KRAL Screw Pumps for Marine.
In future only those will be successful who have control over the ship operating costs. Time and again we optimize complete series because refinery processes or the legal provisions have changed. Our customers value our expertise and the cooperative partnership. Their high degree of trust in our loyalty allows them to openly describe their problems for which we develop solutions.
![screw_pumps_K_series_most_sold_horizontal.jpg schraubenspindelpumpe baureihe K meist verkaufte horizontal](/fileadmin/_processed_/8/9/csm_kral-baureihe-k_ac3f09d2ef.png)
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.
![screw_pumps_L_horizontal.jpg schraubenspindelpumpen baureihe L unsere mitteldruckpumpe](/fileadmin/_processed_/e/8/csm_kral-baureihe-l_7ff4dead17.png)
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.
![screw_pumps_C_horizontal.jpg schraubenspindelpumpe baureihe C in horizontaler aufstellung](/fileadmin/_processed_/7/a/csm_kral-baureihe-c_b5221124b0.png)
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.
![screw_pumps_w_horizontal.jpg schraubenspindelpumpe baureihe w pumpe für besondere anforderungen](/fileadmin/_processed_/7/7/csm_kral-baureihe-w_034c88a2b0.png)
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.