Mvr China in Porto Velho Brazil face gear coupling manufacturer Roots in Haifa Israel gear grip flexible shaft couplings sales Type Steam Compressor with SS304 with top quality lowest price

Mvr  China  in   Porto Velho Brazil   face gear coupling  manufacturer  Roots  in   Haifa Israel   gear grip flexible shaft couplings sales  Type Steam Compressor with SS304 with top quality lowest price

We – EPG Team the largest couplings and gears manufacturing facility in China with 5 distinct branches. For a lot more specifics: Cellular/whatsapp/telegram/Kakao us at: 0086-13083988828 /

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

Variety Diameter Fee of movement Pressure
ESR-MJ(Intensive Type) Φ50~Φ300mm .five~140m³/min nine.8KPa~98.8Kpa
ESR(Normal Sort) Φ50~Φ350mm .5~140m³/min nine.8KPa~seventy eight.4Kpa
ESR-H(Higher-strain Sort) Φ50~Φ350mm .seven~160m³/min 58.8KPa~98.8Kpa
ESR-V(Vacuum Pump) Φ50~Φ350mm .five~160m³/min 9.8KPa~fifty three.3Kpa
EL Sequence Φ200~Φ600mm twenty.3~750m³/min nine.8KPa~58.8Kpa
Multistage Centrifugal Blower
or C-Series
Φ250~Φ500mm fifty~500m³/min 9.8KPa~98Kpa
ERR-ERG Sort Φ250~Φ500mm a hundred and twenty~420m³/min 9.8KPa~98.8Kpa

The operating basic principle of the a few-blade roots blower: two 3-lobed rotors are organized in the cavity, and the
suction port and the discharge port are opened on each sides of the cavity. By means of the action of a pair of
synchronous gears, 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 gasoline in the chamber is pushed to attain the
function of blowing.

Characteristic of our roots blower:
one. Huge adjustment of the air quantity
2. Lower Noise
three. Large effectiveness
four. Low strength cosumption
five. Lengthy time daily life
six. Reliable managing, effortless upkeep,tiny footprint

The parameters of our roots blower:

Variety Ratary Speed
Force Increase
Shaft Energy
Motor Unit Maximn
ESR-50 1100-2120 nine.8-58.8 .sixty five-two.fifty eight .3-3.fifty four .75-4 128-158
ESR-sixty five 1100-2130 nine.8-fifty eight.eight .94-3.sixty six .38-four.forty six .seventy five-5.five a hundred and fifty five-185
ESR-80 1140-1900 9.8-58.eight 2.34-five.forty three 1.04-7.forty two 2.two-11 155-277
ESR-one hundred 1060-1980 9.8-fifty eight.8 four.fifty seven-9.05 1.35-twelve.fifteen three-fifteen 309-377
ESR-125 980-1850 9.8-fifty eight.eight 5.35-12.four 1.65-5.19 five.five-18.5 408-451
ESR-125C 970-1830 nine.8-58.8 7.5-17.fifty seven three.two-18.five four-22 408-451
ESR-150 810-1730 9.8-58.8 10.37-27.15 3.eighty four-forty.82 7.five-forty five 688-848
ESR-175 970-1520 9.eight-58.8 19.sixty five-36.65 seven.2-45.ninety five eleven-55 980-1080
ESR-200B 740-1450 9.8-fifty eight.8 19.65-44.8 ten.15-60.forty four 15-seventy five 1272-1546
ESR-two hundred 810-1480 nine.8-58.eight 27.sixty five-fifty nine.two 8.05-eighty,12 fifteen-90 1272-1546
ESR-250B 1100-1480 9.eight-58.eight fifty four.77-seventy seven.55 19.97-90.97 30-110 1490-2454
ESR-250 990-1480 9.8-58.8 sixty one.4-97.52 thirty-132 1490-2454
ESR-300 990-1480 nine.8-fifty eight.8 87.1-138.1 26.four-167.eight 37-185 3326-3446
ESR-350 730-1480 9.eight-58.8 78.41-177.31   55-250  
ESR-50H 1230-2120 sixty eight .45-two.02 two.05-6.12 3-seven.five one hundred sixty–170
ESR-65H 1240-2130 .seventy eight-2.53 two.89-seven.55 4-11 198-230
ESR-80H 1140-1900 63.7-98 one.eighty two-four.55 five.5-15 316-326
ESR-100H 1060-1980 sixty eight two.65-8.06 six.36-17.two 7.5-22 398-459
ESR-125H 980-1850 sixty three.7-ninety eight 4.sixty four-eleven.23 eight.92-24.two 11-thirty 544-630
ESR-150H 810-1730 sixty three.7-98 9.53-twenty five.seventy six seventeen.16-65 eighteen.five-75 752-1571
ESR-200H 810-1480 eight twenty five.34-fifty six.ninety two 42.34-one hundred twenty fifty five-132 1426-1934
ESR-250H 990-1480 sixty 58-93.7 eighty three.2-205 ninety-220 2980-3468
ESR300H 990-1480 sixty eight 86.9-134.1 132-280 3476-3998
ERF-245 650-980 9.eight-98 47.5-ninety seven.four 16-183 eighteen.5-two hundred 3630-3690
ERF-250 650-980 nine.8-ninety eight 61.six-a hundred and twenty.4 19-227 22-250 4450-4500
ERF-290 650-980 nine.8-seventy eight.four ninety two.three-128 22-213 thirty-250 4890-4710
ERF-295 650-980 9.8-78.four ninety seven.3-152.5 23-227 30-250 4890-4880
ERF-297 650-980 nine.eight-seventy eight.4 87.five-167.six 26-249 thirty-280 5330-5520
ERF-three hundred 650-980 9.8-78.4 one hundred and one.5-188.7 29-278 37-315 5330-5520
ERF-350 650-980 nine.8-seventy eight.four 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-400 9440-15710
ERG-350 590-730 9.8-98 159.three-231.6 forty three-420 fifty five-450 9700-1571
ERG-400 590-730 nine.eight-eighty three.3 203.1-290.9 52-449 75-five hundred 10090-11390
ERG-445 590-730 nine.8-73.5 fifty eight-477 seventy five-560 10600-12230
ERG-450 590-730 nine.8-73.five 262.4-366.2 64-496 seventy five-560 10600-12230
ERG-five hundred 590-730 9.8-sixty three.7 327.4-452.4 seventy eight-529 ninety-560 12790-14620
ERF-240-V 650-980 -nine.eight- -49 38.1-78 13-76 eighteen.5-ninety 3420-3285
ERF-245-V 650-980 -nine.eight- -forty nine 47.five-97.4 sixteen-ninety five 22-one hundred ten 3425-3360
ERF-250-V 650-980 -9.8- -49 63-a hundred and twenty 19-117 22-132 3910-3830
ERF-290-V 650-980 -nine.eight- -49 72.six-144 22-136 30-one hundred sixty 4415-4270
ERF-295-V 650-980 -9.eight- -49 76.six-152 23-145 thirty-160 4425-4485
ERF-297-V 650-980 -9.8- -49 84.3-166.eight 26-a hundred and sixty thirty-a hundred and eighty 5000-4980
ERF-300-V 650-980 -nine.8- -forty nine ninety seven-192 29-178 37-two hundred 5000-4980
ERF-350-V 650-980 -nine.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- -forty nine 163-231 forty three-216 55-250 9500-9470
ERG-400V 590-730 -9.8- -forty nine 199-290 52-269 seventy five-315 9900-10130
ERG-445V 590-730 -9.eight- -forty nine 224.8-326.nine fifty eight-303 seventy five-355 9900-10130
ERG-450V 590-730 -nine.8- -forty nine 255-365 sixty four-335 seventy five-four hundred 11230-11300
ERG-500V 590-730 -nine.8- -forty nine 314-452 seventy eight-412 132-450 13630-13850
ERF-245W 650-980 -13.3- -fifty three.3 53.5-one hundred and one 21.5-102 30-110 3630-3360
ERF-250W 650-980 -thirteen.three- -fifty three.3 sixty nine-127 26.five-127 thirty-160 3985-4115
ERF-290W 650-980 -13.3- -fifty three.3 eighty two.six-one hundred fifty thirty.5-149 37-185 4340-4580
ERF-295W 650-980 -thirteen.three- -fifty three.3 87-158 32-158 37-185 4440-4580
ERF-297W 650-980 -13.3- -fifty three.three ninety five-174 36-174 45-two hundred 5230-5130
ERF-300W 650-980 -thirteen.3- -fifty three.3 109-195 40-193 55-220 5230-5130
ERF-350W 650-980 -13.3- -53.three 129-230 50-230 75-250 5840-5670
ERG-300W 590-730 -thirteen.three- -fifty three.three 142-197 52-201 75-220 9100-9000
ERF-350W 590-730 -thirteen.three- -53.3 168-234.4 fifty nine-235.5 seventy five-280 9500-9600
ERG-400W 590-730 -thirteen.three- -fifty three.three 220-276.6 71-292 90-315 9900-10130
ERG-445W 590-730 -13.3- -53.three 244-294.six 82-331 90-four hundred 11230-11300
ERG450W 590-730 -13.3- -fifty three.3 275-368.five 91-366 a hundred and ten-four hundred 11230-11300
650-980 ninety eight-196 sixty four.eight-112 a hundred thirty five-355 160-400 8700-8600
650-980 98-196 80.eight-139 167-439 185-five hundred 9200-9100
650-980 98-176.4 102-174 206-497 250-560 10320-10500
650-980 ninety eight-137.2 124-207 241-473 280-560 10700-11110
ETRG-four hundred
(three hundred,400)
590-740 98-176.4 205-273 380-773 450-900 21350-24200
590-740 ninety eight-176.four 263-428 476-955 560-one thousand 24200-27600
650-980 -53.3–80 72-121 75.6-121 ninety-160 6100-6470
650-980 -fifty three.three–80 ninety three.eight-154 99.five-186 one hundred ten-220 7000-6400
650-980 -fifty three.three–80 116-189 115-220 132-250 7750-7760
EL81WD 580-980 9.8-58.eight 54.2-130 18-151 45-185 3595
EL82WDB 580-980 nine.8-58.eight seventy two.8-161 22-191 forty five-220 3860
EL83WDA 580-980 nine.eight-58.nine a hundred and one-213 28.five-202 45-220 4300
EL84WDA 580-980 9.eight-58.8 129-267 35.four-252 forty five-280 4720
EL93WDA 580-730 9.eight-49 230-329 56.4-311 seventy five-355 7765
EL94WDA 580-730 nine.8-49 263-373 64-353 seventy five-four hundred 8130
EL95WDA 490-580 nine.eight-58.8 308-434 81.four-414 90-450 11500
EL96WDA 580 58.eight 381 497 560 11500
E397WN one thousand-1650 forty 5-nine      
E408WN 870-1650 40 10-22      
E517WN 980-1580 forty 20-thirty      
E520WN 930-1550 40 24-45      
E607WN 750-1250 40 forty five-76      
E610WN 750-1250 40 seventy five-one hundred thirty      

Spare areas and construction of our roots compressor:

Package deal of our Roots Compressor

Pack into iron scenario, two layer,blower entire body and motor in decrease layer, inlet/out silencer etc in upper layer

Roots blower pack technique exact same as iron scenario, just modify to Fumigation Free of charge Plywood Situation

Our manufacturing facility is a expert producer of Roots blowers which has over 20 years’ experience in equipment
production. It is found in Xihu (West Lake) Dis. East Industrial Park, fifty kilometers to the east of Shan EPT provincial
capital— HangZhou. Our business also has practical traffic transportation, as it is fifteen kilometers absent from
Diaozhen City station of HangZhou-HangZhou expressway, and thirty kilometers absent from East HangZhou station of
ZheJiang -ZheJiang expressway.The top item of our organization is ESR -sort Roots Blower. The roots
vacuum pump is a new type of high-effectiveness roots blower, which is developed independently based mostly on the
domestic and overseas advanced technologies. Many patented technologies have been adopted on Roots
Blower, and therefore we have produced significant effects in energy conservation and noise reduction, etc.. So much, our
organization has invested much more than thirty,000,000 RMB to introduce such advanced expert products as
horizontal machining center, vertical machining centre, two-way CNC floor planer, CNC lathe, CNC milling
device, CNC planer, aircraft grinder, cylindrical grinding machine, and a few coordinates testing equipment.
In addition to, we have taken a variety of steps to standardize the procedure circulation this sort of as working and cooperating
with numerous scientific research units, colleges and universities at house and abroad. We also continually try out to
take up and enhance the domestic innovative creation systems, so as to encourage the upgrading and
optimization of the solution and make the merchandise quality attain the advanced stage at home and overseas.
ESR -type Roots Blower includes a number of series such as A few-leaves Type, Two-leaves Kind and Centrifugal
Kind,which can be more divided to hundreds of varieties. The goods are widely utilised in sewage remedy,
pneumatic conveying,vacuum packaging, aquaculture, meals processing, EPT energy, petrochemical, cement,
mining and other industries. Our goods have these kinds of benefits as low noise, power preserving, steady high quality,
and prolonged service daily life, and many others.. With the revenue outlets throughout the domestic capital cities, our merchandise sell properly all
more than the region, and have been exported to North America,Russia, Malaysia, Indonesia, Vietnam, South Africa
and some other international locations. Getting acquired the ISO9001 Global Top quality Technique Certification, we have
established and enhanced the quality assurance of the merchandise developing, producing, and installation.
From the procedure of style, research and development to the completed items, we have got the total
process controlled independently, thus supplying the complete basis and reliability assure for the products steadiness
and durability. Getting a perfect revenue community and soon after-income support, we supply our buyers with greater-
good quality and much more productive provider.All personnel of our organization sincerely welcome the broad masses of friends to
manual, and negotiate business with us.

Our Roots Blower Workshop

         Doosn Horzitonal Equipment Middle

The Software of the Roots Blower

Upkeep and inspection
(1) Check out all fasteners and locating pins problems regardless of whether they are loosening.
(2) Constantly verify no matter whether the leakage phenomenon of the physique.
(three) Shell out interest to lubrication, quantity of grease and noises when managing,
determine whether or not it functions under the required problems.
(4) Lubricant & grease: The lubricant is for medium load industrial equipment oil
(grade 220, kinematic viscosity of 198 ~ 242mm2 / s 40ºC, flash stage ≥ 200ºC)
The grease is butter (synthetic lithium grease penetration 220-250, drop level ≥
190ºC). Change the lubricant and grease after 1st two hundred hrs managing, and substitute
once more soon after a moth working. Later, replace the lubricant and grease in accordance to the
setting and lubricant (grease) quality propose a ideal EPT for 3
(five) Often verify the inlet air filter, thoroughly clean or substitute the filter in time.
(6) Blower overload sometimes not instantly exhibited, so pay out interest to
the ingestion and exhaust stress, bearing temperature and the current improve tendencies
of motor to figure out whether or not the blower works normally
(7) Prior to disassembling the blower, the assembling relation and proportions
need to be recorded or calculated, make marks on factors to make sure the original
requirements soon after assembling.
(eight) When newly machine or overhaul, the oil tank should be cleaned ahead of use
and propose exchange all grease soon after eight hrs working.

Frequent failure purpose and troubleshooting

No Failure Feasible factors Elimination techniques
1 Friction
among the
(one) Impurities on the impeller,
resulting in the hole is too small
(two) Equipment dress in, resulting in a
large backlash
(3) The gear is not nicely fixed,
can not sustain the impeller
(four) Bearing put on ensuing in
clearance rising.
(1) Get rid of grime and examine
regardless of whether there is injury areas
(2) Change the gear hole, substitute
the gears if the equipment backlash is
greater than the common 30% to
(3)Re-assemble the gears, hold
the taper contact region is to seventy five%
(4)Change the bearing
two Collision
in between
impeller and
wall, the
impeller best
and casing
(1) Set up gap is not right
(2) working pressure is as well
large, exceeding the specified
(3) Functioning temperature is too substantial
(four) Casing or foundation deformation,
positioning admirer failure
(5) Bearing axial place is not great
(one) Modify the gap
(two) Discover triggers of
overloading, reduced the pressure
to the specified value
(3) Verify the installation
accuracy and lessen the pipe
(four) Verify and fix bearings,
and to guarantee the clearance
three Temperature
way too high
(one) Oil in tank is also significantly, also
thick or too dirty
(two) Filter or silencer is blocked
(three)The stress is larger than
the specified benefit
(four)Too much wear of the
impeller, big gap
(5)Bad ventilation, indoor
temperature is higher, ensuing in
inlet air’s substantial temperature
(six) The rotating pace is as well lower,result in the belt slipping.
(one)Minimize the oil stage or count on
(2)Remove of blocking objects
(three)Lowering the strain by way of
the blower
(4)Repair its clearance
(five)Open up vents to reduce space
(6) Enhance speed to avoid the
belt slipping.
four Inadequate
(1) The inlet filter is blocked
(2) Impeller use and the hole
boosts way too a lot
(three) Belt slipping
(four) Large imports pressure decline
(5) Pipeline air flow leakage
(one) Cleanse the filter dust and
(two) Restore the hole
(3)Tighten the belt and boost
the variety of belts
(4)Modify the inlet pressure to the
specified price
(five) Check and fix the pipeline
5 Oil leaking or
oil leaking
into the enclosure
(one)High tank placement trigger
leakage from the discharge port
(2) Seal put on, resulting in shaft oil spills
(three) The force is greater than
the specified worth

(one)Decrease the oil degree
(2)Change the seals
(three)Very clear the air vents, 2mm diameter faucet is mounted in the
center chamber, open the faucet
underneath the wall
six Abnormal
vibration and
(one)Bearing clearance exceeds the
specified value or bearing put on
(two) The equipment backlash is as well
large, not in a limited fastened
(3) The foreign objects and dust
caused by the impeller and the
impeller, the impeller and the
housing collision
(4) the impeller shaft
deformation triggered the collision
brought on by overload,
(five) Friction among the impeller
and the inlet housing caused by
(six) Unbalance of the impeller
induced by fouling or international
entire body
(7) Anchor bolts or other
fasteners are loosened
(one)Replace bearings or bearing
(two)Reassemble gear and make sure
(three)Cleaning blower, check the
scenario is ruined
(4)Check the again stress, examine
the wheel and alter hole
(5)Check the filter and again
pressure, improve the gap
among the impeller inlet and the
(6)Thoroughly clean the impeller and the
casing, to make certain that the impeller
clearance operate
(7) Tighten the anchor bolts and
leveling the base.
7 Motor
(one)When compared with the required
stress, the stress big difference
is big that the again stress or
the inlet stress is large
(two) Compared with the
products needs, blower
flow is too large, so its strain
(3)Inlet filter is blocked, or outlet
pipe is obstructed or blocked
(4) Collusion or friction (trapped)
rotating parts
(5) The oil degree is way too high
(6) Narrow V-belt is overheat,
vibration is also massive, or pulley
is as well little
(1) Reduce the strain to the
specified value
(2) Exhaust the excess gasoline into
the environment or decrease the
blower pace
(3) Get rid of the obstructions
(four)Quickly shut down, check out
the purpose
(five) Change the oil to the proper
(6) Check the belt tension, and
replaced it with big diameter

Our Services

1. Pre offer service                                                                              two. Right after promote service                                          
a. advocate the suited model                                             c. online specialized assist,                                                                                   
b. factory tour                                                                              d. complete existence spare elements and techinical help


twelve months gurantee for our roots blowers

/ The use of authentic tools manufacturer’s (OEM) element quantities or emblems , e.g. CASE® and John Deere® are for reference functions only and for indicating solution use and compatibility. Our business and the shown EPT components contained herein are not sponsored, approved, or created by the OEM. /

Mvr  China  in   Porto Velho Brazil   face gear coupling  manufacturer  Roots  in   Haifa Israel   gear grip flexible shaft couplings sales  Type Steam Compressor with SS304 with top quality lowest price