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The Duragas Series Overview

source link Roots Systems Ltd manufactures its own compressors: the Duragas series, for handling process gases.

conocer mujeres extranjeras gratis The Duragas series is designed and built for process applications in a wide variety of sizes, materials and sealing arrangements suitable for a wide range of gases, including corrosive, flammable, radioactive and toxic.

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Two-stage Duragas Compressor (Tandem Arrangement)

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enter Duragas compressors can be designed for low-temperature (‘cryogenic’) and low-pressure (vacuum) applications as well as high.

go to link We can supply compressors that can operate at pressures over 150 bar (2175 psi). Our single-stage Duragas machines can generate differential pressures up to 4½ bar (65 psi).

We supply multi-stage packages for higher differential pressures.

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24option hotline High Inlet Pressure: 94 barg (1363 psig) Operating, 162 barg (2360 psig) Design, ASME B16.5 Class 1500 Flanges.

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How to send money online using debit card High Differential Pressure: Single Stage, 3 bar (43.5 psi) Operating Differential

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Download the Duragas series brochure

Features of the Duragas Series

Rotors and Shafts

Two rotors, mounted on horizontal shafts, will rotate in opposite directions through a pair of timing gears. The profile and finish of the rotors will be such that accurate clearance will be maintained between the two and between rotors and castings. Each rotor is of unit construction with an integrally cast shaft. All rotors are statically then dynamically balanced after final machining.

Bearings

Each rotor is mounted in a cylindrical roller bearing at the non-drive end to allow for axial expansion of the rotors and a double-row, deep-groove ball bearing at the drive (fixed) end. Blower bearings are of the anti-friction type with adequate axial thrust compression. The bearings are as close as practicable to the impeller to give maximum rigid support and eliminate any tendency to deflection. Bearing life (B10) is rated in excess of 50,000 hours.

Interspaces

A large and wide gas space will be provided in the end covers between the inner/gas seals and the bearing lubrication oil seals. This interspace volume will be provided to guarantee no lubricating oil can migrate into the process gas stream.

Integral Gears

Heavy-duty timing gears have single, helical teeth, precision manufactured so as to maintain the relative position of the rotors and to ensure quiet operation and minimal backlash. The gears are clamped for easy replacement and timing adjustment. For high-speed operation, a forced (pressurised) lubrication system can be provided.

Integral Lube Oil Sump

A splash lubrication system is employed. Oil will be distributed to the gears and bearings while in the sump. The lubrication system will be completely self-contained and normally requires no attention apart from checking the oil level and periodic oil changes.

Casings

Casings are provided with flange drilling to suit the application. Full flanges are available if required.

For anything not listed, please consult with us: sales@roots-blowers.com

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