Screw Pumps
KRAL screw pumps are divided into following categories:
Series K
Delivery rate: 5 to 2,900 l/min
C Delivery rate KFT: 5 to 510 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
Spindles: Steel, nitrided
Certifications: ABS, BV, CCS, DNV, GL, LRS, RS, NK, RINA
ATEX: II 2 GD b/c group II, category 2
Heating: Electrical, fluid media and steam.
Series L
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
Spindles: Steel, nitrided
Certifications: ABS, BV, CCS, DNV, GL, LRS, MRS, NK, RINA, KR
ATEX: II 2 GD b/c group II, category 2
Heating: Electrical, fluid media and steam.
Series C
Delivery rate CK: 1,750 l/min
Delivery rate CL: 3,550 l/min
Delivery rate CG: 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
Spindles: Steel, nitrided
Certifications: ABS, BV, CCS, DNV, GL, LRS, MRS, NK, RINA, KR
ATEX: II 2 GD b/c group II, category 2
Heating: Electrical, fluid media and steam
Manufactured to conform with API.
Series W
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
Spindles: steel, nitrided.
Series Magnetic coupling:
Feedrate: 5 to 3550 l/min
Temperature range: -20°C to 300°C
Pressure: 120 bar.