Ceiling angle 15mm - 1/2" / 4472g, gunmetal (pack of 2) gunmetal fitting red brass gunmetal, air conditioning air conditioning water heating gas solar heating refrigerant

---

The gunmetal fittings from Kupfer King ® / copper king ® listed for sale here for pipe connection technology are manufactured as capillary fittings in accordance with din EN 1254-1 to din EN 1254-5, the connection diameters were manufactured based on DVGW worksheet GW 8.

The gunmetal fittings consist of the following elements: CuSn5Zn5Pb2-C / EN number CC 499K with requirements to din 50930-6.

Red Brass Gunmetal / CC499K according to UBA list = Federal Environment Agency list for approved materials
Alloy in %
CU 84 87.5 / Ni 0-0.60 / P 0-0.04 / Pb 3 / Sn 4-6 / Zn 4-6

Permissible impurities in %
Al 0.01 / As 0.03 / Bi 0.02 / Cd 0.02 / Cr 0.02 / Fe 0.30 / S 0.04 / Sb 0.10 / Si 0.01

Other elements in %, maximum 0.25 total
0.02 maximum from:
Cadmium / Chromium / Selenium / Bismuth

Red Brass - Gunmetal / CC499K
Sand casting (GS)
Rp0.2 min. MPa 90 / Rm min. MPa 200 / A5 min. %13

Continuous casting (GC)
Rp0.2 min. MPa 110 / Rm min. MPa 280 / A5 min. %13

Casting parts brass - gunmetal
Casting parts is free from shrinkage cavities, porosities and cracks.The surface roughness of the machined internal surface is Ra 3.2 microns.

Decincification
The dezincification resistance we tested to din EN ISO 6509,maximum depth of dezincification is 200 microns.Demonstrated to ISO 6957 or din EN ISO 196.

Use or Possible uses of red brass / gunmetal CC499K
Drinking water/sanitary; heating system; pressure air; Solar; Oil; Refrigeration

Copper pipes in accordance with din EN 1057 and DVGW worksheet GW 392 can be used for these gunmetal solder fittings.

Areas of application:

• Drinking water installations
• Heating installations including wall heating and underfloor heating
• Natural gas installations
• Liquefied gas installations
• Medical technical gases
• Pure gases, solar systems
• Heating oil installations
• Compressed air systems dry and oil-free
• Rainwater harvesting systems
• Wastewater disposal
• Refrigeration and air conditioning installations.

Dimension range: currently 6mm to 54mm (see technical data)

The Kupferking company® has stood for not only first-class quality but also affordable prices for many years.
Convince yourself of our products, thousands of satisfied customers speak for themselves.