Power characteristic &#4112;&#4156;&#4100;&#4153; “Non Overloading”  &#4239;&#4157;&#4100;&#4153;&#4151; “Overloading”  &#4127;&#4144;&#4173; &#4239;&#4157;&#4101;&#4153;&#4121;&#4154;&#4141;&#4147;&#4152;&#4123;&#4157;&#4141;&#4126;&#4106;&#4153;&#4171; “Non Overloading” &#4102;&#4141;&#4143;&#4126;&#4106;&#4153;&#4121;&#4157;&#4140; absorbed power &#4126;&#4106;&#4153; &#4129;&#4155;&#4121;&#4100;&#4153;&#4151;&#4102;&#4150;&#4143;&#4152;&#4112;&#4116;&#4153;&#4118;&#4141;&#4143;&#4152;(maximum value)&#4126;&#4141;&#4143;&#4244; &#4145;&#4123;&#4140;&#4096;&#4153;&#4223;&#4117;&#4142;&#4152;&#4126;&#4106;&#4153;&#4151;&#4145;&#4116;&#4140;&#4096;&#4153; &#4145;&#4124;&#4101;&#4142;&#4152;&#4239;&#4232;&#4116;&#4153;&#4152;(air flow)&#4121;&#4154;&#4140;&#4152;&#4124;&#4140;&#4145;&#4124; &#4101;&#4156;&#4121;&#4153;&#4152;&#4129;&#4100;&#4153;(power)&#4116;&#4106;&#4153;&#4152;&#4126;&#4156;&#4140;&#4152;&#4145;&#4124; &#4155;&#4118;&#4101;&#4153;&#4126;&#4106;&#4153;&#4171; Overloading characteristic &#4112;&#4156;&#4100;&#4153; &#4145;&#4124;&#4101;&#4142;&#4152;&#4239;&#4232;&#4116;&#4153;&#4152;(volume flow rate) &#4121;&#4154;&#4140;&#4152;&#4124;&#4140;&#4126;&#4106;&#4153;&#4239;&#4157;&#4100;&#4153;&#4151;&#4129;&#4121;&#4154;&#4157; &#4101;&#4156;&#4121;&#4153;&#4152;&#4129;&#4140;&#4152; (power)&#4124;&#4106;&#4153;&#4152; &#4124;&#4141;&#4143;&#4096;&#4153;&#4121;&#4154;&#4140;&#4152;&#4124;&#4140;&#4126;&#4106;&#4153;&#4171; Power characteristic &#4126;&#4106;&#4153; impeller &#4129;&#4121;&#4154;&#4141;&#4147;&#4152;&#4129;&#4101;&#4140;&#4152; (type) &#4145;&#4117;&#4186;&#4112;&#4156;&#4100;&#4153; &#4121;&#4144;&#4112;&#4106;&#4153;&#4126;&#4106;&#4153;&#4171;