PZ
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
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Technical Specifications
| DATA INSTALLATION | |||||||||||||||
| Installation | Indoor or Outdoor | ||||||||||||||
| Environment | Industrial, Marine | ||||||||||||||
| Temperature Amb. Min / Max | -25°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 | API 676 III ED | ||||||||||||||
| 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 | ||||||||||||||
