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Application limits 应用（温度）范围 Ambient temperature: 周围的温度563703053 min. -10 °C 最小温度 -10 °C max. + 40 °C 最大温度 + 40 °C Bearing and lubrication 轴承和润滑油 By means of two grooved ball bearings C4 DIN 625 with the one on the pump side being lubricated by the fluid to be pumped, the one on
