Blackmer S Series Triple Screw Pumps

The Blackmer® S Series Triple Screw Pump is specifically designed to tackle the toughest application challenges in the oil and gas, process, and marine industries. These pumps provide smooth and constant flow regardless of the operating pressure, temperature, and viscosity. They are most efficient at transferring clear, lubricating liquids without solid content.

The S Triple Screw pumps, like their twin screw counterpart, are self-priming, double-ended, compact, reliable, and environment-friendly and can be ATEX-certified for use in explosive areas.

Features & Benefits

Know more about the features & benefits of using Blackmer S Series Triple Screw Pumps.

Uniquely constructed pressure relief valve for pump and system safety
Rigid parts translate to longer life and maintenance intervals resulting in increased uptime
Strong self-priming capability, reversible pumping, high volumetric efficiency
Smooth, pulse-free operation with extremely low noise and vibration
Easy to install and maintain with compact size and construction
Higher pressure boost and high energy efficient design

Available Options

We customise pumps according to your specific application. Get in touch with us to know your options.

Bearing options
Spare parts
Mounting plates

Key Specifications

Here are the key specifications of Blackmer S Series Triple Screw Pumps.

Capacity: 2-2600 L/min
Pressure: Up to 100 bar
Viscosity: 3-5,000 mm²/s (cSt)

Applications

Here is a list of industrial applications for which Blackmer S Series Triple Screw Pumps are commonly utilized.

Chemicals
Adhesives
Food and beverage
Soap
Petrochemicals
Polymers
Crude oil
Asphalt
Diesel
Lube oil
Kerosene
Oilfields
Residuals
Bulk transfer
Loading/unloading
Terminals
Shipping

Blackmer S Series Triple Screw Pumps Technical Specifications

    SERIES
    CAPACITY (m3/h)
    DIFF PRESSURE (bar)
    VISCOSITY [mm2 /s (cSt)]
  


    3N
    10-2,600
    Up to 40
    3-5,000
  

    3M
    10-2,600
    Up to 100
    3-5,000
  

    3PF
    2-130
    Up to 40
    3-750
  


    

SERIES	CAPACITY (m3/h)	DIFF PRESSURE (bar)	VISCOSITY [mm2 /s (cSt)]
3N	10-2,600	Up to 40	3-5,000
3M	10-2,600	Up to 100	3-5,000
3PF	2-130	Up to 40	3-750

Principle of Operation

The S Series Triple-Screw Pump consists of three rotating parts, a male drive spindle (driver screw) and two female secondary spindles (driven screws). As the driver screw starts rotating, the driven screws also rotate. Due to the movement of these screws, a minimal vacuum starts producing at the inlet section. This vacuum causes the fluid to enter through the inlet valve. The fluid is trapped between the gap of the “screws” and rotated as the screws rotate. As pressure increases, the fluid is discharged from the outlet valve and transferred to the desired location.