Anti Corrosion Roots Blower for Pheumactic, Finshery, Mvr

Anti Corrosion Roots Blower for Pheumactic, Finshery, Mvr

We make all types of roots blower, centrifugal blower, Our Main products are as under:

Sort Diameter Price of movement Strain
ESR-MJ(Intense Variety) Φ50~Φ300mm .5~140m³/min nine.8KPa~ninety eight.8Kpa
ESR(Regular Sort) Φ50~Φ350mm .5~140m³/min nine.8KPa~78.4Kpa
ESR-H(Substantial-strain Type) 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 20.3~750m³/min 9.8KPa~fifty eight.8Kpa
Multistage Centrifugal Blower
or C-Collection
Φ250~Φ500mm fifty~500m³/min 9.8KPa~98Kpa
ERR-ERG Variety Φ250~Φ500mm a hundred and twenty~420m³/min nine.8KPa~ninety eight.8Kpa

The working principle of the three-blade roots blower: two 3-lobed rotors are arranged in the cavity, and the
suction port and the discharge port are opened on each sides of the cavity. Through the action 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 gas in the chamber is pushed to attain the
objective of blowing.

Function of our roots blower:
one. Huge adjustment of the air quantity
2. Reduced Sound
three. Substantial efficiency
four. Lower energy cosumption
5. Prolonged time life
6. Reliable operating, easy servicing,tiny footprint

The parameters of our roots blower:

Variety Ratary Speed
(r/min)
Stress Rise
(Kpa)
Ability
(m/min)
Shaft Power
(Kw)
Motor Unit Maximn
Bodyweight(Kg)
Electrical power
(Kw)
ESR-50 1100-2120 9.eight-fifty eight.8 .65-two.58 .three-three.fifty four .seventy five-4 128-158
ESR-sixty five 1100-2130 nine.8-58.8 .ninety four-3.66 .38-four.forty six .seventy five-5.5 a hundred and fifty five-185
ESR-eighty 1140-1900 nine.eight-58.8 2.34-five.forty three one.04-7.forty two 2.2-eleven 155-277
ESR-a hundred 1060-1980 9.eight-58.eight 4.fifty seven-nine.05 1.35-twelve.15 three-fifteen 309-377
ESR-one hundred twenty five 980-1850 nine.8-fifty eight.eight five.35-12.4 1.65-five.19 5.5-eighteen.five 408-451
ESR-125C 970-1830 nine.8-58.8 7.5-seventeen.fifty seven three.2-eighteen.5 four-22 408-451
ESR-a hundred and fifty 810-1730 nine.8-58.eight 10.37-27.15 three.84-forty.82 7.5-45 688-848
ESR-one hundred seventy five 970-1520 nine.8-58.8 19.65-36.65 seven.two-forty five.95 11-55 980-1080
ESR-200B 740-1450 nine.8-58.8 19.65-forty four.8 ten.fifteen-sixty.44 15-seventy five 1272-1546
ESR-200 810-1480 9.8-fifty eight.8 27.65-fifty nine.two 8.05-80,twelve 15-ninety 1272-1546
ESR-250B 1100-1480 nine.8-58.8 fifty four.seventy seven-seventy seven.fifty five 19.ninety seven-90.97 30-110 1490-2454
ESR-250 990-1480 nine.eight-58.eight 61.four-97.fifty two twenty.1-117.three thirty-132 1490-2454
ESR-300 990-1480 nine.8-fifty eight.8 87.1-138.one 26.four-167.eight 37-185 3326-3446
ESR-350 730-1480 9.eight-fifty eight.8 78.41-177.31   fifty five-250  
ESR-50H 1230-2120 63.seven-98 .45-two.02 two.05-6.12 three-7.five 160–170
ESR-65H 1240-2130 63.7-ninety eight .seventy eight-2.53 2.89-7.fifty five 4-11 198-230
ESR-80H 1140-1900 63.7-98 one.82-4.55 4.09-10.1 five.5-fifteen 316-326
ESR-100H 1060-1980 63.7-98 two.65-8.06 6.36-17.2 7.five-22 398-459
ESR-125H 980-1850 63.seven-98 4.64-11.23 eight.ninety two-24.2 11-30 544-630
ESR-150H 810-1730 sixty three.7-ninety eight 9.fifty three-twenty five.76 17.sixteen-65 18.five-75 752-1571
ESR-200H 810-1480 sixty three.seven-ninety eight twenty five.34-56.ninety two forty two.34-a hundred and twenty 55-132 1426-1934
ESR-250H 990-1480 sixty three.seven-98 58-ninety three.7 83.2-205 90-220 2980-3468
ESR300H 990-1480 sixty three.seven-98 86.9-134.1 114.7-270 132-280 3476-3998
ERF-245 650-980 9.8-98 47.5-97.4 sixteen-183 18.five-two hundred 3630-3690
ERF-250 650-980 9.eight-ninety eight sixty one.six-one hundred twenty.four 19-227 22-250 4450-4500
ERF-290 650-980 nine.8-seventy eight.four 92.three-128 22-213 30-250 4890-4710
ERF-295 650-980 nine.eight-78.4 ninety seven.three-152.5 23-227 thirty-250 4890-4880
ERF-297 650-980 9.8-seventy eight.4 87.five-167.6 26-249 30-280 5330-5520
ERF-300 650-980 9.8-78.four a hundred and one.five-188.seven 29-278 37-315 5330-5520
ERF-350 650-980 9.eight-78.4 126-224.nine 34-249 45-280 5210-6470
ERG-three hundred 590-730 9.eight-ninety eight 128.three-196 38-362 45-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-eighty three.three 203.1-290.nine 52-449 75-five hundred 10090-11390
ERG-445 590-730 9.eight-73.five 229.7-327.8 58-477 seventy five-560 10600-12230
ERG-450 590-730 nine.eight-seventy three.five 262.four-366.2 sixty four-496 seventy five-560 10600-12230
ERG-500 590-730 nine.eight-sixty three.seven 327.4-452.4 seventy eight-529 ninety-560 12790-14620
ERF-240-V 650-980 -nine.8- -forty nine 38.one-78 13-seventy six 18.5-ninety 3420-3285
ERF-245-V 650-980 -9.8- -49 47.5-97.4 16-ninety five 22-a hundred and ten 3425-3360
ERF-250-V 650-980 -nine.eight- -49 sixty three-one hundred twenty 19-117 22-132 3910-3830
ERF-290-V 650-980 -nine.eight- -49 72.six-one hundred forty four 22-136 30-one hundred sixty 4415-4270
ERF-295-V 650-980 -nine.8- -forty nine seventy six.six-152 23-145 thirty-a hundred and sixty 4425-4485
ERF-297-V 650-980 -9.8- -forty nine eighty four.3-166.8 26-160 thirty-one hundred eighty 5000-4980
ERF-three hundred-V 650-980 -nine.eight- -49 97-192 29-178 37-200 5000-4980
ERF-350-V 650-980 -9.eight- -49 116-225 34-209 forty five-250 5400-5700
ERG-300V 590-730 -9.8- -forty nine 133-193 38-184 45-220 7800-9100
ERG-350V 590-730 -nine.8- -forty nine 163-231 43-216 fifty five-250 9500-9470
ERG-400V 590-730 -9.eight- -forty nine 199-290 52-269 seventy five-315 9900-10130
ERG-445V 590-730 -9.8- -49 224.8-326.nine 58-303 seventy five-355 9900-10130
ERG-450V 590-730 -9.eight- -49 255-365 sixty four-335 seventy five-four hundred 11230-11300
ERG-500V 590-730 -nine.eight- -49 314-452 78-412 132-450 13630-13850
ERF-245W 650-980 -thirteen.3- -fifty three.3 53.five-one hundred and one 21.5-102 30-one hundred ten 3630-3360
ERF-250W 650-980 -13.three- -fifty three.three sixty nine-127 26.five-127 30-one hundred sixty 3985-4115
ERF-290W 650-980 -13.3- -53.three 82.6-150 30.5-149 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 95-174 36-174 45-200 5230-5130
ERF-300W 650-980 -thirteen.three- -53.3 109-195 40-193 55-220 5230-5130
ERF-350W 650-980 -thirteen.three- -fifty three.three 129-230 50-230 75-250 5840-5670
ERG-300W 590-730 -13.three- -53.three 142-197 52-201 seventy five-220 9100-9000
ERF-350W 590-730 -thirteen.three- -53.3 168-234.4 59-235.5 seventy five-280 9500-9600
ERG-400W 590-730 -13.three- -fifty three.3 220-276.6 seventy one-292 90-315 9900-10130
ERG-445W 590-730 -13.three- -53.three 244-294.six eighty two-331 ninety-400 11230-11300
ERG450W 590-730 -13.3- -53.three 275-368.5 ninety one-366 a hundred and ten-400 11230-11300
ETRF-250
(240,250)
650-980 98-196 sixty four.eight-112 one hundred thirty five-355 160-four hundred 8700-8600
ETRF-295
(245,295)
650-980 98-196 80.8-139 167-439 185-five hundred 9200-9100
ETRF-three hundred
(245,295)
650-980 ninety eight-176.4 102-174 206-497 250-560 10320-10500
ETRF-350
(245,295)
650-980 ninety eight-137.2 124-207 241-473 280-560 10700-11110
ETRG-four hundred
(three hundred,four hundred)
590-740 ninety eight-176.4 205-273 380-773 450-900 21350-24200
ETRG-450
(350,450)
590-740 ninety eight-176.four 263-428 476-955 560-a thousand 24200-27600
ETRF-250W
(240,250)
650-980 -53.3–80 72-121 seventy five.6-121 ninety-a hundred and sixty 6100-6470
ETRF-295W
(245/295)
650-980 -53.three–eighty ninety three.8-154 99.five-186 a hundred and ten-220 7000-6400
ETRF-300W
(2505/300)
650-980 -53.three–eighty 116-189 a hundred and fifteen-220 132-250 7750-7760
EL81WD 580-980 9.8-fifty eight.8 fifty four.2-a hundred thirty eighteen-151 45-185 3595
EL82WDB 580-980 9.eight-fifty eight.8 72.eight-161 22-191 forty five-220 3860
EL83WDA 580-980 nine.8-fifty eight.9 101-213 28.5-202 45-220 4300
EL84WDA 580-980 nine.8-fifty eight.8 129-267 35.4-252 45-280 4720
EL93WDA 580-730 nine.eight-49 230-329 fifty six.4-311 75-355 7765
EL94WDA 580-730 nine.eight-forty nine 263-373 64-353 seventy five-four hundred 8130
EL95WDA 490-580 9.8-58.eight 308-434 eighty one.4-414 ninety-450 11500
EL96WDA 580 58.8 381 497 560 11500
E397WN 1000-1650 forty five-9      
E408WN 870-1650 forty ten-22      
E517WN 980-1580 40 twenty-thirty      
E520WN 930-1550 40 24-forty five      
E607WN 750-1250 forty 45-76      
E610WN 750-1250 40 seventy five-one hundred thirty      

Spare parts and construction of our roots blower:

Bundle of our Roots Blower

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

Roots blower pack technique identical as iron circumstance, just adjust to Fumigation Totally free Plywood Circumstance

Our manufacturing facility is a skilled maker of Roots blowers which has more than twenty years’ experience in equipment
manufacturing. It is located in Xihu (West Lake) Dis. CZPT CZPT Park, 50 kilometers to the east of ZheJiang provincial
capital— HangZhou. Our organization also has handy visitors transportation, as it is 15 kilometers away from
Diaozhen Town station of HangZhou-HangZhou expressway, and thirty kilometers away from CZPT HangZhou station of
ZheJiang -ZheJiang expressway.The leading product of our firm is ESR -kind Roots Blower. The roots
vacuum pump is a new type of higher-efficiency roots blower, which is created independently primarily based on the
domestic and overseas sophisticated technologies. Many patented technologies have been adopted on Roots
Blower, and thus we have produced considerable consequences in energy conservation and noise reduction, and so forth.. So much, our
company has invested far more than thirty,000,000 RMB to introduce these kinds of superior professional tools as
horizontal machining center, vertical machining center, two-way CNC surface planer, CNC lathe, CNC milling
equipment, CNC planer, plane grinder, cylindrical grinding equipment, and 3 coordinates screening machine.
Aside from, we have taken different measures to CZPTize the method stream this sort of as doing work and cooperating
with numerous scientific research units, faculties and universities at property and abroad. We also continuously try to
take in and improve the domestic innovative production systems, so as to market the upgrading and
optimization of the solution and make the merchandise good quality attain the superior stage at home and abroad.
ESR -type Roots Blower includes numerous series such as A few-leaves Type, Two-leaves Kind and Centrifugal
Sort,which can be further divided to hundreds of varieties. The goods are widely utilised in sewage treatment method,
pneumatic conveying,vacuum packaging, aquaculture, foods processing, electric electricity, petrochemical, cement,
mining and other industries. Our items have such benefits as minimal sound, power conserving, steady high quality,
and prolonged service life, and many others.. With the income outlets throughout the domestic capital cities, our merchandise offer effectively all
above the country, and have been exported to North CZPTica,Russia, Malaysia, Indonesia, Vietnam, South Africa
and some other countries. Having acquired the ISO9001 CZPT CZPT System Certification, we have
set up and enhanced the good quality assurance of the items developing, manufacturing, and set up.
From the process of design and style, research and advancement to the concluded goods, we have acquired the whole
approach controlled independently, as a result offering the complete basis and reliability promise for the products balance
and toughness. Obtaining a perfect revenue network and soon after-product sales provider, we offer our consumers with higher-
high quality and a lot more productive provider.All workers of our firm sincerely welcome the broad masses of pals to
manual, and negotiate business with us.

Our Roots Blower Workshop

         Doosn Horzitonal CZPT Center

The Software of the Roots Blower

Routine maintenance and inspection
(1) Check all fasteners and locating pins situations no matter whether they are loosening.
(two) Usually check out whether the leakage phenomenon of the human body.
(three) Pay interest to lubrication, sum of grease and noises when managing,
determine no matter whether it works beneath the essential situations.
(4) CZPT & grease: The lubricant is for medium load industrial equipment oil
(grade 220, kinematic viscosity of 198 ~ 242mm2 / s 40ºC, flash level ≥ 200ºC)
The grease is butter (artificial lithium grease penetration 220-250, drop point ≥
190ºC). Replace the lubricant and grease right after very first two hundred hrs working, and exchange
again right after a moth working. Afterwards, change the lubricant and grease according to the
surroundings and lubricant (grease) high quality propose a ideal substitution for three
months.
(five) Usually check the inlet air filter, clean or exchange the filter in time.
(six) Blower overload occasionally not instantly shown, so pay out attention to
the intake and exhaust strain, bearing temperature and the existing increase tendencies
of motor to establish whether or not the blower operates usually
(7) Prior to disassembling the blower, the assembling relation and proportions
need to be recorded or calculated, make marks on parts to make certain the CZPT
needs right after assembling.
(8) When recently equipment or overhaul, the oil tank should be cleaned before use
and suggest substitute all grease following eight several hours managing.

Widespread failure explanation and troubleshooting

No Failure Possible motives Elimination methods
one Friction
among the
impeller
(one) Impurities on the impeller,
ensuing in the hole is too modest
(two) Gear use, resulting in a
massive backlash
(3) The equipment is not effectively fastened,
can not keep the impeller
synchronization
(4) Bearing put on ensuing in
clearance growing.
(one) Get rid of dust and check
whether or not there is damage components
(two) Alter the equipment hole, replace
the gears if the gear backlash is
higher than the average thirty% to
50%
(three)Re-assemble the gears, maintain
the taper get in touch with spot is to seventy five%
(4)Change the bearing
two Collision
between
impeller and
wall, the
impeller prime
and casing
(1) Set up hole is not appropriate
(two) working pressure is way too
high, exceeding the specified
value
(three) Operating temperature is as well high
(4) Casing or base deformation,
positioning supporter failure
(five) Bearing axial area is not excellent
(1) Alter the hole
(2) Discover leads to of
overloading, decreased the strain
to the specified price
(three) Check out the set up
accuracy and minimize the pipe
pressure
(4) Check and mend bearings,
and to make certain the clearance
(5)Relocation
three Temperature
way too large
(1) Oil in tank is way too significantly, way too
thick or too soiled
(two) CZPT or silencer is blocked
(3)The pressure is higher than
the specified value
(four)Extreme put on of the
impeller, large hole
(5)Inadequate air flow, indoor
temperature is substantial, resulting in
inlet air’s high temperature
(six) The rotating pace is too reduced,end result in the belt slipping.
(one)Lessen the oil degree or count on
oil
(2)Take away of blocking objects
(3)Lowering the strain via
the blower
(four)Mend its clearance
(5)Open vents to lessen room
temperature
(6) Boost pace to avert the
belt slipping.
four Inadequate
flow
(one) The inlet filter is blocked
(2) Impeller use and the gap
will increase as well considerably
(three) Belt slipping
(four) Big imports pressure loss
(5) CZPT air flow leakage
(1) Thoroughly clean the filter dust and
obstruction
(2) Restore the hole
(3)Tighten the belt and increase
the amount of belts
(four)Adjust the inlet pressure to the
specified value
(5) Check and restore the pipeline
five Oil leaking or
oil leaking
into the enclosure
(one)Higher tank position trigger
leakage from the discharge port
(two) Seal dress in, ensuing in shaft oil spills
(three) The strain is larger than
the specified value

 
(one)Reduce the oil amount
(2)Exchange the seals
(three)Distinct the air vents, 2mm diameter faucet is set in the
middle chamber, open the faucet
under the wall
six Abnormal
vibration and
noise
(one)Bearing clearance exceeds the
specified price or bearing dress in
(two) The equipment backlash is way too
big, not in a tight set
(3) The international objects and dust
induced by the impeller and the
impeller, the impeller and the
housing collision
(4) the impeller shaft
deformation induced the collision
induced by overload,
(5) Friction in between the impeller
and the inlet housing triggered by
overheating
(6) Unbalance of the impeller
caused by fouling or overseas
physique
(seven) CZPT bolts or other
fasteners are loosened
(one)Exchange bearings or bearing
seat
(two)Reassemble equipment and ensure
backlash
(three)Cleansing blower, verify the
case is broken
(four)Examine the again force, check out
the wheel and change hole
(5)Check out the filter and back
pressure, increase the hole
in between the impeller inlet and the
casing
(six)Clean the impeller and the
casing, to make certain that the impeller
clearance function
(seven) Tighten the anchor bolts and
leveling the base.
7 Motor
overload
(one)When compared with the essential
pressure, the strain distinction
is huge that the again strain or
the inlet strain is higher
(2) In comparison with the
equipment needs, blower
flow is way too large, so its force
raises
(three)Inlet filter is blocked, or outlet
pipe is obstructed or blocked
(4) Collusion or friction (caught)
rotating parts
(5) The oil stage is also higher
(six) Slender V-belt is overheat,
vibration is as well big, or pulley
is way too little
(1) Lessen the pressure to the
specified price
(two) Exhaust the extra fuel into
the atmosphere or lessen the
blower pace
(3) Eliminate the obstructions
(four)Quickly shut down, check
the reason
(five) Change the oil to the right
stage
(six) Check the belt stress, and
changed it with massive diameter
pulley.

Our Support

one. Pre promote service                                                                              2. Following market service                                          
a. recommend the appropriate model                                             c. on the internet complex assist,                                                                                   
b. manufacturing unit tour                                                                              d. total life spare components and techinical assist

Gurantee

twelve months gurantee for our roots blowers
 

Anti Corrosion Roots Blower for Pheumactic, Finshery, Mvr

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