Weld Insulation Cup Head Pin Duct Pipe
Agricultural Rock Wool Round Base Welding Insulation Pin For Duct Pipe
Cup head pin is a kind of weld insulation pins, cup head pin is fabricated by a beveled round washer head with a metal nail, the cup head diameter are available in 25mm, 30mm and 38mm, the metal nail diameter are available in 14 Gauge (2.0mm), 12 Gauge( 2.7mm) or 10 Gauge (3.4mm), the material is available in stainless steel, mild steel, if you need mild steel version, the pin can be zinc coated or copper coated. special one type cup head pin , the cup head base attach the yellow paper. Customers also need the pin insulated or head insulated or both insulated.
Specification of Round Base Welding Insulation Pin
| base size | base material | pin diameter | pin length | pin material | finished |
| 20MM | mild steel, stainless steel, copper | 2.7MM,3MM, 3.4MM | 10MM, 25MM, 38MM | mild steel, stainless steel, copper | zinc/ copper plating |
| 25mm | mild steel, stainless steel, copper | 3mm | 10mm-65mm | mild steel, stainless steel, copper | zinc/ copper plating |
| 30mm | mild steel, stainless steel, copper | 3.4mm | 10mm-65mm | mild steel, stainless steel, copper | zinc copper plating |
| custom | support custom | support custom |
Features of the Round Base Welding Insulation Pin
- Beveled Edge Cap: Prevents tearing of duct liner
- Faster Welds: Forged diamond point design creates more electrical resistance for faster
- Better Plating:Zinc and Chromate 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
Installation introduction of Round Base Welding Insulation Pin
| recommended for thickness of the insulation | 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 |
Typical Packing of cup head pin
| Product | Size | Packing Quantity | Box Size | Weight per box |
| Cup Head Pin | 2.7×22mm | 1000Pcs Per box | 26×26×13 CM | 3.2KG |
| Cup Head Pin | 2.7×25mm | 1000Pcs per box | 26×26×13 CM | 3.5KG |
| Cup Head Pin | 2.7×27mm | 1000Pcs per box | 26×26×13 CM | 3.8KG |
| Cup Head Pin | 2.7×42mm | 1000Pcs per box | 26×26×13 CM | 4.5KG |
| Cup Head Pin | 2.7×48mm | 1000Pcs per box | 26×26×20CM | 4.8KG |
| Cup Head Pin | 2.7×50mm | 1000Pcs per box | 26×26×20CM | 4.9KG |
| Cup Head Pin | 2.7×75mm | 1000Pcs per box | 26×26×26CM | 6.3KG |
| Cup Head Pin | 2.7×100mm | 1000Pcs per box | 26×26×32CM | 7.9KG |
Images of Cup Head Pin
Application equipments of Cup head pin
Cup head pin are welded by a stud welding machine, the application is very simple, when the insulation is ready on the sheet metal, put the cup head pin on the weld gun, weld them directly through the insulation to secure insulation. They now are widely accepted for in the thermal and acoustical insulation markets for use in industrial and commercial applications. Such as duct insulation, shipbuilding insulation etc.
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