KRAL Screw Pumps for Power Generation.
Application examples.
Operators and suppliers of power plants are international company groups. Reliable suppliers are important so that new constructions or revisions can be carried out to schedule and in a cost-conscious manner. Thanks to its continuous growth, KRAL GmbH has a company size that ensures reliable execution of large-scale orders.
Delivery rate: 5 to 2,900 l/min.
Max. differential pressure: 16 bar.
Temperature range: -20 to +180 °C (with magnetic coupling up to +300 °C).
Viscosity: 1,1 bis 10.000 mm²/s.
Housing: Nodular cast iron EN-GJS-400.
Screws: Steel, nitrided.
Approvals: ABS, BV, CCS, DNV, GL, LRS, MRS, NK, RINA.
ATEX: II 2 GD b/c group II,
category 2.
Heating: Electrical, media or steam.
Delivery rate: 5 to 660 l/min.
Max. differential pressure: 25 bar.
Temperature range: -10 to +120 °C (with magnetic coupling up to +300 °C).
Viscosity: 10 to 500 mm²/s.
Housing: Nodular cast iron EN-GJS-400, Steel.
Screws: Steel, nitrided.
Approvals: ABS, BV, DNV, LRS.
ATEX: II -/3 G Ex h IIC T4...T2 -/Gc X., with mechanical seal.
II -/2 G Ex h IIC T4 ... T2 -/Gb X., with magnetic coupling.
API: Construction according to API 676.
Delivery rate: CK: 5 to 1,750 l/min / CL & CG: 5 to 3,550 l/min.
Temperature range: -20 °C to 180 °C, magnetic coupling to 300 °C.
Pressure range: 70 bar; 100 bar.
Housing: Nodular cast iron, steel and aluminium.
Screws: Steel, nitrided.
Approvals: ABS, BV, CCS, DNV, GL, LRS, MRS, NK, RINA, KR.
ATEX: II 2 GD b/c group II,
category 2.
Heating: Electrical, media or steam.
API: Manufactured to conform
with API.
Delivery rate: 330 to 17,660 l/min
Max. differential pressure: 25 bar.
Temperature range: -40 °C to +300 °C.
Housing: Ductile iron or welded steel.
Screws: Solid or engineered.
Approvals: ABS, BV, DNV/GL, LRS, RINA, others on request.
ATEX: II 2 GD b/c group II, category 2.
Heating: Electrical, media or steam.
API: Manufacturing according to API 676 possible.
Delivery rate: 5 to 200 l/min.
Max. pressure: 63 bar.
Temperature range: -20 °C to 180 °C, magnetic coupling to 300 °C.
Housing: Nodular cast iron EN-GJS-400.
Screws: Steel, nitrided.
Approvals: ABS, BV, CCS, DNV, GL, LRS, MRS, NK, RINA, KR.
ATEX: II 2 GD b/c group II, category 2.
Heating: Electrical, media or steam.
Delivery rate: 15 to 290 l/min.
Max. differential pressure: 120 bar.
Viscosity: > 1 mm²/s.
Max. temperature: to 180 °C, magnetic coupling to 300 °C.
Installation: Wet or dry.
Spindle housing: Nodular cast iron EN-GJS-400, polymer-coated or other material options.
Screws: Steel, nitrided.
