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 (r/min) |
Pressure Rise (Kpa) |
Capacity (m/min) |
Shaft Electrical power (Kw) |
Motor | Device Maximn Excess weight(Kg) |
Power (Kw) |
||||||
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 | 20.one-117.3 | thirty-132 | 1490-2454 |
ESR-300 | 990-1480 | 9.8-fifty eight.8 | 87.1-138.one | 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 three.seven-ninety eight | .seventy eight-two.53 | two.89-seven.55 | four-11 | 198-230 |
ESR-80H | 1140-1900 | 63.seven-ninety eight | one.82-four.55 | four.09-ten.one | five.five-15 | 316-326 |
ESR-100H | 1060-1980 | sixty three.seven-98 | 2.65-eight.06 | 6.36-17.two | 7.5-22 | 398-459 |
ESR-125H | 980-1850 | 63.seven-98 | 4.sixty four-eleven.23 | 8.ninety two-24.2 | eleven-thirty | 544-630 |
ESR-150H | 810-1730 | 63.seven-98 | nine.53-25.seventy six | 17.sixteen-sixty five | eighteen.5-75 | 752-1571 |
ESR-200H | 810-1480 | sixty three.seven-98 | 25.34-56.92 | forty two.34-a hundred and twenty | fifty five-132 | 1426-1934 |
ESR-250H | 990-1480 | 63.seven-ninety 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 one.5-188.seven | 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 | 203.one-290.nine | fifty two-449 | 75-500 | 10090-11390 |
ERG-445 | 590-730 | nine.eight-seventy three.5 | 229.seven-327.8 | 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 | 38.one-seventy 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 |
ETRF-250 (240,250) |
650-980 | 98-196 | 64.eight-112 | a hundred thirty five-355 | a hundred and sixty-four hundred | 8700-8600 |
ETRF-295 (245,295) |
650-980 | ninety eight-196 | eighty.8-139 | 167-439 | 185-500 | 9200-9100 |
ETRF-300 (245,295) |
650-980 | ninety eight-176.four | 102-174 | 206-497 | 250-560 | 10320-10500 |
ETRF-350 (245,295) |
650-980 | 98-137.two | 124-207 | 241-473 | 280-560 | 10700-11110 |
ETRG-400 (300,400) |
590-740 | ninety eight-176.4 | 205-273 | 380-773 | 450-900 | 21350-24200 |
ETRG-450 (350,450) |
590-740 | 98-176.four | 263-428 | 476-955 | 560-1000 | 24200-27600 |
ETRF-250W (240,250) |
650-980 | -fifty three.3–eighty | seventy two-121 | seventy five.six-121 | 90-160 | 6100-6470 |
ETRF-295W (245/295) |
650-980 | -53.three–80 | 93.eight-154 | ninety nine.5-186 | a hundred and ten-220 | 7000-6400 |
ETRF-300W (2505/300) |
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
months.
(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 impeller |
(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 synchronization (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 fifty% (3)Re-assemble the gears, keep the taper make contact with area is to seventy five% (four)Exchange the bearing |
2 | Collision among impeller and wall, the impeller leading and casing |
(one) Installation gap is not correct (2) operating force is as well higher, exceeding the specified price (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 tension (four) Examine and restore bearings, and to guarantee the clearance (5)Relocation |
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 oil (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 temperature (six) Improve pace to avert the belt slipping. |
4 | Inadequate stream |
(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 obstruction (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 noise |
(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 overheating (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 seat (2)Reassemble equipment and make certain backlash (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 casing (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 overload |
(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 amount (six) Verify the belt stress, and changed it with large diameter pulley. |
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
Gurantee
twelve months gurantee for our roots blowers