Mvr Roots Type Steam Compressor 3ton Per Hour

Mvr Roots Type Steam Compressor 3ton Per Hour

We make all types of roots blower, centrifugal blower, Our Primary goods are as underneath:

Sort Diameter Price of movement Stress
ESR-MJ(Intense Type) Φ50~Φ300mm .5~140m³/min 9.8KPa~98.8Kpa
ESR(Common Variety) Φ50~Φ350mm .5~140m³/min nine.8KPa~78.4Kpa
ESR-H(Large-stress Variety) Φ50~Φ350mm .seven~160m³/min 58.8KPa~98.8Kpa
ESR-V(Vacuum Pump) Φ50~Φ350mm .five~160m³/min 9.8KPa~fifty three.3Kpa
EL Series Φ200~Φ600mm twenty.three~750m³/min 9.8KPa~58.8Kpa
Multistage Centrifugal Blower
or C-Collection
Φ250~Φ500mm fifty~500m³/min nine.8KPa~98Kpa
ERR-ERG Sort Φ250~Φ500mm 120~420m³/min nine.8KPa~ninety eight.8Kpa

The operating theory of the a few-blade roots blower: two a few-lobed rotors are organized in the cavity, and the
suction port and the discharge port are opened on the two sides of the cavity. By way of the action 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 obtain the
function of blowing.

Attribute of our roots blower:
one. Big adjustment of the air volume
two. Reduced Sounds
three. Substantial effectiveness
4. Reduced energy cosumption
five. Extended time existence
6. Reliable working, effortless maintenance,modest footprint

The parameters of our roots blower:

Kind Ratary Velocity
Strain Rise
Shaft Electrical power
Motor Unit Maximn
ESR-fifty 1100-2120 9.eight-58.8 .65-two.fifty eight .3-three.fifty four .seventy five-four 128-158
ESR-65 1100-2130 nine.eight-fifty eight.eight .94-three.sixty six .38-4.46 .seventy five-5.5 a hundred and fifty five-185
ESR-eighty 1140-1900 9.eight-fifty eight.8 two.34-five.forty three one.04-seven.42 2.two-eleven 155-277
ESR-100 1060-1980 9.eight-58.eight 4.57-nine.05 one.35-twelve.fifteen 3-15 309-377
ESR-one hundred twenty five 980-1850 9.8-fifty eight.eight 5.35-twelve.4 one.sixty five-five.19 5.5-18.5 408-451
ESR-125C 970-1830 nine.8-58.8 seven.5-17.fifty seven three.2-18.5 4-22 408-451
ESR-150 810-1730 nine.8-58.eight ten.37-27.15 three.eighty four-40.eighty two 7.five-forty five 688-848
ESR-175 970-1520 nine.eight-fifty eight.8 19.65-36.sixty five 7.2-forty five.ninety five eleven-fifty five 980-1080
ESR-200B 740-1450 nine.eight-fifty eight.eight 19.sixty five-44.eight 10.15-sixty.forty four 15-seventy five 1272-1546
ESR-200 810-1480 9.8-fifty eight.eight 27.65-59.two 8.05-80,twelve 15-ninety 1272-1546
ESR-250B 1100-1480 nine.eight-58.8 54.77-77.fifty five 19.97-ninety.97 30-a hundred and ten 1490-2454
ESR-250 990-1480 9.eight-58.8 61.four-ninety seven.52 thirty-132 1490-2454
ESR-300 990-1480 nine.eight-fifty eight.eight 26.4-167.eight 37-185 3326-3446
ESR-350 730-1480 nine.eight-58.eight 78.41-177.31   fifty five-250  
ESR-50H 1230-2120 eight .forty five-two.02 2.05-6.twelve 3-7.5 a hundred and sixty–a hundred and seventy
ESR-65H 1240-2130 sixty three.7-ninety eight .78-two.fifty three 2.89-seven.55 4-11 198-230
ESR-80H 1140-1900 sixty three.7-ninety eight 1.82-four.55 five.5-fifteen 316-326
ESR-100H 1060-1980 63.7-ninety eight 2.sixty five-8.06 six.36-17.2 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-ninety eight 9.fifty three-25.seventy six seventeen.16-sixty five eighteen.5-seventy five 752-1571
ESR-200H 810-1480 eight 25.34-56.ninety two forty two.34-120 55-132 1426-1934
ESR-250H 990-1480 sixty eighty three.two-205 90-220 2980-3468
ESR300H 990-1480 63.7-98 114.7-270 132-280 3476-3998
ERF-245 650-980 9.8-ninety eight 47.5-ninety seven.4 16-183 eighteen.5-two hundred 3630-3690
ERF-250 650-980 nine.8-ninety eight 61.six-120.four 19-227 22-250 4450-4500
ERF-290 650-980 9.eight-seventy eight.four 92.3-128 22-213 thirty-250 4890-4710
ERF-295 650-980 9.8-seventy eight.four ninety seven.three-152.5 23-227 30-250 4890-4880
ERF-297 650-980 nine.8-78.four 87.5-167.6 26-249 30-280 5330-5520
ERF-three hundred 650-980 nine.eight-seventy eight.4 one zero one.five-188.7 29-278 37-315 5330-5520
ERF-350 650-980 9.8-seventy eight.four 126-224.nine 34-249 forty five-280 5210-6470
ERG-three hundred 590-730 9.8-98 128.three-196 38-362 45-400 9440-15710
ERG-350 590-730 nine.eight-98 159.3-231.six forty three-420 55-450 9700-1571
ERG-400 590-730 nine.8-83.3 203.1-290.nine fifty two-449 75-500 10090-11390
ERG-445 590-730 nine.8-seventy three.five 58-477 seventy five-560 10600-12230
ERG-450 590-730 nine.8-seventy three.five 262.4-366.two 64-496 seventy five-560 10600-12230
ERG-500 590-730 327.four-452.four seventy eight-529 90-560 12790-14620
ERF-240-V 650-980 -nine.eight- -forty nine 13-76 18.five-90 3420-3285
ERF-245-V 650-980 -nine.8- -49 47.5-97.four sixteen-ninety five 22-110 3425-3360
ERF-250-V 650-980 -9.8- -49 63-120 19-117 22-132 3910-3830
ERF-290-V 650-980 -nine.8- -49 seventy two.six-a hundred and forty four 22-136 30-one hundred sixty 4415-4270
ERF-295-V 650-980 -nine.eight- -forty nine seventy six.six-152 23-a hundred forty five 30-160 4425-4485
ERF-297-V 650-980 -nine.eight- -49 eighty four.3-166.8 26-a hundred and sixty thirty-a hundred and eighty 5000-4980
ERF-three hundred-V 650-980 -nine.8- -49 ninety seven-192 29-178 37-two hundred 5000-4980
ERF-350-V 650-980 -nine.eight- -49 116-225 34-209 45-250 5400-5700
ERG-300V 590-730 -nine.eight- -49 133-193 38-184 forty five-220 7800-9100
ERG-350V 590-730 -nine.8- -49 163-231 forty three-216 fifty five-250 9500-9470
ERG-400V 590-730 -9.8- -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 -nine.eight- -forty nine 255-365 sixty four-335 75-400 11230-11300
ERG-500V 590-730 -9.eight- -49 314-452 seventy eight-412 132-450 13630-13850
ERF-245W 650-980 -13.three- -fifty three.three fifty three.five-a hundred and one 21.five-102 30-110 3630-3360
ERF-250W 650-980 -13.three- -fifty three.3 sixty nine-127 26.5-127 30-one hundred sixty 3985-4115
ERF-290W 650-980 -thirteen.3- -53.three eighty two.six-a hundred and fifty 30.5-149 37-185 4340-4580
ERF-295W 650-980 -thirteen.3- -fifty three.three 87-158 32-158 37-185 4440-4580
ERF-297W 650-980 -thirteen.3- -fifty three.3 95-174 36-174 forty five-two hundred 5230-5130
ERF-300W 650-980 -13.3- -53.3 109-195 forty-193 55-220 5230-5130
ERF-350W 650-980 -thirteen.3- -53.three 129-230 fifty-230 75-250 5840-5670
ERG-300W 590-730 -13.three- -53.three 142-197 fifty two-201 seventy five-220 9100-9000
ERF-350W 590-730 -thirteen.three- -53.three 168-234.4 fifty nine-235.five seventy five-280 9500-9600
ERG-400W 590-730 -thirteen.three- -fifty three.3 220-276.six 71-292 90-315 9900-10130
ERG-445W 590-730 -thirteen.3- -fifty three.3 244-294.six eighty two-331 ninety-four hundred 11230-11300
ERG450W 590-730 -thirteen.3- -53.three 275-368.five 91-366 110-four hundred 11230-11300
650-980 98-196 sixty four.8-112 135-355 160-four hundred 8700-8600
650-980 ninety eight-196 eighty.eight-139 167-439 185-500 9200-9100
650-980 ninety eight-176.4 102-174 206-497 250-560 10320-10500
650-980 ninety eight-137.2 124-207 241-473 280-560 10700-11110
590-740 ninety eight-176.four 205-273 380-773 450-900 21350-24200
590-740 ninety eight-176.4 263-428 476-955 560-1000 24200-27600
650-980 -fifty three.3–80 72-121 75.6-121 90-one hundred sixty 6100-6470
650-980 -53.3–eighty ninety three.8-154 ninety nine.five-186 a hundred and ten-220 7000-6400
(2505/three hundred)
650-980 -53.three–80 116-189 one hundred fifteen-220 132-250 7750-7760
EL81WD 580-980 9.8-58.8 54.2-130 eighteen-151 45-185 3595
EL82WDB 580-980 nine.8-58.eight 72.8-161 22-191 forty five-220 3860
EL83WDA 580-980 nine.8-58.9 one zero one-213 28.five-202 forty five-220 4300
EL84WDA 580-980 9.eight-58.8 129-267 35.four-252 forty five-280 4720
EL93WDA 580-730 9.8-forty nine 230-329 56.four-311 seventy five-355 7765
EL94WDA 580-730 9.eight-49 263-373 64-353 75-four hundred 8130
EL95WDA 490-580 9.eight-fifty eight.eight 308-434 81.four-414 ninety-450 11500
EL96WDA 580 fifty eight.eight 381 497 560 11500
E397WN 1000-1650 forty five-nine      
E408WN 870-1650 40 10-22      
E517WN 980-1580 40 20-thirty      
E520WN 930-1550 40 24-forty five      
E607WN 750-1250 forty forty five-seventy six      
E610WN 750-1250 40 75-130      

Spare elements and framework of our roots compressor:

Bundle of our Roots CZPT

Pack into iron scenario, two layer,blower physique and motor in lower layer, inlet/out silencer and many others in upper layer

Roots blower pack method same as iron situation, just adjust to Fumigation Cost-free Plywood Scenario

Our manufacturing facility is a specialist company of Roots blowers which has more than twenty years’ experience in equipment
manufacturing. It is located in Xihu (West Lake) Dis. CZPT CZPT Park, fifty kilometers to the east of ZheJiang provincial
capital— HangZhou. Our business also has hassle-free traffic transportation, as it is fifteen kilometers away from
Diaozhen Town station of HangZhou-HangZhou expressway, and 30 kilometers absent from CZPT HangZhou station of
ZheJiang -ZheJiang expressway.The major item of our business is ESR -variety Roots Blower. The roots
vacuum pump is a new variety of high-effectiveness roots blower, which is developed independently dependent on the
domestic and foreign advanced technologies. Many patented technologies have been adopted on Roots
Blower, and thus we have manufactured important consequences in strength conservation and noise reduction, etc.. So far, our
business has invested far more than 30,000,000 RMB to introduce these kinds of advanced skilled tools as
horizontal machining heart, vertical machining center, two-way CNC area planer, CNC lathe, CNC milling
device, CNC planer, aircraft grinder, cylindrical grinding equipment, and a few coordinates tests equipment.
Aside from, we have taken numerous actions to CZPTize the method circulation this sort of as doing work and cooperating
with many scientific research units, faculties and universities at house and overseas. We also constantly attempt to
absorb and enhance the domestic innovative generation technologies, so as to encourage the upgrading and
optimization of the solution and make the merchandise good quality achieve the superior amount at house and abroad.
ESR -kind Roots Blower involves numerous series this kind of as 3-leaves Sort, Two-leaves Type and Centrifugal
Variety,which can be more divided to hundreds of kinds. The goods are commonly utilized in sewage therapy,
pneumatic conveying,vacuum packaging, aquaculture, foods processing, electrical power, petrochemical, cement,
mining and other industries. Our items have this kind of rewards as reduced noise, strength conserving, steady good quality,
and extended service life, and many others.. With the product sales outlets throughout the domestic capital towns, our goods offer well all
more than the nation, and have been exported to North CZPTica,Russia, Malaysia, Indonesia, Vietnam, South Africa
and some other international locations. Getting got the ISO9001 CZPT CZPT Program Certification, we have
proven and improved the quality assurance of the merchandise planning, manufacturing, and installation.
From the procedure of design and style, analysis and advancement to the finished items, we have received the whole
method controlled independently, hence supplying the full foundation and trustworthiness guarantee for the products stability
and durability. Getting a perfect product sales network and after-product sales services, we provide our customers with increased-
good quality and far more effective support.All workers of our organization sincerely welcome the wide masses of friends to
manual, and negotiate enterprise with us.

Our Roots Blower Workshop

         Doosn Horzitonal CZPT Heart

The Application of the Roots Blower

Maintenance and inspection
(one) Check all fasteners and finding pins circumstances no matter whether they are loosening.
(two) Constantly verify whether the leakage phenomenon of the entire body.
(3) Pay out focus to lubrication, amount of grease and noises when managing,
determine regardless of whether it works underneath the required situations.
(four) CZPT & 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 (artificial lithium grease penetration 220-250, drop stage ≥
190ºC). Exchange the lubricant and grease following initial two hundred hrs operating, and substitute
once again right after a moth managing. Afterwards, change the lubricant and grease according to the
setting and lubricant (grease) high quality propose a appropriate replacement for 3
(five) Always check out the inlet air filter, clean or substitute the filter in time.
(6) Blower overload sometimes not quickly exhibited, so spend interest to
the ingestion and exhaust pressure, bearing temperature and the current increase tendencies
of motor to figure out regardless of whether the blower operates generally
(seven) Before disassembling the blower, the assembling relation and dimensions
need to be recorded or calculated, make marks on factors to make certain the CZPT
demands right after assembling.
(8) When recently machine or overhaul, the oil tank must be cleaned ahead of use
and propose exchange all grease following eight hrs operating.

Frequent failure reason and troubleshooting

No Failure Feasible motives Elimination techniques
one Friction
among the
(1) Impurities on the impeller,
ensuing in the hole is way too small
(two) Equipment wear, resulting in a
huge backlash
(three) The equipment is not nicely fastened,
can not sustain the impeller
(four) Bearing put on ensuing in
clearance rising.
(one) Take away grime and check out
no matter whether there is harm components
(two) Alter the gear gap, change
the gears if the equipment backlash is
better than the typical 30% to
(three)Re-assemble the gears, maintain
the taper get in touch with region is to 75%
(four)Exchange the bearing
two Collision
impeller and
wall, the
impeller best
and casing
(1) Set up hole is not correct
(2) functioning pressure is also
higher, exceeding the specified
(3) Functioning temperature is too substantial
(four) Casing or foundation deformation,
positioning admirer failure
(five) Bearing axial area is not great
(1) Alter the hole
(2) Recognize triggers of
overloading, lowered the strain
to the specified price
(three) Check out the installation
accuracy and reduce the pipe
(4) Check and fix bearings,
and to make sure the clearance
three Temperature
also large
(1) Oil in tank is as well much, as well
thick or too filthy
(2) CZPT or silencer is blocked
(three)The strain is greater than
the specified worth
(four)Too much use of the
impeller, massive hole
(5)Bad air flow, indoor
temperature is higher, ensuing in
inlet air’s higher temperature
(six) The rotating speed is also lower,consequence in the belt slipping.
(1)Lessen the oil degree or count on
(2)Take away of blocking objects
(3)Lowering the pressure via
the blower
(four)Restore its clearance
(5)Open up vents to minimize room
(six) Increase velocity to stop the
belt slipping.
four Inadequate
(one) The inlet filter is blocked
(2) Impeller put on and the hole
raises also significantly
(three) Belt slipping
(four) Big imports force decline
(five) CZPT ventilation leakage
(1) Clean the filter dust and
(2) Mend the hole
(three)Tighten the belt and improve
the number of belts
(4)Change the inlet strain to the
specified value
(five) Examine and mend the pipeline
five Oil leaking or
oil leaking
into the enclosure
(one)Higher tank place cause
leakage from the discharge port
(2) Seal use, ensuing in shaft oil spills
(3) The strain is increased than
the specified benefit

(one)Lessen the oil degree
(two)Replace the seals
(three)Very clear the air vents, 2mm diameter faucet is fastened in the
center chamber, open the faucet
below the wall
6 Abnormal
vibration and
(one)Bearing clearance exceeds the
specified value or bearing dress in
(2) The equipment backlash is too
massive, not in a restricted set
(3) The international objects and dust
induced by the impeller and the
impeller, the impeller and the
housing collision
(four) the impeller shaft
deformation brought on the collision
triggered by overload,
(5) Friction between the impeller
and the inlet housing brought on by
(6) Unbalance of the impeller
induced by fouling or overseas
human body
(seven) CZPT bolts or other
fasteners are loosened
(1)Replace bearings or bearing
(2)Reassemble equipment and guarantee
(three)Cleansing blower, check out the
situation is ruined
(4)Check out the again strain, check out
the wheel and change gap
(five)Verify the filter and back again
strain, boost the gap
in between the impeller inlet and the
(six)Clear the impeller and the
casing, to ensure that the impeller
clearance function
(7) Tighten the anchor bolts and
leveling the base.
7 Motor
(one)Compared with the essential
strain, the stress distinction
is huge that the back again strain or
the inlet pressure is large
(two) In contrast with the
gear specifications, blower
flow is too large, so its pressure
(3)Inlet filter is blocked, or outlet
pipe is obstructed or blocked
(four) Collusion or friction (stuck)
rotating areas
(five) The oil degree is also substantial
(six) Slender V-belt is overheat,
vibration is as well large, or pulley
is also tiny
(1) Decrease the strain to the
specified value
(two) Exhaust the excessive gasoline into
the ambiance or lessen the
blower speed
(three) Take away the obstructions
(4)Immediately shut down, examine
the explanation
(five) Adjust the oil to the correct
(6) Examine the belt rigidity, and
replaced it with large diameter

Our Service

one. Pre sell service                                                                              2. Following promote service                                          
a. suggest the appropriate model                                             c. on the web technical assistance,                                                                                   
b. manufacturing facility tour                                                                              d. entire existence spare components and techinical assistance


twelve months gurantee for our roots blowers

Mvr Roots Type Steam Compressor 3ton Per Hour