BV / BLV / BVR

PVC insulated wire and cable ,and soft lines are widely used in rated voltage 450/750V and below power plant is fixed laying electrical ,instrumentation, lighting ,power transmission using the cable long-term maximum temperature less than 70,laying temperature of not less than 0. Rated voltage 450/750 and below PVC insulated cables First, the implementation of the standard: GB5023-97 JB8734-98 TypeDescription227IEC01(BV)Core ,hard conductor cable without sheath227IEC02(RV)Soft copper conductor cable without sheath227IEC05(BV)Internal wiring for a conductor temperature of 70 for single core solid wire sheath227IEC06(RV)Internal wiring for a conductor temperature of 70 for single core flexible conductor sheathed wireBVConductor PVC insulated wireBLVCore PVC insulated wireBVRConductor P:VC insulated flexible wire227IEC52(RVV)Light PVC sheathed flexible copper wire227IEC53(RVV)Ordinary PVC sheathed flexible copper wireRVSShaped connection conductor PVC insulated twisted cordSecond, insulation wire for fixed laying performance requirements: 1.Long-term allowable working temperature: less than 70. 2.Wire installation temperature not lower than 0，allowing bending radius: Wire diameter (D) less than 25mm shall be not less than 4D, wire diameter (D) is more than 25mm and not less than 6D.