... resistant coatings equipments. From former D3 and D4 to current QD8 and QD10, high velocity arc spray equipment in this series ... gun on machine tool. III. The Characteristics of QD8 Series Arc Spray Equipment1. QD8 arc sprayer is easy for operation and use ... Spray SystemCompose:1. QD8-TA push type arc spray gun2. QD8-D arc spray power supply3. QD8-S wire feeder QD8-TA Push Type ...