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 (r/min) |
Strain Rise (Kpa) |
Ability (m/min) |
Shaft Electrical power (Kw) |
Motor | Unit Maximn Fat(Kg) |
Electricity (Kw) |
||||||
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 | 20.one-117.three | thirty-132 | 1490-2454 |
ESR-300 | 990-1480 | nine.eight-fifty eight.eight | 87.1-138.one | 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 | 63.seven-ninety 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 | 4.09-10.one | 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 | 63.seven-ninety eight | 25.34-56.ninety two | forty two.34-120 | 55-132 | 1426-1934 |
ESR-250H | 990-1480 | sixty three.seven-98 | 58-93.seven | eighty three.two-205 | 90-220 | 2980-3468 |
ESR300H | 990-1480 | 63.7-98 | 86.nine-134.one | 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 | 229.seven-327.eight | 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 | nine.8-63.seven | 327.four-452.four | seventy eight-529 | 90-560 | 12790-14620 |
ERF-240-V | 650-980 | -nine.eight- -forty nine | 38.one-78 | 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 |
ETRF-250 (240,250) |
650-980 | 98-196 | sixty four.8-112 | 135-355 | 160-four hundred | 8700-8600 |
ETRF-295 (245,295) |
650-980 | ninety eight-196 | eighty.eight-139 | 167-439 | 185-500 | 9200-9100 |
ETRF-300 (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-400 (300,400) |
590-740 | ninety eight-176.four | 205-273 | 380-773 | 450-900 | 21350-24200 |
ETRG-450 (350,450) |
590-740 | ninety eight-176.4 | 263-428 | 476-955 | 560-1000 | 24200-27600 |
ETRF-250W (240,250) |
650-980 | -fifty three.3–80 | 72-121 | 75.6-121 | 90-one hundred sixty | 6100-6470 |
ETRF-295W (245/295) |
650-980 | -53.3–eighty | ninety three.8-154 | ninety nine.five-186 | a hundred and ten-220 | 7000-6400 |
ETRF-300W (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
months.
(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 impeller |
(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 synchronization (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 fifty% (three)Re-assemble the gears, maintain the taper get in touch with region is to 75% (four)Exchange the bearing |
two | Collision between impeller and wall, the impeller best and casing |
(1) Set up hole is not correct (2) functioning pressure is also higher, exceeding the specified benefit (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 pressure (4) Check and fix bearings, and to make sure the clearance (5)Relocation |
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 oil (2)Take away of blocking objects (3)Lowering the pressure via the blower (four)Restore its clearance (5)Open up vents to minimize room temperature (six) Increase velocity to stop the belt slipping. |
four | Inadequate movement |
(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 obstruction (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 sound |
(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 overheating (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 seat (2)Reassemble equipment and guarantee backlash (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 casing (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 overload |
(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 increases (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 amount (6) Examine the belt rigidity, and replaced it with large diameter pulley. |
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
Gurantee
twelve months gurantee for our roots blowers