the specified price

(1)Lessen the oil stage
(two)Exchange the seals
(3)Very clear the air vents, 2mm diameter faucet is fastened in the
center chamber, open the faucet
underneath the wall
six Abnormal
vibration and
(1)Bearing clearance exceeds the
specified worth or bearing put on
(2) The equipment backlash is way too
massive, not in a limited set
(three) The overseas objects and dust
caused by the impeller and the
impeller, the impeller and the
housing collision
(four) the impeller shaft
deformation triggered the collision
caused by overload,
(five) Friction between the impeller
and the inlet housing induced by
(six) Unbalance of the impeller
brought on by fouling or overseas
entire body
(seven) Anchor bolts or other
fasteners are loosened
(one)Replace bearings or bearing
(2)Reassemble equipment and guarantee
(3)Cleaning blower, examine the
circumstance is destroyed
(4)Verify the back again stress, verify
the wheel and adjust gap
(five)Verify the filter and back
pressure, boost the hole
in between the impeller inlet and the
(six)Thoroughly clean the impeller and the
casing, to ensure that the impeller
clearance perform
(7) Tighten the anchor bolts and
leveling the foundation.
7 Motor
(1)When compared with the necessary
strain, the stress big difference
is big that the back force or
the inlet stress is large
(two) When compared with the
equipment needs, blower
stream is too big, so its pressure
(3)Inlet filter is blocked, or outlet
pipe is obstructed or blocked
(4) Collusion or friction (trapped)
rotating parts
(five) The oil stage is too large
(6) Narrow V-belt is overheat,
vibration is way too massive, or pulley
is also small
(1) Minimize the force to the
specified price
(two) Exhaust the extra gas into
the ambiance or reduce the
blower speed
(three) Eliminate the obstructions
(4)Right away shut down, verify
the reason
(5) Change the oil to the proper
(6) Verify the belt stress, and
changed it with large diameter

Our Support

1. Pre promote service                                                                              2. After market service                                          
a. advocate the appropriate model                                             c. on the web technical assistance,                                                                                   
b. factory tour                                                                              d. total lifestyle spare components and techinical help


12 months gurantee for our roots blowers

/ The use of unique equipment manufacturer’s (OEM) part numbers or emblems , e.g. CASE® and John Deere® are for reference needs only and for indicating merchandise use and compatibility. Our firm and the outlined EPT elements contained herein are not sponsored, accredited, or made by the OEM. /

Two  China  in   Sakarya Turkey   nylicon  factory  Stage  in   Samarkand Uzbekistan   gearflex coupling  factory  High Pressure Roots Blower  with top quality lowest price

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