Industrial division

2SP LS 2SP WTG PA PCX PDA PDK PHS PWO POF6 PQJ PXF PXC PZ PZD
2SP LS 2SP WTG PA PCX PDA PDK PHS PWO POF6 PQJ PXF PXC PZ PZD

PZ |  PZ-type 3-screw pumps

Description

PZ-type 3-screw pumps

  • For hydraulic oils, lubricating oils
  • Versions for heavy fuel
  • Flow rates up to 5,400 L/min
  • Admissible delivery pressure (continuous) = 16 bar
  • ATEX Zone 2
  • Standard use:
    • Pumps for lubrication circuits and auxiliary cooling circuits.
    • With internal pressure relief valve.
  • Versions:
    • for fluids with high viscosities
    • for emulsified air (noise cancellation)
    • with magnetic drive joint

Technical Specifications

Data installation
Installation Indoor or Outdoor
Environment Industrial, Marine
Temperature Amb. Min / Max -20°C (CS) e -40°C (LTCS) , only storage / 60°C *
Operating working conditions
Fluids Mineral and synthetic lubricating oils TOO HIGH VISCOSITY ', HFC fluids.
Solids content 0% *
Viscosity range to 1,2 a 5000 cSt *
Speed to 750 a 3600 rpm *
Rotation (viewed from shaft end) Hourly
Counterclockwise on request
Specifications
Design available STANDARD Seim S.r.l. - Screws Pumps -, ABS Type Approval,
BV Mode II, RINA
Flow to 20 a 5400 lpm
(da 1,2 a 324 m3/h; to 5,3 a 1426,6 GPM) *
Suction pressure to -0,5 a 10 barg (da -8 a 146 psi) *
Delivery pressure MAX 16 barg (233 psi) *
Operating Temperature to 0 a 150 °C *
Seal Type Mechanics
Bearing Radial
Bearing lubrication Self-lubricating
Driver Electric Motor, PDA
Type of construction Horizontal or vertical
IN/OUT DIN UNI EN1092-1, ANSI150 B16.5
Safety valve Internal recirculation
Materials
Body / Flange GJL 250, GJS 400 *
Screws Carbon Steel nitrided *
O-rings Viton ®
Painting on demand

* For different values ​​contact Seim

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