Anti Corrosion Roots Blower for Fishery, Pheumatic, Mvr

Anti Corrosion Roots Blower for Fishery, Pheumatic, Mvr

We make all varieties of roots blower, centrifugal blower, Our Principal items are as under:

Type Diameter Price of flow Strain
ESR-MJ(Intense Sort) Φ50~Φ300mm .five~140m³/min 9.8KPa~ninety eight.8Kpa
ESR(Ordinary Type) Φ50~Φ350mm .5~140m³/min nine.8KPa~78.4Kpa
ESR-H(High-stress Kind) Φ50~Φ350mm .7~160m³/min 58.8KPa~ninety eight.8Kpa
ESR-V(Vacuum Pump) Φ50~Φ350mm .5~160m³/min nine.8KPa~fifty three.3Kpa
EL Series Φ200~Φ600mm twenty.3~750m³/min nine.8KPa~58.8Kpa
Multistage Centrifugal Blower
or C-Sequence
Φ250~Φ500mm fifty~500m³/min nine.8KPa~98Kpa
ERR-ERG Variety Φ250~Φ500mm 120~420m³/min 9.8KPa~ninety eight.8Kpa

The functioning principle 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. Through 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
goal of blowing.

Characteristic of our roots blower:
one. Huge adjustment of the air quantity
2. Minimal Noise
three. Large effectiveness
4. Reduced strength cosumption
five. Long time lifestyle
6. Reputable managing, straightforward servicing,tiny footprint

The parameters of our roots blower:

Variety Ratary Speed
Pressure Rise
Shaft Electrical power
Motor Device Maximn
Excess weight(Kg)
ESR-fifty 1100-2120 nine.eight-fifty eight.eight .65-2.58 .three-three.54 .seventy five-four 128-158
ESR-65 1100-2130 9.eight-58.eight .94-three.66 .38-four.46 .seventy five-five.5 one hundred fifty five-185
ESR-eighty 1140-1900 9.8-58.8 two.34-5.43 1.04-seven.forty two 2.2-11 155-277
ESR-a hundred 1060-1980 nine.8-58.8 4.57-nine.05 one.35-12.15 three-15 309-377
ESR-125 980-1850 9.eight-fifty eight.8 five.35-12.four 1.65-5.19 five.five-18.5 408-451
ESR-125C 970-1830 nine.8-fifty eight.8 7.five-17.fifty seven three.2-eighteen.five four-22 408-451
ESR-a hundred and fifty 810-1730 nine.eight-58.8 ten.37-27.fifteen 3.eighty four-forty.eighty two 7.5-forty five 688-848
ESR-175 970-1520 nine.eight-58.8 19.65-36.sixty five seven.2-45.ninety five eleven-55 980-1080
ESR-200B 740-1450 nine.8-58.8 19.sixty five-forty four.8 10.15-sixty.44 fifteen-75 1272-1546
ESR-200 810-1480 9.8-58.8 27.65-59.2 8.05-eighty,twelve 15-ninety 1272-1546
ESR-250B 1100-1480 nine.8-fifty eight.eight fifty four.seventy seven-77.fifty five 19.97-90.ninety seven 30-a hundred and ten 1490-2454
ESR-250 990-1480 nine.8-fifty eight.8 61.4-ninety seven.52 thirty-132 1490-2454
ESR-300 990-1480 9.8-fifty eight.8 26.4-167.eight 37-185 3326-3446
ESR-350 730-1480 9.eight-fifty eight.8 seventy eight.41-177.31   55-250  
ESR-50H 1230-2120 sixty three.7-98 .45-2.02 2.05-six.twelve three-7.5 160–a hundred and seventy
ESR-65H 1240-2130 sixty eight .seventy eight-two.53 two.89-seven.55 four-11 198-230
ESR-80H 1140-1900 eight one.82-four.55 five.five-15 316-326
ESR-100H 1060-1980 sixty 2.65-eight.06 6.36-17.two 7.5-22 398-459
ESR-125H 980-1850 4.sixty four-eleven.23 8.ninety two-24.2 eleven-thirty 544-630
ESR-150H 810-1730 nine.53-25.seventy six 17.sixteen-sixty five eighteen.5-75 752-1571
ESR-200H 810-1480 sixty 25.34-56.92 forty two.34-a hundred and twenty fifty five-132 1426-1934
ESR-250H 990-1480 eight 58-ninety three.7 83.2-205 ninety-220 2980-3468
ESR300H 990-1480 sixty three.7-98 86.9-134.1 114.7-270 132-280 3476-3998
ERF-245 650-980 nine.8-98 47.5-97.four 16-183 18.five-two hundred 3630-3690
ERF-250 650-980 9.eight-ninety eight 61.6-a hundred and twenty.four 19-227 22-250 4450-4500
ERF-290 650-980 nine.8-seventy eight.four ninety two.three-128 22-213 30-250 4890-4710
ERF-295 650-980 nine.8-78.4 ninety seven.3-152.five 23-227 30-250 4890-4880
ERF-297 650-980 9.eight-78.four 87.5-167.six 26-249 30-280 5330-5520
ERF-three hundred 650-980 nine.eight-78.4 one zero 29-278 37-315 5330-5520
ERF-350 650-980 nine.eight-78.four 126-224.nine 34-249 45-280 5210-6470
ERG-three hundred 590-730 9.8-ninety eight 128.three-196 38-362 forty five-400 9440-15710
ERG-350 590-730 9.8-98 159.3-231.six 43-420 fifty five-450 9700-1571
ERG-400 590-730 nine.8-83.three fifty two-449 75-500 10090-11390
ERG-445 590-730 nine.eight-seventy three.5 58-477 75-560 10600-12230
ERG-450 590-730 nine.eight-seventy three.five 262.4-366.two sixty four-496 seventy five-560 10600-12230
ERG-500 590-730 nine.eight-sixty three.7 327.four-452.4 seventy eight-529 ninety-560 12790-14620
ERF-240-V 650-980 -9.8- -49 eight thirteen-seventy six 18.five-90 3420-3285
ERF-245-V 650-980 -nine.eight- -forty nine forty seven.five-97.four 16-ninety five 22-110 3425-3360
ERF-250-V 650-980 -9.eight- -49 sixty three-120 19-117 22-132 3910-3830
ERF-290-V 650-980 -nine.8- -49 72.6-a hundred and forty four 22-136 30-one hundred sixty 4415-4270
ERF-295-V 650-980 -nine.eight- -forty nine seventy six.6-152 23-145 thirty-a hundred and sixty 4425-4485
ERF-297-V 650-980 -9.eight- -49 84.3-166.eight 26-160 thirty-180 5000-4980
ERF-300-V 650-980 -9.8- -49 97-192 29-178 37-two hundred 5000-4980
ERF-350-V 650-980 -9.8- -49 116-225 34-209 forty five-250 5400-5700
ERG-300V 590-730 -nine.8- -49 133-193 38-184 forty five-220 7800-9100
ERG-350V 590-730 -9.eight- -49 163-231 43-216 55-250 9500-9470
ERG-400V 590-730 -9.8- -49 199-290 52-269 seventy five-315 9900-10130
ERG-445V 590-730 -9.eight- -forty nine 224.eight-326.nine fifty eight-303 75-355 9900-10130
ERG-450V 590-730 -nine.8- -49 255-365 64-335 75-400 11230-11300
ERG-500V 590-730 -9.eight- -forty nine 314-452 78-412 132-450 13630-13850
ERF-245W 650-980 -13.3- -fifty three.three 53.5-one hundred and one 21.five-102 thirty-one hundred ten 3630-3360
ERF-250W 650-980 -13.three- -53.three 69-127 26.5-127 thirty-160 3985-4115
ERF-290W 650-980 -thirteen.3- -fifty three.3 eighty two.six-one hundred fifty 30.five-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.three- -53.3 ninety five-174 36-174 45-200 5230-5130
ERF-300W 650-980 -13.3- -fifty three.3 109-195 forty-193 55-220 5230-5130
ERF-350W 650-980 -13.3- -53.3 129-230 fifty-230 75-250 5840-5670
ERG-300W 590-730 -thirteen.three- -fifty three.three 142-197 fifty two-201 seventy five-220 9100-9000
ERF-350W 590-730 -thirteen.3- -53.three 168-234.four 59-235.five 75-280 9500-9600
ERG-400W 590-730 -13.three- -53.3 220-276.6 seventy one-292 90-315 9900-10130
ERG-445W 590-730 -thirteen.three- -fifty three.3 244-294.six 82-331 ninety-400 11230-11300
ERG450W 590-730 -13.3- -fifty three.three 275-368.5 ninety one-366 110-four hundred 11230-11300
650-980 98-196 64.eight-112 a hundred thirty five-355 a hundred and sixty-four hundred 8700-8600
650-980 ninety eight-196 eighty.8-139 167-439 185-500 9200-9100
650-980 ninety eight-176.four 102-174 206-497 250-560 10320-10500
650-980 98-137.two 124-207 241-473 280-560 10700-11110
590-740 ninety eight-176.4 205-273 380-773 450-900 21350-24200
590-740 98-176.four 263-428 476-955 560-1000 24200-27600
650-980 -fifty three.3–eighty seventy two-121 seventy five.six-121 90-160 6100-6470
650-980 -53.three–80 93.eight-154 ninety nine.5-186 a hundred and ten-220 7000-6400
650-980 -fifty three.3–80 116-189 a hundred and fifteen-220 132-250 7750-7760
EL81WD 580-980 nine.eight-58.eight 54.two-130 eighteen-151 forty five-185 3595
EL82WDB 580-980 nine.8-58.8 72.8-161 22-191 forty five-220 3860
EL83WDA 580-980 nine.8-58.9 a hundred and one-213 28.five-202 45-220 4300
EL84WDA 580-980 9.8-58.8 129-267 35.four-252 45-280 4720
EL93WDA 580-730 nine.eight-forty nine 230-329 fifty six.4-311 seventy five-355 7765
EL94WDA 580-730 9.8-49 263-373 64-353 75-400 8130
EL95WDA 490-580 9.8-fifty eight.8 308-434 eighty one.4-414 90-450 11500
EL96WDA 580 fifty eight.8 381 497 560 11500
E397WN 1000-1650 40 5-9      
E408WN 870-1650 40 10-22      
E517WN 980-1580 forty 20-thirty      
E520WN 930-1550 40 24-45      
E607WN 750-1250 40 45-seventy six      
E610WN 750-1250 40 75-130      

Spare elements and framework of our roots blower:

Package of our Roots Blower

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

Roots blower pack strategy same as iron circumstance, just modify to Fumigation Totally free Plywood Circumstance

Our factory is a expert company of Roots blowers which has in excess of 20 years’ experience in machinery
manufacturing. It is positioned in Xihu (West Lake) Dis. CZPT CZPT Park, fifty kilometers to the east of ZheJiang provincial
cash— HangZhou. Our company also has handy traffic transportation, as it is fifteen kilometers absent from
Diaozhen Town station of HangZhou-HangZhou expressway, and thirty kilometers away from CZPT HangZhou station of
ZheJiang -ZheJiang expressway.The foremost product of our company is ESR -sort Roots Blower. The roots
vacuum pump is a new variety of large-effectiveness roots blower, which is produced independently based mostly on the
domestic and overseas superior systems. A number of patented technologies have been adopted on Roots
Blower, and as a result we have created substantial effects in energy conservation and noise reduction, and so forth.. So far, our
organization has invested more than 30,000,000 RMB to introduce such superior skilled tools as
horizontal machining centre, vertical machining centre, two-way CNC area planer, CNC lathe, CNC milling
machine, CNC planer, aircraft grinder, cylindrical grinding equipment, and a few coordinates screening device.
Aside from, we have taken different actions to CZPTize the approach circulation these kinds of as functioning and cooperating
with several scientific research units, colleges and universities at home and overseas. We also continuously try to
soak up and enhance the domestic sophisticated production technologies, so as to encourage the upgrading and
optimization of the item and make the solution high quality get to the advanced stage at property and abroad.
ESR -type Roots Blower contains several series this sort of as 3-leaves Kind, Two-leaves Variety and Centrifugal
Kind,which can be additional divided to hundreds of types. The goods are broadly utilised in sewage remedy,
pneumatic conveying,vacuum packaging, aquaculture, food processing, electrical energy, petrochemical, cement,
mining and other industries. Our products have this sort of benefits as minimal sound, strength conserving, steady good quality,
and extended support existence, etc.. With the product sales outlets throughout the domestic money cities, our items promote nicely all
more than the region, 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
recognized and improved the quality assurance of the merchandise creating, producing, and set up.
From the procedure of layout, investigation and improvement to the completed items, we have acquired the entire
process managed independently, as a result offering the complete foundation and trustworthiness ensure for the items stability
and durability. Getting a perfect sales network and soon after-product sales support, we provide our consumers with larger-
good quality and a lot more efficient services.All workers of our business sincerely welcome the wide masses of pals to
guide, and negotiate business with us.

Our Roots Blower Workshop

         Doosn Horzitonal CZPT Center

The Software of the Roots Blower

Servicing and inspection
(one) Check out all fasteners and locating pins situations regardless of whether they are loosening.
(2) Often verify whether the leakage phenomenon of the entire body.
(3) Shell out focus to lubrication, amount of grease and noises when operating,
figure out whether or not it works underneath the required problems.
(4) CZPT & 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 (artificial lithium grease penetration 220-250, drop point ≥
190ºC). Change the lubricant and grease following first two hundred several hours working, and substitute
again right after a moth working. Later, replace the lubricant and grease according to the
environment and lubricant (grease) quality suggest a appropriate substitute for a few
(five) Usually check the inlet air filter, thoroughly clean or replace the filter in time.
(6) Blower overload at times not immediately shown, so pay out consideration to
the intake and exhaust strain, bearing temperature and the current improve traits
of motor to determine whether the blower operates normally
(7) Before disassembling the blower, the assembling relation and dimensions
must be recorded or calculated, make marks on elements to make certain the CZPT
needs following assembling.
(8) When freshly device or overhaul, the oil tank ought to be cleaned prior to use
and propose replace all grease right after 8 hours operating.

Widespread failure explanation and troubleshooting

No Failure Achievable reasons Elimination strategies
one Friction
between the
(1) Impurities on the impeller,
resulting in the hole is way too tiny
(two) Equipment use, resulting in a
big backlash
(three) The equipment is not effectively fastened,
can not maintain the impeller
(4) Bearing wear ensuing in
clearance rising.
(one) Remove dust and check out
whether there is harm parts
(two) Change the equipment hole, substitute
the gears if the gear backlash is
better than the common thirty% to
(3)Re-assemble the gears, keep
the taper make contact with area is to seventy five%
(four)Exchange the bearing
2 Collision
impeller and
wall, the
impeller leading
and casing
(one) Installation gap is not correct
(2) operating force is as well
higher, exceeding the specified
(3) Functioning temperature is also substantial
(four) Casing or foundation deformation,
positioning enthusiast failure
(five) Bearing axial area is not excellent
(1) Modify the gap
(two) Discover leads to of
overloading, lowered the pressure
to the specified worth
(3) Verify the set up
precision and reduce the pipe
(four) Examine and restore bearings,
and to guarantee the clearance
three Temperature
way too higher
(1) Oil in tank is too significantly, as well
thick or also soiled
(2) CZPT or silencer is blocked
(3)The strain is larger than
the specified price
(4)Too much put on of the
impeller, big hole
(five)Poor ventilation, indoor
temperature is higher, resulting in
inlet air’s substantial temperature
(six) The rotating velocity is as well minimal,consequence in the belt slipping.
(1)Decrease the oil amount or depend on
(2)Eliminate of blocking objects
(three)Lowering the strain by way of
the blower
(four)Repair its clearance
(5)Open up vents to minimize area
(six) Improve pace to avert the
belt slipping.
4 Inadequate
(1) The inlet filter is blocked
(two) Impeller use and the gap
raises too significantly
(three) Belt slipping
(4) Massive imports force reduction
(five) CZPT air flow leakage
(one) Clean the filter dust and
(two) Fix the hole
(three)Tighten the belt and increase
the variety of belts
(4)Modify the inlet pressure to the
specified value
(5) Check out and mend the pipeline
five Oil leaking or
oil leaking
into the enclosure
(one)Substantial tank place trigger
leakage from the discharge port
(two) Seal wear, resulting in shaft oil spills
(three) The force is higher than
the specified value

(1)Decrease the oil degree
(2)Change the seals
(3)Very clear the air vents, 2mm diameter faucet is mounted in the
center chamber, open the faucet
under the wall
six Abnormal
vibration and
(1)Bearing clearance exceeds the
specified price or bearing put on
(2) The gear backlash is also
massive, not in a limited fastened
(3) The international objects and dust
induced by the impeller and the
impeller, the impeller and the
housing collision
(4) the impeller shaft
deformation brought on the collision
brought on by overload,
(five) Friction in between the impeller
and the inlet housing induced by
(six) Unbalance of the impeller
triggered by fouling or international
human body
(7) CZPT bolts or other
fasteners are loosened
(1)Exchange bearings or bearing
(2)Reassemble equipment and make certain
(3)Cleaning blower, check out the
case is broken
(4)Check the back pressure, check out
the wheel and modify hole
(five)Verify the filter and back
pressure, increase the gap
among the impeller inlet and the
(6)Clean the impeller and the
casing, to make certain that the impeller
clearance perform
(seven) Tighten the anchor bolts and
leveling the foundation.
seven Motor
(one)When compared with the required
strain, the stress difference
is huge that the again stress or
the inlet strain is substantial
(2) In contrast with the
products specifications, blower
circulation is way too big, so its pressure
will increase
(3)Inlet filter is blocked, or outlet
pipe is obstructed or blocked
(four) Collusion or friction (stuck)
rotating parts
(five) The oil amount is also high
(6) Narrow V-belt is overheat,
vibration is as well big, or pulley
is as well little
(1) Lessen the pressure to the
specified value
(2) Exhaust the excess fuel into
the atmosphere or minimize the
blower speed
(3) Get rid of the obstructions
(four)Instantly shut down, examine
the reason
(5) Alter the oil to the right
(six) Verify the belt stress, and
changed it with large diameter

Our Support

1. Pre promote service                                                                              2. Following sell service                                          
a. recommend the ideal model                                             c. on-line complex assist,                                                                                   
b. manufacturing facility tour                                                                              d. complete existence spare parts and techinical support


twelve months gurantee for our roots blowers

Anti Corrosion Roots Blower for Fishery, Pheumatic, Mvr


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