O₂-Slag return safety device, heavy duty design (RL-HD)

[Translate to Englisch:] Sauerstoff-Schlackerücklaufsicherung, verstärkte Ausführung
[Translate to Englisch:] Technische Zeichnung
  • Reinforced HD-design with 8-10 clamping screwsat the body
  • Advantages:
    • perfect tightness
    • increased resistance against mechanical stress
    • no uncontrolled opening of the body
  • Safety function 1: shut-off in case of high heat radiation and slag return by temperature controlled valve
  • Safety function 2: shut-off against flow back into the hose

Available in 3 models:

  • 1. Model with thermoelement
    • higher resistance against heat, mechanical wear and pressure shocks thanks by reinforced design
    • extremely high flow rate, very low pressure loss
  • 2. Model with back part in stainless steel
    • particularly break resistan
  • 3. Model with thermoelement and back part instainless steel
for lance pipesSlag return safety device
lance pipe ØOutside-ØConnection (DIN EN 560)
R/BSPR [mm]A1A2
1/2"21,5G 1G 1
3/4" - 1"27 - 34G 1 1/4G 1 1/4
1" - 1 1/4"34 - 42G 1 1/2G 1 1/2
1 1/2"48G 2G 2
2"60G 2 1/2G 2 1/2
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You can see the standard versions available from stock. We also develop special designs according to your special requirements.