3mm diameter Metal CD (Capacitor Discharge) weld pins for power plant insulation
CD (Capacitor Discharge) weld pins is one kinds of welding nails used for thermal insulation of a boiler in a power plant, which is used to fix the thermal insulation material. The nail is welded to the surface of the boiler in the power plant through a capacitive discharge welder, the thermal insulation material is installed on the welded nail, the thermal insulation material is fixed with self locking washers , and finally bent to cut off the excess nail tip, or locked on the top with a general cap to achieve protective effect.
Specification of the CD (Capacitor Discharge) weld pins | |||
Material | Pin diameter | Pin length | Surface treatment |
Mild steel or stainless steel | 3MM in common | 40mm/50mm/55mm/60mm/75mm /90mm/114mm/130mm in common . 30mm-250mm for the customized length | opper plated or zinc coated for Mild steel material, polished for stainless steel material |
Note | the pins diameter and length could be customized according to the requimrnets. | ||
Fixing parts | 38mm self locking washers and 32mm dome cap washers in common , other size washers is also available . |
The fixing parts of the CD (Capacitor Discharge) weld pins could be round self locking washers , square self locking washers, also could be dome cap washers .
The welding machines for the CD (Capacitor Discharge) weld pins