3 Screw Pumps

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PZ
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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

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TECHNICAL CHARACTERISTICS

Specifications - Overall dimensions - Sales Catalogue
Design available STANDARD SEIM, ABS Type Approval, BV Mode II, RINA
Flow rate L/min 4800
Flow rate m³/h 288
Flow rate USGPM 1270
Suction pressure between -0.5 and 10 barg (between -8 and 146 psi) *
Delivery pressure 16
Seal Mechanical
Bearing Radial
Bearing lubrication Self-lubricated
Drive between 750 and 3600 rpm, depending by the pump size *
Construction shape STANDARD SEIM, ABS Type Approval, BV Mode II, RINA
IN/OUT DIN PN16 (Option: ANSI 150)
Safety valve Internal recirculation
INSTALLATION DATA
  • Installation: Indoor or Outdoor - Horizontal or Vertical, also on foot mounting by SEIM
  • Environment: Industrial, Marine
  • Amb. Temperature Min/Max:
  • Operating temperature C°: 32 - 302
OPERATING CONDITIONS
  • Fluids: Fuels (HFO, LFO,MGO,DO,LSMGO); Mineral and synthetic lubricating oil
  • Solid content: ask SEIM for details
  • Viscosity range cSt: 1.2- 5000
  • Viscosity range SSU: 32 - 22125
  • Speed: between 750 and 3600 rpm, depending by the pump size *
  • Rotation (shaft view): Clockwise CW (std) - CCW counter clockwise on request
MATERIALS
  • Body/Flange: GJL 250 EN1561 - GJS400-15 EN16842 (GGG40) *
  • O-rings: Viton ®
  • Painting: On request

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