Flender/Flender Gear Units/Helical gearbox H2
/ 2 F1 / 2 F1 / 2 F1 / 2 F1 / 2 F1 / 2 F1 / 2

Density, based on DIN at 1 approx. 8 kg/ approx. 8 kg/ approx. 8 kg/ approx. 8 kg/ approx. 8

kg/ approx. 9 kg/ approx. 9 kg/ approx. 9 kg/ approx. 9 kg/ Kinematic viscosity, DIN 5 pt. 0/ASTM -4/ASTM

7, 4 Capprox. 4 mm/ approx. 6 mm/ approx. 1 mm/ approx. 1 mm/ approx. 2 mm/ approx. 3 mm/

approx. 4 mm/ approx. 6 mm/ approx. 1 0 mm/ Kinematic viscosity, DIN 5 pt. 0/ASTM -4/ASTM 7, 1 Capprox. 7 mm/ approx. 9 mm/ approx. 1 mm/ approx. 1 mm/ approx. 1 mm/ approx. 2 mm/ approx. 3 mm/ approx. 3 mm/ approx. 4 mm/ Viscosity index, DIN ISO 2 >= 9 >= 9 >= 9 >= 9 >= 9 >= 9 >= 9 >= 8 >= 8 ISO viscosity grade, DIN ISO 3 4 6 1 1 2 3 4 6 1 0 Flash point, DIN EN ISO 2, Cleveland, open -cup apparatus >= 2 >= 2 >= 2 >= 2 >= 2 >= 2 >= 2 >= 2 >= 2 Pour point, DIN ISO 3 <= -2 <= -1 <= -1 <= -1 <= -1 <= -1 <= -1 <= -5 <= -3 Foam test, ASTM - 8, ISO 6, sequence /2 <= 1/1 ml<= 1/1 ml<= 1/1 ml<= 1/1 ml<= 1/1 ml<= 1/1 ml<= 1/1 ml<= 1/1 ml<= 1/1 ml Foam test, ASTM - 8, ISO 6, sequence II/ 9.5 <= 1/1 ml<= 1/1 ml<= 1/1 ml<= 1/1 ml<= 1/1 ml<= 1/1 ml<= 1/1 ml<= 1/1 ml<= 1/1 ml Foam test, ASTM 8, ISO 6, sequence III/2C <= 1/1 ml<= 1/1 ml<= 1/1 ml<= 1/1 ml<= 1/1 ml<= 1/1 ml<= 1/1 ml<= 1/1 ml<= 1/1 ml Ageing properties, ASTM 2, increase in viscosity <= 6 %<= 6 %<= 6 %<= 6 %<= 6 %<= 6 %<= 6 %<= 6 %<= 6 % FZG scuffing test, DIN ISO 1-1, /8.3/9, scuffing load stage >= 1 >= 1 >= 1 >= 1 >= 1 >= 1 >= 1 >= 1 >= 1 FZG scuffing test, based on DIN ISO 1-1, /1.6/9, scuffing load stage >= 1 >= 1 >= 1 >= 1 >= 1 >= 1 >= 1 >= 1 >= 1 API scuffing load capacity API GL 4 API GL 4 API GL 4 API GL 4 API GL 4 API GL 4 FAG FE8 rolling bearing test, DIN 5-3, 7,5/8-8, wear of rolling element <= 3 mg<= 3 mg<= 3 mg<= 3 mg<= 3 mg<= 3 mg<= 3 mg<= 3 mg<= 2 mg FAG FE8 rolling bearing test, DIN 5-3, 7,5/8-8, wear of cage <= 2 mg<= 2 mg<= 2 mg<= 2 m