KRAL Screw Pumps for Mechanical Engineering.
Application examples.
KRAL screw pumps have a reputation for the highest quality on the world market. KRAL GmbH is the ideal partner for mechanical engineers who demand quality in their mechanical equipment and plants.
Delivery rate: 5 to 2,900 l/min.
Max. differential pressure: 16 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.
ATEX: II 2 GD b/c group II,
category 2.
Heating: Electrical, media or steam.
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: 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: 15 to 290 l/min.
Max. differential pressure: 120 bar.
Viscosity: > 1 mm2/sec.
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.
Delivery rate: 330 to 17,660 l/min or 20 to 1,060 m3/h.
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.
