SHUTTLE BLOCK PUMPS – SL Series

The E-SL (Shuttle Block) pump employs an unique pumping principle – a combination of Rotary and Piston pump. Two double acting pistons in their respective slots at right angles to each other, accomplish this, while the rotor turns without the need for any valving. The Shuttle block pump is a self priming rotary pump. There are only three pumping elements – Rotor, Piston and Shuttle. Rotor is keyed to a single shaft and runs concentric in pump casing. It has a rectangular slot across its face. The channel-shaped piston reciprocates within this slot. A rectangular block, shuttle, fits liquid tight in piston slot and reciprocates. The rotary action of rotor combined with the eccentrically mounted shuttle creates reciprocating motion among the pumping elements.

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MAIN APPLICATIONS:

  • Loading, unloading, transfer, circulation and process pumping of a very wide range of products typically as thin as diesel oil to extremely high viscous substances
  • Unloading of tank lorries and rail car

LIQUIDS:

  • Pump can handle highly viscous liquids or thin volatile material.

PRODUCT SPECIFICATIONS AND FEATURES:

Rotors Cast Iron
Casing Cast Iron
Cover Cast Iron
Piston Carbon Steel
Shaft SS410
Seal Gland Packing / Mechanical seal
Capacity 220 – 970 lpm
Outlet Pressure Up to 6 bar
Viscosity 3 – 5000 cSt
Temperature Up to 140°C
Speed Up to 1450 rpm
Drive Direct / V-belt
Rotation Anti-clockwise facing pump drive shaft

VALUE PROPOSITION:

  • Handle highly viscous liquids
  • Low noise and vibrations
  • Smooth, pulsation-free flow
  • Front pull out design, rotor removal without dismantling the pump and motor
  • High reliability and excellent service life
  • High volumetric efficiency, low power requirements
  • Long stuffing box construction with external bearing reduces leakages to minimum

MARKET SEGMENTS:

  • Oil & Gas
  • Food Processing
  • Petrochemical
  • Chemical

CONSTRUCTION:

There are three pumping elements – Rotor, Piston and Shuttle. Rotor is keyed to a single shaft and runs concentric in pump casing. It has a rectangular slot across its face. The channel-shaped piston reciprocates within this slot. A rectangular block, shuttle, fits liquid tight in piston slot and reciprocates. The reciprocating action of piston in rotor and shuttle in piston is due to an eccentric pin fixed on the pump cover and engaging the shuttle bore as the rotor turns in the pump casing.

 

PERFORMANCE DATA:

Testing Medium: Lube Oil    Viscosity: 75 cSt     Speed: 1450

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