Rotary Lobe Blowers TYR WT Series

Rotary Lobe Blowers TYR WT 0100 - 0730 BV/BP

Tyr WT rotary lobe blowers were developed by Busch as modern high-performance vacuum and overpressure generators. They have established new standards of noise levels, compactness and efficiency.

The robust construction and outstanding manufacturing quality of Tyr WT rotary lobe blowers ensure outstanding reliability and durability. Constant pressure differentials in both vacuum and overpressure applications at medium and high pumping speeds are guaranteed.

Tyr WT rotary lobe blowers are available as vacuum or overpressure generators, with conversion possible at any time. Six sizes are available, with a range of motors and speed control, allowing the optimal configuration to match every application.

Tyr WT rotary lobe blowers achieve high levels of energy efficiency due to their IE3 class motors and flow-optimized blower stages. The innovative acoustic insulation concept with integrated inlet and discharge silencers reduces noise emissions by up to five dB(A) in comparison to blowers of similar output, depending on the particular version. The optional acoustic enclosure can reduce noise levels by an additional 10 to 20 dB(A).

Due to the contact-free operating principle, no fluids are required in the compression chamber. Operating pressure, filter condition and the gear oil level are displayed by instruments mounted on the unit housing or acoustic enclosure. The tension of the drive belt between the motor and blower stage is maintained automatically, thus eliminating almost entirely the inconvenient task of adjusting V-belts. Annual servicing is confined to the simple inspection of the V-belt tension and replacement of the filter and gear oil.

Technical specifications 
Three-bladed Tyr WT rotary lobe blowers for vacuum and overpressure operate according to the proven Roots principle: Two rotary lobes are mounted in parallel within the unit housing and operate in opposite directions. The rotation of the lobes traps the pumped medium and transports it to the outlet, where it is discharged. A silencer with an integrated filter is fitted to the inlet side. After compression, the pumped medium is discharged through an outlet silencer. The blower is driven by an electric motor with V-belt transmission, which allows the blower speed to be regulated precisely. The high quality of the V-belts makes this the ideal form of power transmission. Standard motors can be fitted with a speed control unit for optimal response to changing demand.

Accessories / Technical options 
• C4 corrosion protection version
• Anti-corrosion coating for blower stage
• Acoustic enclosure
• Pulsation silencer without absorption material
• Flame arresters

Technical data Tyr WT 0100 BV/BPTyr WT 0150 BV/BPTyr WT 0280 BV/BPTyr WT 0390 BV/BPTyr WT 0600 BV/BPTyr WT 0730 BV/BP
Volume flow m3/min 2.5 - 10.0 3.7 - 15.0 5.1 - 28.0 7.1 - 39.0 12.0 - 60.0 15.4 - 73.0
Max. pressure differential, vacuum version (BV) hPa (mbar) - 500 - 500 - 500 - 500 - 500 - 500
Max. pressure differential, overpressure version (BP) hPa (mbar) + 1000 + 1000 + 1000 + 1000 + 1000 + 1000
Nominal motor rating kW 0.75 - 22.0 1.1 - 37.0 1.5 - 55.0 2.2 - 75.0 4.0 - 90.0 5.5 - 110.0
Speed of Roots blower min-1 1150 - 4700 1150 - 4700 850 - 4700 850 - 4700 750 - 4050 750 - 3550
Weight approx. (with acoustic enclosure) kg 295   535 561 1014 1053
Dimensions (with acoustic enclosure, L x W x H) mm 800 x 1177 x 1082 800 x 1177 x 1082 1050 x 1289 x 1302 1050 x 1289 x 1302 1450 x 1780 x 1732 1450 x 1780 x 1732
Gas inlet / outlet (Ø) mm 114 114 159 159 219 219
Weight approx (with acoustic enclosure) kg   312      

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