NOTOS®2 NS – Two Screw Pump:

Drive Screw Transmits the Torque via a Hydrodynamic Film to the Second Screw

Performance

• Flow up to 500 m³/h (2200 gpm)
• Pressure up to 16 bar (230 psi)
• Temperature up to 300°C (570°F)
• Viscosity up to 25.000 cSt

Accessories

• Internal or external relief valve
• Vibration sensors
• Temperature sensors
• API 682 cartridge seals
• Various API seal plans

Arrangements

• Foot, vertical, semi-submersible, housing with replaceable liner or flange mounted
• Heating jacket optional

1 - Screws

Nitrated in alloy steel or in stainless steel. The HEUD (High Efficiency Unique Desgin) provides excellent performance.

2 - Housing

Various ports configurations such as top top, side top or in line.

3 - Bearing Bushes

Internal bearing bushes helps to support radial loads.

4 - Mechanical Seal

Under suction pressure just one mechanical seal is required for the 2NS. Magnetic drive optional.

Advantages

• High efficiency

• Hydraulically balanced

• Quiet operation

• Long service life

• Low pulsation

• Excellent suction capability

• API 676 3rd ed., optional

Applications

Burner Feeding

• Pump NOTOS®: 2 NS
• Media: Fuel Oil
• Flow rate: 16 m³/h
• Pressure: 4 bar
• Temperature: 50 °C
• Viscosity: 30 cSt
• Location: Italy