Blackmer S Series Twin Screw Pumps

Blackmer® – part of PSG®, a Dover company logo
Blackmer’s S Series Twin Screw pumps are for transferring fluids free of solids or with minimal abrasiveness. These self-priming, double-ended positive displacement pumps work hard regardless of the pressure, temperature, or viscosity of the liquid they handle. Ideal for chemical processing, general industrial duties, and transport and marine markets, the S Series is also available in various configurations for special transfer applications.

KNOW MORE ABOUT BLACKMER S SERIES TWIN SCREW PUMPS

Albany is a force to reckon with in the design and manufacture of high-quality positive displacement pumps, gear pumps, lobe pumps, and screw pumps.

Design Advantages

  • Screw flanks with a unique profile and patented technology ensure high efficiency, pulse-free operation, continuation, and good NPSH values
  • Double-array ball bearing offsets against balanced axial power
  • Relief valve installation realises overload protection
  • Relief valve installation realises overload protection
  • Single mechanical seal lubricated by the pumped medium
  • Separate construction between shaft and screw allows for a choice of materials
  • Robust and reliable construction for longer life

Available Options

  • Spare parts
  • Mounting plates

Get in touch with our experts to know more about your options.

Key Specifications

  • Capacity: 0.5-2500 m³/h
  • Pressure: 16-60 bar
  • Viscosity: 0.5-200,000 mm²/s (cSt)

Applications

S SERIES TWIN SCREW PUMPS (WTG)

  • Petroleum
  • Marine
  • Petrochemical
  • Liquid terminals
  • Refineries
  • Food & beverage
  • Chemical
  • Lubricating oil
  • Storage & transportation

S SERIES TWIN SCREW PUMPS (NTG)

  • Asphalt
  • Chemicals
  • Heavy fuel oil
  • Liquid terminals
  • Petrochemical
  • Lubricating oil
  • Marine

S SERIES MULTI-PHASE TWIN SCREW PUMPS

  • Crude oil
  • Desert oilfield
  • Beach-sea oilfield
  • Offshore platform
  • Wellhead

TECHNICAL SPECIFICATIONS

S Series Twin Screw Pumps with Timing Gear (WTG)
SERIES CAPACITY (m3/h) DIFF PRESSURE (bar) VISCOSITY [mm2 /s (cSt)]
2HM/2VM 2-2500 Up to 40 0.5-200,000
2HR/2VR 2-2500 Up to 40 0.5-200,000
2HE/2VE 2-2500 Up to 25 20-3,000
2HH 10-1000 Up to 60 1-10,000
2HC 35-750 Up to 16 1-10,000
2H 1-40 Up to 16 1-100,000
S Series Twin Screw Pumps with Non-Timing Gear (NTG)
SERIES CAPACITY (m3/h) DIFF PRESSURE (bar) VISCOSITY [mm2 /s (cSt)]
2LE/2KE 1-480 16 ≤3,000
2LA/2KA 1-480 16 ≤200,000
S Series Multi-Phase Twin Screw Pumps
SERIES CAPACITY DIFF PRESSURE
2MPS…B 30-1500 Up to 30
2MPS…H 30-1500 Up to 36
2MP 30-800 Up to 60

PRINCIPLE OF OPERATION

Blackmer Twin Screw Pumps are rotary, positive displacement pumps composed of two sets of opposed screws. These two counter-rotating screw rotors are engineered to rotate towards each other. This action traps the fluid between the screws of their rotors. As the screws turn, this trapped volume decreases, compressing the fluid and moving it towards the exhaust.

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