½ plug is using for panel radiiators and towel warmer radiators. It is possible to produce special types of plugs according to customer`s demans. Air vents are procuced of calibrated brass and has the high resistance ability 
Key Mouth Spin Test : Maksimum 40Nm. 
O-Ring Test : Minimum 30I/h 
Air Press Test : 13 
Nickel coating : 3-6 Micron 
Hight Temperature Test : 120oC 
Material: DIN 17660/1191 DIN 17672/1 1983
 
Keyword,
½ Blind Plugs, Thermostatic radiator valve, valve, radiator bracket, heizkörper Konsolen, panel radiator bracket, no burning rubber o ring, heating ring, ½ Blind Plug