H4DV-23-C ient conditions Installation altitude m Outdoor op Helical speed reducer H4

Flender/Flender Gear Units/Helical speed reducer H4

ing conditions f8 = 1.0PGD = 2.8 kW (see page 3/ f5 = 0.9 Gear unit withfan and cooling coil is sufficient Water-/ air-oil cooler Variation of the following items is possible:Please consult the sales person responsibleP < 2 G_MD3_EN_0 The selected gear unit B3SH5 with iN = 5 must be equipped with suitable auxiliary cooling. Depending on the operating conditions at the customer site, fan or cooling coil must be fitted. ".CAT-NG"Recalculation with other assumptions:Oil grade / viscosity / level Gear unit on foundation or shaft-mounted gear unit Application of an oil supply system Gear unit withselected cooling is sufficientP 2PG 2 Values refer to cooling water inlet temperature of 2 !PG < 2: Auxiliary cooling is requiredPG = GD f5 f8 PG = 2.1 kW Fan and cooling coil possiblef8 = 1.0PGC = 1.9 kW (see page 3/ f5 = 0.9 Gear unit withcooling coilis sufficient Fan and cooling coil Water-/ air-oil coolerP 2PG < 2: Auxiliary cooling is requiredPG = GC f5 f8 PG = 1.1 kW Cooling coil possiblef8 = 1.0PGB = 1.2 kW (see page 3/ f4 = 0.8 Gear unit with fan coolingis sufficient Cooling coil Fan and cooling coil Water-/ air-oil coolerP 2PG < 2: Auxiliary cooling is requiredPG = GB f4 f8 PG = 1.7 kW Fan possiblef8 = 1.0PGA = 5.1 kW (see page 3/ f4 = 0.8 Gear unit with auxiliary cooling required Fan Cooling coil Fan and cooling coil Water-/ air-oil coolerP < 2: Auxiliary cooling is requiredPG = GA f4 f8 PG = 5.0 kWGear unit with dip lubricationOperating cycle: 1 %Installation in large hall (wind velocity 1.4 /) altitude up to 1 mGear unit with mineral oil ISO-VG4For the calculation below, the following has been assumed: Assumptions corresponding to operating conditions Without auxiliary coolingType: B3SHSize: 5Nominal ratio: = 5 Ambient temperature: = 3 Input speed n1 = 1 rpmData required: Siemens AG 2 Design of the gear units Guidelines for selection Service factors 3/8 Siemens MD 3.1 2Overview Facto