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Oil & Gas




Oil & Gas

[MOP] PXF - Double bearing type


PXF-type 3-screw pumps


· For hydraulic oils, lubricating oils Admissible delivery pressure (continuous) = 30 bar at 2900 rpm 

(flow rates > 700 L/min approx.: 16 Bar)

· Flow rates up to 5,400 L/min

· Version with axial or radial inlet port.

· With optional safety valve, adjustable from the outside, also during pump operation. ATEX Zone 2

· Standard use:

- General low pressure industrial use: lubrication, cooling and filtration circuits.

· Versions:

- for fluids with very high viscosities

- for emulsified air (noise cancellation)

- with magnetic drive joint

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Technical Specifications


Installation Indoor or Outdoor
Environment Industrial, Marine
Temperature Amb. Min / Max -20°C (CS) e -40°C (LTCS) , only storage / 60°C *
Fluids Oli lubrificanti minerali e sintetici ANCHE AD ALTISSIMA VISCOSITA', fluidi HFC.
Solids content 0% *
Viscosity range to 10 a 5000 cSt *
Speed to 750 a 3600 rpm *
Rotation (viewed from shaft end) Hourly
Counterclockwise on request
Design available STANDARD Seim S.r.l. - Screws Pumps -, BV MODE II,
RINA testing alternative
Flow to 10 a 5400 lpm (da 0,6 a 324 m3/h; to 2,7 a 1426,6 GPM) *
Suction pressure to -0,5 a 10 barg (da -8 a 146 psi) *
Delivery pressure MAX 30 barg (436 psi) *
Operating Temperature to 0 a 120 °C *
Seal Type Mechanics
Bearing Radial ball bearing
Bearing lubrication Pumped fluid
Driver Electric Motor, PDA
Type of construction Horizontal or vertical
IN/OUT SAE 3000, DIN UNI EN1092-1 (per taglie superiori a 083)
Safety valve Internal recirculation
Body / Flange GJL 250 *
Screws Carbon Steel nitrided *
O-rings Viton ®
Painting on demand