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Oil & Gas




Oil & Gas



3-screw Pumps PCX – ATEX Zone 1 

For hydraulic oils, lubricating oils 

Admissible delivery pressure (continuous) = 30 bar at 2900 rpm and at 1450 rpm 

Flow rate up to 5,400 L/min 

Optional integrated safety valve. 

Flow rate up to 850 L/min 

Motor connection ISO 3019/2 

Standard use: 

Pumps for lubrication circuits and auxiliary cooling circuits, fuel pumping, with steel body. CE ATEX-compliance. “Custom” version and API-compliant versions: refer to SEIM Oil and Gas Division. 

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Technical Specifications


Installation Indoor or Outdoor
Environment Industrial
Temperature Amb. Min / Max -25°C (CS) e -40°C (LTCS) , only storage / 60°C *
Fluids Mineral and synthetic lube oils, hydraulic oils, HFC fluids and with low lubricant proprieties
Solids content 0% *
Viscosity range to 10 a 1500 cSt *
Speed to 750 a 3600 rpm *
Rotation (viewed from shaft end) Hourly standard
Counterclockwise on request
Design available API 676 II ED
Flow to 10 a 5400 lpm (da 0,6 a 324 m3/h; to 2,7 a 1426,6 GPM) *
Suction pressure MAX 10 barg (146 psi) *
Delivery pressure MAX 30 barg (436 psi) *
Operating Temperature to 0 a 70 °C; MAX 120 °C *
Seal Type Mechanical - API code BSPFN
Bearing Radial ball bearing
Bearing lubrication Pumped fluid
Driver AC or DC motor, Turbina a vapore
Type of construction Horizontal feet IM1001 B3 or flange coupling
IN/OUT standard ANSI 150 B16.5
Safety valve Only on request
Body / Flange Carbon steel or stainless steel *
Screws Carbon steel nitrided *
Linear Cast iron GG25 or Carbon Steel
O-rings Viton ®
Painting Standard SA2,5 + primer +f terminal, total 160µm about; other cycles Painting on demand.