Rotary vane vacuum pumps offer a simple design that ensures...
ROTARY POSITIVE DISPLACEMENT BLOWERS
From Pneumatic Conveying to Process Gas boosting to Dairy Milking, M-D Pneumatics has a blower solution for your application. PD Plus blowers are a heavy-duty, high-pressure industrial blower and are renowned for their quality, dependability, and outstanding performance. CP Series blowers are rated up to 18 PSIG and offer standard features that save hundreds in maintenance costs. Equalizer blowers offer distinct advantages such as reduced noise, drop-in replacement, and field convertible flow configuration to provide ultimate installation flexibility. Click on the blower options below to select the perfect solution for your application or contact M-D Pneumatics for advice from our blower experts. For more information, call 02-168-3193-5 #109 or add Line ID: @multiphase (available 24 hours a day)
ROTARY POSITIVE DISPLACEMENT BLOWERS
Equalizer DF Blowers
The M-D Pneumatics Equalizer DF blower is designed to be interchangeable with equivalent models from competing manufacturers. This blower offers distinct advantages such as a one-piece housing in a compact design, helical gearing to reduce noise, higher pressure capability (18 PSIG on most models), drop-in replacement, and field convertible flow configuration simply by rearranging oil breathers, drains, and changing the mounting feet.
- Higher Pressure Capability: Most models are rated to 18 PSIG discharge pressure.
This provides you with an increased level of security due to built-in safety factors. - Designed for True, Drop-in Replacement: Dimensionally interchangeable with
competing models, even to the point of matching the port connector bolt patterns. - Helical Gearing: Helical gearing reduces backlash and mechanical noise as
compared to spur gears offered by other manufacturers. - Rotors with Integral Shafts: Precision machined and dynamically balanced ductile
iron rotors with large, integrally cast shafts to provide single, unitized rotors to
prevent clash as a result of the impeller moving on its shaft. - Positive End Clearances: End clearances are positively established (versus floating)
at the blower gear end, eliminating the risk of shifting end clearances that reduce
unnecessary rotor and end plate wear. This design improves flow performance and
extends overall blower life. - Polished Sealing Surfaces: All shaft surfaces in contact with sealing members are
polished to reduce seal wear and risk of leakage.
Equalizer RM Blowers
The M-D Pneumatics EQUALIZER RM rotary positive displacement blower
offers many distinct advantages, such as a one-piece housing in a compact
design, helical gearing to reduce noise, 4.5” & 6” gear diameters, bi-rotational
rotors with integrally cast shafts, and field convertible flow configuration.
- Helical Gearing: Blowers are timed with precision helical gears which reduces backlash
and mechanical noise as compared to spur gears offered by others. Keyed interference
fit reduces the risk of slippage of the gear on the shaft and loss of timing, one of the
leading causes of blower failure. - One-Piece Housing: Blower includes a housing constructed of a single piece of precision
machined cast iron, rather than a two-piece housing which is subject to misalignment
and loss of operating clearances. - Rotors with Integral Shafts: Blowers include precision machined and dynamically
balanced ductile iron rotors with large, integrally cast shafts to provide a single unitized
rotor to prevent clash of the impeller moving on its shaft. - Metric Availability: Blowers are available with metric drive shaft and process connections.
PD Plus Blowers 3200
Model 3200 PD PLUS heavy duty industrial blowers are designed for high performance applications, up to 15 PSI pressure or 17” Hg dry vacuum (24” Hg water injected).
All models have sight glasses as a standard feature.
- Standard Model
This model’s applications include pneumatic conveying, wastewater treatment, and the general process industry where high pressure, high volume air is required. Seal areas are vented to atmosphere to relieve process pressure against the internal lip seals, and to provide oil-free air. - Single Envelope Gas Service
This series is utilized in such applications as closed loop pneumatic conveying, process gas handling, or elevated pressure applications up to 100 PSIG discharge. Vent openings are tapped and plugged to prevent gas leakage. These fittings can also accept an inert gas purge for positive
containment of the process gas. - Double Envelope Gas Service
Built to laboratory standards where virtually complete sealing is required. In addition to the features shown on the Single Envelope Gas Service series, the drive shaft is mechanically sealed and the oil sumps are plugged to provide an even higher degree of leakage protection. - Optional Cooling Coils
All vertical flow 3200 PD PLUS models are available with cooling coils to provide cooling of lubricating oil with less than 0.5 GPM cooling water for high performance applications.
PD Plus Blowers 4000
Model 4000 PD PLUS heavy duty industrial blowers are designed for high performance applications, up to 18 PSI pressure or 17” Hg dry vacuum (24” Hg water injected). All models have sight glasses as a standard feature.
- Vertical & Horizontal Standard Lip/Lab Seals
This series has wide application in pneumatic conveying, wastewater treatment, and the general process industry where high pressure, high volume air is required. Seal areas are vented to atmosphere to relieve process pressure against the internal lip seals, and to provide oil-free air. - Vertical & Horizontal Single Envelope Gas Service
This series is utilized in such applications as closed loop pneumatic conveying, process gas handling, or elevated pressure applications up to 100 PSIG discharge. Vent openings are tapped and plugged to prevent gas leakage. These fittings can also accept an inert gas purge for positive containment of the process gas. - Vertical & Horizontal Double Envelope Gas Service
This series is built to laboratory standards where virtually complete sealing is required. In addition to the features shown on the single envelope series, the drive shaft is mechanically sealed and the oil sumps are plugged to provide an even higher degree of leakage protection.
PD Plus Blowers 7000
Model 7000 PD PLUS heavy duty industrial blowers are designed for high performance applications, up to 18 PSIG pressure boost or 17” Hg dry vacuum (24” Hg water injected).
- Vertical & Horizontal Air Flow
This series has wide application in pneumatic conveying, wastewater treatment, and the general process industry where high pressure, high volume air is required. Seal areas are vented to atmosphere to relieve process pressure against the internal lip seals, and to provide oil-free air. - Vertical & Horizontal Single Envelope Gas Service
This series is utilized in such applications as closed loop pneumatic conveying, fuel or process gas handling, or elevated pressure applications up to 100 PSIG discharge. Vent openings are tapped and plugged to prevent gas leakage. These fittings can also accept an inert gas purge for positive containment of the process gas. - Optional Cooling Coils
Optional cooling coils available to provide cooling of lubricating oil with less than 1 GPM cooling water for high performance applications where external lubrication is not desired or practical. - Flexibility by Design
Detachable mounting feet allow field conversion from horizontal to vertical flow, or vice versa without additional components. - Maximum Efficiency
Includes extended tip rotor profile for increased displacement and operating efficiency versus any other blower in its class.
CP Series
CP Series rotary blowers are designed to be interchangeable with equivalent sizes of Roots
Universal RAI®, and many Sutorbilt® Legend® blowers. CP Series models are rated up to 15 PSIG discharge pressure or 16” Hg dry vacuum. All models have sight glasses and triple lip seals as standard features.
- Reduced Noise Versions Available
CP Series standard models feature a bi-lobe design. Many models are available with tri-lobe rotors and a specially tuned housing to reduce blower noise. - Triple Lip Seals
Standard on all models, triple lip seals provide improved lubrication to extend the life of the seal up to 50% also resulting in longer bearing life. - Helical Gearing
CP Series blowers are timed with precision helical gears, keyed to the rotor shafts, not taper fit spur gears as offered by other manufacturers, which have greater backlash, can slip and lose timing. Helical gears are also quieter, reducing mechanical noise. - Stronger Bearings
All CP Series blowers include double-row ball bearings at the gear end, stronger than single row ball bearings offered by other manufacturers. Drive shaft bearing is cylindrical roller type for additional strength against side loading from V-belt drives. As a result of this superior design, CP Series blowers offer design bearing life as much as 50% greater than models offered by
other manufacturers. - Rotors with Integral Shafts
CP Series blowers include precision machined ductile iron rotors with large, integrally cast shafts, not press fit and/or pinned shafts offered by other manufacturers, which can loosen over time and cause rotor clash. - Versatility
CP Series blowers can be field converted from horizontal to vertical flow, or vice versa, without any special tools or additional components.
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