TWINRO TWIN SCREW PUMPS
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Catalog excerpts

TWINRO TWIN SCREW PUMPS - 1

TWINRO TWIN SCREW PUMPS

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TWINRO TWIN SCREW PUMPS - 2

With decades of experience in designing and manufacturing rotary positive displacement pumps, Celeros Flow Technology’s Plenty Mirrlees Pumps have built an excellent reputation for reliable pumping equipment for the marine, oil processing, petrochemical processing, power generation, defense, sugar and general industries. With Plenty Mirrlees Pumps, Celeros Flow Technology has a solution for most pumping applications with a range that includes two screw (TWINRO), three screw (TRIRO) and our 2000 series vane pumps incorporating the unique variable flow feature. TWINRO TWIN SCREW PUMPS Plenty...

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TWINRO TWIN SCREW PUMPS - 3

TYPICAL PUMP SECTIONAL DRAWING TYPICAL PRODUCT APPLICATIONS ANY BULK TRANSFER OF LIQUID SUCH AS: Pipeline and Process Flow Requirements Ships Bunkering Ships Liquid Cargo Pumping Bilge and Ballast Pumping Distribution in Liquid Marketing Terminals • Relief Valve Design Operation:The valve is of the disc type with an attached dashpot and spring. Under normal operation a very small proportion of liquid from the pump discharge leaks past the clearances between the skirt and cylinder (Fig 1). To prevent pressure building up the liquid drains back to suction through orifice ‘O’. Under pressure...

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TWINRO TWIN SCREW PUMPS - 4

PRODUCT BENEFITS AND FEATURES • Accurate screw profile (High volumetric e�ciency) • No contact between intermeshing screws • Individual pitch selection For precise flow rate matching • Various Mechanical Seal Options Customer choice of mechanical seal and seal type for plant standardization. Elastomer Bellows / Positive Drive Standard Component or Cartridge Design • Full flow relief valve. Dashpot design (Rapid opening, damped closing) No destructive pressure surges. Added safety. Smooth operation. Lower power Single Row Sealed Ball Bearing • Fully machined one piece fabricated baseplate...

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TWINRO TWIN SCREW PUMPS - 5

CONSTRUCTION FEATURES - STANDARD CONSTRUCTION (SC) AND SPECIAL ORDERS (SO) • Casing and Covers SC: Cast Iron/Cast Steel SO: S.G. Iron/Stainless Steel • Mounting Orientation SC: Horizontal Foot Mounted SO: Vertical Free Standing SC: Carbon Steel SO: Stainless Steel • Relief Valve SC: Integral with Pump SO: Blanked off (for System Relief Valve) Relief Valve Jacking Device SC: Fabricated Steel SO: Drip Rim Drain and Grout facility on steel base SC: Flexible 140mm Spacer Type SO: Flexible 180mm Spacer Type Non-Spacer • Coupling Guard • Paint Finish SC: Standard Industrial System SO: Two pack...

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TWINRO TWIN SCREW PUMPS - 6

TECHNICAL DATA - FLOW RANGE Pump frame size is nominal design flow in m3/hr e.g. W80 is nominally an 80m3/hr pump 200 500 100 0 screw set pitch pump size

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sizes for each pump

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TWINRO TWIN SCREW PUMPS - 8

TWINRO TWIN SCREW PUMPS ©PLENTY* SPEED I EXCELLENCE I PARTNERSHIP Celeros Flow Technology Earl Haig Road, Hillington Business Park, Glasgow, G52 4JN, UK P: +44 141 883 0314 E: plentypumps@celerosft.com MIDDLE EAST Celeros Flow Technology reserves the right to incorporate our latest design and material changes without notice or obligation. Design features, materials of construction, and dimensional data, as described in this bulletin, are provided for your information only and should not be relied upon unless confirmed in writing. Please contact your local sales representative for product...

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