Air delivery twin lobe roots blower manual inlet filter. Roots universal rai gas rotary positive gas blowers are a design. Technical supplement or uraig blowers 8 troubleshooting. Roots systems has been supplying rotary lobe compressors since 1974. Roots universal rai rotary positive displacement blowers specificationsframes 22 thru 718 basic blower description universal rai blowers are heavy duty blowers designed with detachable rugged steel mounting feet that permit easy infield adaptability to either vertical or horizontal installation requirements.
The roots ras rotary lobe blower is a positive displacement unit. All models feature the universal mounting feet which allow it to be mounted in four different configurations. Do these things to get the most from your roots blower. Provided, as standard equipment on all of our blower packages is a mechanical relief valve, which is factory set at or below the pressure or vacuum limit of the specific blower. Chemical industry roots rotary lobe blower, aeration twin lobe air blower name. The range of robuschi rotary lobe blowers has been reinvented, focusing on delivering exacting customer requirements.
Today, roots blowers are mainly used as air pumps in superchargers for internal combustion engines. The uraij tm blower offers vacuums to 15 hg 1034 mbar, pressures to 15 psi 1034 mbar, with flows from 50 to 600 cfm 85 to 1020 m 3 hr. If with all the bearing and the gears showing the teeth are melted and have turned blue some stage of deterioration. All units are equipped with an effective splash oil lubrication system. Used roots dresser rotary lobe blower 1016 ras whispair 112 hg vac 1800 rpm used roots dress rotary lobe blower designation. It is notable for the roots blower, a type of pump. Positive displacement blowers enviroequipment, inc. The easyair rotary system is a costeffective factory designed blower package available for a variety of industries and applications, especially wastewater treatment, pneumatic conveying and air needs. Dresser roots 45 urai vacuum blower 45 urai blowers.
Intec manufacturing insulation blowing machines since 1977. Twin lobe rootsrotary blowers repair and repairing works. The key to the breakdown of the oil will reveal a blower determine this type of failure is the gears. For roots blowers, roots recommends using their own brand of oil. Roots products are sold subject to the current general terms of sale, es104 and warranty policy wp5020. User manuals, howden blower operating guides and service manuals. Sunco blowers headquarters 1683 rock hill hwy lancaster, sc 29720 phone. Roots systems is the worlds leading manufacturer of blower, booster and vacuum pump packages for process industries, both onshore and offshore, using api standard 619 rotary lobe gas compressors manufactured in our factory in the uk. Assembly of urai dsl blowers with splash lubricated drive end 35 gear diameter. Since 1854, we have been continuously manufacturing and developing the rotary positive displacement blowers under the industry respected name roots tm. The npt connection is 2 inches with a shaft diameter of 0. The roots universal rai dsl dual splash lubricated heavyduty rotary blowers are designed with detachable, rugged steel mounting feet that permit easy infield adaptability to vertical or horizontal installation requirements. It is more commonly known as a roots type blower, named after philander higley roots and frances marion roots, the brothers who invented it. Hr 80 roots type blowers hr blowers positive displacement.
The roots air blowers described in this manual represent both the basic type of roots antifriction system ras rotary lobe arrangement and the proprietary roots ras whispair design, with gear diameters ranging from 10 to 20 inches. This model features mechanical seals that virtually eliminate leakage. See details new dresser roots rotary lobe blower model 85 17315 new. Dresser roots 33 urai vacuum blower hydramaster phy111020 6510502 replaces 3003 and 3mp 33 urai dresser roots 47 urai dsl dual splash crankcase blower 47 urai dsl dresser roots 36 urai dsl vacuum blower pump for hydramaster truck mounts crossfire 3. Roots uraij whispair blowers are available in 5 different models. The npt connection is 2 inches with a shaft diameter. Range of roots urai g blower frame sizes available.
The hr hr80 range of bi lobe roots type positive displacement blowers are manufactured in seven frame sizes with capacity ranging from 127 to 37,200 m3hr and pressures from 0 to mbarg. A wide variety of roots rotary lobe blower options are available to you, such as high pressure, medium pressure, and low pressure. Universal rai series all universal rai urai series blowers are heavy duty rotary blowers in a compact, sturdy design engineered for continuous duty and maximum reliability. Roots rotary lobe positive displacement blowers universal rai series ram series. Grease lubrication on the drive end and oil lubricated on the gear end. The universal rai series provides versatility and rugged construction, making it especially desirable for wastewater aeration applications. Two figure 8 lobe impellers, mounted on parallel shafts, rotate in opposite directions. For your nearest roots office, dial our customer service hot line toll free. Roots rotary lobe positive displacement blowers universal rai series ram series rcs series dvj and dpj series bi lobe principle urai, uraidsl, uraig, ram, rcs series two figureeight lobe impellers mounted on parallel. Roots reserves the right to make design or material changes without notice, and without obligation to make similar changes on equipment of prior manufacture. Roots positive displacement blowers are used extensively in wastewater treatment. Today, we produce robust, heavyduty bi lobe or tri lobe designs that deliver reliable performance with innovative whispair technology for low noise, low pulsation compression.
Field service trouble shooting manual 7 e v e r e s t roots blowers breakdown while the other end is damaged. Universal rai series all universal rai urai series blowers are heavy duty rotary blowers in a compact, sturdy design. A roots blower pump is a positive displacement rotary lobe pump that operates by pumping a fluid with a pair of meshing lobes not unlike a set of stretched gears. Dsl rpd blowers the roots universal rai dsl dual splash lubricated heavyduty rotary blowers are designed with detachable, rugged. This protects the blower from overheating because flow is decreasing if a line. As each impeller passes the blower inlet, it traps a definite volume of air and carries it around the case to the blower outlet, where the air is discharged. Roots universal raig rotary positive gas blowers are a design extension of the. It has two doublelobe impellers mounted on parallel shafts and rotating in opposite directions within a cylinder closed at the ends by headplates. Dresser roots 45 urai vacuum blower 45 urai blowers and. For better assistance with ordering model 33 urai please contact air blower. Learn what a roots blower is robuschi by gardner denver. Share dresser roots 33 urai 33urai rotary blower vacuum pump.
No part of this manual may be reproduced in any form, or by any means without prior written. Dresser roots 33 urai 33urai rotary blower vacuum pump for. Positive displacement blowers pd blowers, roots blowers. History the companys origins can be traced back to the 1930s when one of the early manufacturers of roots type. The most common blower failure is due to lack of roots.
Air delivery twin lobe roots blower manual inlet filter and. Roots 651050gl 33 urai gas rotary lobe blower ims supply. Roots ram blowers are available in 8 different models. Any urai and whispair max blowers built previous to august 2016 have. Roots universal rai blowers urai hr blowers positive. Roots universal rai urai the roots blower urai unit is available in 17 different models. Roots universal rai rotary positive blowers frames 22 thru 718. Feb, 2016 the standard urai blower offers vacuums to 16 hg 542 mbar, pressures to 15 psi 1034 mbar, with flows from 2 to 2370 cfm 3.
Very cost effective design pressures to 15 psig 1034 mbar vacuums to 16 hg 539 mbar flows to 2370 cfm 4026 m3hr available with metric drive shaft and pipe connections. Howden roots reserves the right to make design or material changes without notice, and without obligation to make similar changes on equipment of prior manufacture. Operation and maintenance global treatment solutions. Roots universal raigas rotary positive gas blowers are. Installation, operation, and maintenance instructions. Information in this manual is correct as of the date of publication.
Dresser roots 33 urai 33urai rotary blower vacuum pump. All urai blowers share common design features that are original to roots and have been continually developed from years of field experience. By virtue of our 33 years of experience with roots, the best blower team has earned their trust in representing the howden roots brand. The most common blower failure is due to lack of roots blower. It was founded in 1859 by the inventors philander higley roots and francis marion roots. Versions include ram, ramj quieter and ramgj for gas. Technical supplement for 32, 33, 36, 42, 45, 47, 53, 56.
Sunco blowers blower manuals, blower sunco blowers. How to lubricate a roots universal rai conventional rotary positive displacement blower. We launch the new robox blower unit concept, a cuttingedge solution that can accommodate rotary lobe and screw technologies to provide users with greater choice than ever before in helping meet their industrial air and gas needs. Coat internal surfaces of air box and rotors with a petroleum based product. Internal and external rotating parts of the blower and. Roots universal rai rotary positive displacement blowers. Two figureeight lobe impellers mounted on parallel shafts rotate in opposi. Cover inlet and discharge with plastic for longterm storage over 1 month 4. The package provides easy access to vbelts, filters, oil fill and oil drain points. Also, lithiumbased grease is not approved for any roots blower. Roots universal rai blowers are warranted for two years plus an additional.
We are providing repair and services on all brands of positive displacement blowers, twin lobe blowers, tri lobe blowers, and vacuum pumps. As each impeller passes the blower inlet, it traps definite. Jan 25, 2017 rootstm universal rai rotary positive blowers frames 22 thru 718 two figureeight lobe impellers mounted on parallel shafts rotate in opposite directions. The rotary lobe compressor is a variant of rotary type positive displacement compressor. Balanced, precision machined bi lobe impellers ground steel shafts ge s27s03 ge s27s03 urai dsl blowers.
Chemical industrial roots rotary lobe blower air capacity. Fluid is then trapped in pockets surrounding the lobes and carried from the intake side to the exhaust. Important oil must be drained and refilled with the proper lubrication and level before operation. The gardner denver sutorbilt legend line of rotary positive displacement lobe blowers and vacuum pumps are the result of more than 75 years experience in the design, manufacture and support of superior industrial blower equipment. The unit is centertimed so that it may be operated in either direction.
Any urai or whispair max blowers built on or after august 1st, 2016 serial numbers beginning with 1608a and later require roots synthetic grease. Roots systems has been supplying rotary lobe compressors since 1974 roots systems excels in the design and assembly of custom packages for challenging. Urai, uraidsl, uraij, uraijdsl, uraig manual, spanish dresser 2002 specifications. The roots blower company was an american engineering company based in connersville, indiana. Urai dsl dual splash lubricated blowers roots universal. J open the manual unloading valve in the discharge air line. For better assistance with ordering model 33 urai please contact air blower services. The hr range is aimed predominantly at industrial, agricultural, transport and water treatment applications such as aeration, agitation, pneumatic. Range of roots urai j blower frame sizes available. It is purple in color and should not be mixed with any other grease. Please refer to the installation and operation manual for more technical information about model 33 urai.
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