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Brand Name : HUIHAOCUSTOM
Model Number : Cup Head Capacitor Discharge Weld Pins
Certification : ISO9001-2015
Place of Origin : CHINA
MOQ : 10000 pcs
Payment Terms : L/C, D/A, D/P, T/T
Supply Ability : 7000000 pcs per month
Delivery Time : 10 WORK DAYS
Packaging Details : PP BAGS+CARTON+PALLET/CASE
Name : Cup Head Capacitor Discharge Weld Pins 3"
Washers type : Round shape
Material : Mild steel
Washers size : 30mm
Finished : Galvanized steel
Pin length : 76.2mm / 3"
Application : Used for welding through foil faced insulation
Pin Diameter : 2.7mm
Cup Head Capacitor Discharge Weld Pins With Paper Insulating Washers Attached are used
to avoid damaging arcing when welding through foil faced insulation.
Cup Head Capacitor Discharge Weld Pins simplify the permanent installation of duct liner or
similar insulation to ducting and other HVAC sheet metals and housings.
They can be applied quickly and easily using standard inductive CD stud welding equipment
or resistance welding equipment.
Item: 3" Cup Head Capacitor Discharge Weld Pins With Paper Insulating Washers Head Material: Galvanized steel
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Photo | Cup head capacitor discharge weld pins consist of a round washer and a nail. | |||||
| Washer material | Washer size (B) | Nail material | Nail dia (A) | Pin length (L) | |
Galvanized steel | 25mm, 30mm, 38mm, | Galvanized steel, Copper coated steel
| 2mm, 2.7mm, 3.0mm, 3.4mm | 3/8" - 12" | ||
Note | The washer and nail size could be customized . | |||||
Beveled edge cap | Prevents tearing of duct liner | |||||
Faster welds | Forged diamond point design creates more electrical resistance for faster welds. | |||||
Better plating | Zinc and copper plating exceeds SMACNA standards and gives a more professional appearance. | |||||
Reduced down time | Consistent point quality reduces frequency of machine adjustments. | |||||
Stronger welds | Hardened steel point assures positive electrical contact for complete sheet to pin fusion. | |||||
Applied with standard equipment | Easily applied with automatic pin welder or most standard hand held or hopper fed resistance welders. | |||||
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![]() | Item: Cup Head Capacitor Discharge Weld Pins Application: used for aluminum foil faced insulation materials Step: 1. Hanging the insulation |
Recommended for | Pin length before welding | |||
1/2" insulation(all densities) | 12.67mm | |||
1" insulation(1-1/2"ib density) | 17.63mm | |||
1" foam | 25.55mm | |||
1" insulation(3ib densities) | 23.72mm | |||
1-1/2" insulation(all densities) | 28.42mm | |||
2" insulation(1-1/2"-2" ib density) | 37.95mm | |||
2" insulation(3ib densities) | 48.77mm | |||
3" insulation(all densities) | 69.85mm | |||
4" insulation(all densities) | 95.00mm |
1. 2000 pcs / 3000 pcs/ 5000 pcs per carton 2. 36 cartons per pallet 3. or according to your requirement. | |
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Galvanized Steel Cup Head Capacitor Discharge Weld Pins 3" With Paper Insulating Washers Attached Images |