P.0266770001
Kracht
Alternatively, just the pump without bellhousing and coupling:
Gear pump
KF 1250 RF 1 - DV B 25 - GJS
Materials
Housing material: nodular cast iron EN-GJS 400
Material integrated valve nodular cast iron EN-GJS 400
Material flange cover nodular cast iron EN-GJS 400
Gear material: steel, case-hardened
Material seals NBR
Shaft sealing radial shaft seal
Storage multi-layer plain bearing P10
Product data
Geometric delivery volume 1236.20 cm³/r
Direction of rotation right (view of shaft end)
Mounting type SAE D 4-hole flange
Front bearing no
Line connection flange connection KF 1250-1500 - DN 160
Shaft end cylindrical ø 55mm
Integrated valve DV B valve 3...25 bar
Any installation position
Specific data
Operating pressure (suction side) -0.4...+5 bar(max. 750 rpm), -0.4...+4 bar(max. 1000 rpm)
-0.4...+2.5 bar(max. 1500 rpm), -0.4...+1.5 bar(max. 2000 rpm)
max. operating pressure (pressure side) 20 bar
(depending on viscosity, speed and drive power)
Operating medium temperature -20°C...+90°C
Ambient temperature -20°C...+60°C
Minimum viscosity 1.4 mm²/s (max. 3 bar)
6 mm²/s (max. 12 bar)
12 mm²/s (max. operating pressure)
Maximum viscosity depends on intake conditions, speed and
Drive power
Speed range 200...2000 rpm
(depending on pressure, viscosity and drive power)