Assembly and Maintenance of a Screw Pump Unit

The screw pumps belong to the group of positive displacement pumps, which use aneccentric helical screw (rotor) that moves inside a sleeve (stator), making the liquid flowbetween the screw and the sleeve.

ATENG 11926 — Assembly and Maintenance of a Screw Pump Unit

• Each set includes:
  Case for easy transport.
• Tightness test set:
  Manual pump.
  Pressure gauge.
  Flange connections.
  Set of assembly and disassembly tools required for each of the units.
  ATENG 11923.
  Assembly and Maintenance of a Centrifugal Pump Unit
• Maximum power: 3000 W.
• Maximum flow: 30 m³/h.
• Maximum No. of revolutions: 2900 min-1.
• Maximum lifting height: 29.5 m.
• Suction / discharge diameter: DN50 / DN32 mm.
• Pump housing and impeller: Cast iron.
• Shaft: AISI 304 Steel.
  ATENG 11924.
  Assembly and Maintenance of a Multistage Centrifugal Pump Unit
• Maximum power: 4000 W.
• Maximum flow: 24 m³/h.
• Maximum No. of revolutions: 2900 min-1.
• Maximum lifting height: 50.5 m.
• Suction / discharge diameter: DN50 / DN50 mm.
• Pump head: Cast.
• Shaft: AISI 304 Steel.
  ATENG 11926.
  Assembly and Maintenance of a Screw Pump Unit
• Maximum power: 500 W.
• Maximum flow: 0.8 m³/h.
• Maximum No. of revolutions: 532 min-1.
• Design pressure: 12 bar.
• Cover / shaft diameter: 45 / 40 mm.
• Pump material: Cast iron.
• Shaft material: Steel AISI 316.
  ATENG 11927.
  Assembly and Maintenance of a Diaphragm Pump Unit
• Maximum power: 180 W.
• Flow: 5.5 l/h.
• Number of impulses: 58 imp/min.
• Design pressure: 10 bar.
• Membrane diameter: DN64 mm.
• Head / valve / valve box material: Stainless steel SS 316.
• Piston: PTFE.
  3

Specifications

ATENG 11929.

Assembly and Maintenance of a Piston Pump Unit

• Maximum power: 180 W.
• Maximum flow: 1000 l/h.
• Number of impulses: 116 imp/min.
• Design pressure: 5 bar.
• Piston diameter: DN89 mm.
• Pump Head: Stainless steel SS 316.
• Piston: Stainless steel SS 316.
• Valves and box valves material: Stainless steel SS 316.
  ATENG 11930.
  Assembly and Maintenance of an In-Line Centrifugal Pump Unit
• Maximum power: 1500 W.
• Maximum flow: 12.5 m³/h.
• No. of revolutions: 2900 m-1.
• Maximum lifting height: 21 m.
• Suction / discharge diameter: DN32 / DN32 mm.
• Head and case: Cast.
  ATENG 11932.
  Assembly and Maintenance of a Gear Pump Unit
• Maximum power: 2,2 kW.
• Maximum flow: 5400 l/h.
• Engine No. of revolutions: 1450 min-1.
• Maximum pressure: 6 bar.
• Case and lid Gears: GG – 25 cast.
• Shaft diameter: DN22 mm.
• Gears: Treated steel.
• Shaft: Cementation steel.