L5 SCREW PUMPS

Leistritz screw pumps in the L5 range are five-screw, sin­gle-vo­lute, self-prim­ing dis­place­ment pumps for low-pres­sure duty, suit­able for trans­port of ag­gres­sive, light abra­sive, low or high-vis­cos­ity flu­ids with good or poor lu­bric­ity.

User ad­van­tages

  • Low axial flow ve­loc­ity > Very good prim­ing
  • High ef­fi­ciency > Low op­er­at­ing costs
  • Only one shaft seal > Low-main­te­nance
  • Ax­i­ally bal­anced ro­tors > No axial forces to bear­ings
 

L5NG

L5NG tech­ni­cal data

Ca­pac­ity Max. 1,700m³/h (7.500 gpm)
Dif­fer­en­tial pres­sure Max. 10 bar (145 psi)
Vis­cos­ity Max. 100,000 cSt
Op­er­at­ing tem­per­a­ture Max. 280° C (536° F)
  • Hor­i­zon­tal and ver­ti­cal in­stal­la­tion pos­si­ble
  • Pump­ing of dif­fer­ent types of flu­ids thanks to cus­tomized ma­te­r­ial com­bi­na­tions
  • Pump­ing of lu­bri­cat­ing oil with high air con­tent
  • Use in chem­i­cal in­dus­try with mag­netic cou­plings
 

L5NT tech­ni­cal data

Ca­pac­ity Max. 1,700 m³/h (7.500 gpm)
Dif­fer­en­tial pres­sure Max. 10 bar (145 psi)
Vis­cos­ity Max. 100,000 cSt
Op­er­at­ing tem­per­a­ture Max. 280° C (536° F)
  • Space-sav­ing in­stal­la­tion in the tank
  • No suc­tion or NPSH prob­lems
  • Use as a cargo pump or pri­mary lu­bri­cat­ing oil pump in ship­build­ing

L5NT