Centrifugal with volute pump NCTR

oilfor chemicalssubmersible

Product description
The NCTR type is a spiral-casing vertical submerged pump manufactured to API 610 with shaft sealing, design VS4. The hydraulic pump section is installed in the tank or directly in the conveyed medium. Connection is via a multistage shaft and pipe column. Pump and drive shafts are supported by sleeve bearings; the upper drive shaft is fixed by a grease-lubricated double-row angular contact ball bearing, permitting immersion depths up to 6 m.

Special designs (available)

• Category-1 design for use in Zone 0 according to explosion protection directive
• Heated version
• Oil lubrication

Applications

• Oil & Gas
• Chemical industry
• Petrochemical
• Offshore
• Shipbuilding / Marine
• Refuelling systems & Aviation
• Tank storage / Tank farms
• Renewable energy / Environmental engineering

Notes
Performance data (Q, H) and permissible operating pressures/temperatures depend on size and rotational speed. Higher pressures and temperatures are available on request.

Characteristics / Technical specifications

• Type designation: NCTR
• Flow rate (Q max): up to 1000 m³/h (4400 g.p.m.) **
• Head (H max): up to 250 m (820 ft) **
• Operating pressure: 16 bar (232 psi) *
• Temperature: up to 200 °C (392 °F) *
• Max. speed: 3500 min−1
• Sealing: mechanical seal
• Arrangement: vertical (submerged pump)
• Bearings: rolling bearings, product-side sleeve bearings
• Lubrication: grease / oil
• Materials: duplex, nickel-base, austenitic cast steel
• Standards: API 610
• Ex protection: Category 2 / Zone 1, Category 1 / Zone 0
• Immersion depth: up to 6 m

* higher pressures and temperatures on request
** depending on size and rotational speed