Area of Application
▪ Monitoring and control of pressure
▪ Venting
▪ Sampling in high- and low-pressure systems

Advantages
▪ Coupling at system pressure level
▪ Leakproof connection before ball check is open
▪ Simple connection to measuring, control and
  switching devices
▪ Self locking metal guard cap

Media
▪ Suitable for hydraulic oils and other mineral oil based fluids
  (Check compatibility of seal material)
▪ For use in conjunction with other liquid media
  please consult STAUFF

Working Pressure
▪ Max. working pressure 630 bar / 9137 PSI
  For SMK style G and K the recommended working
  pressure of fitting manufacturer has to be applied.
▪ Joining under pressure up to 630 bar / 9137 PSI max.

Materials
Metal parts made of:
▪ Steel, black zinc/nickel-plated = C6F* (CrVI-free)
Optional:
▪ Stainless Steel V2A (1.4305 / AISI 303) on request
▪ Stainless Steel V4A (1.4571 / AISI 316Ti) on request

* Note: The changover of our standard surface finishing
  "zinc plated" to the chromium (VI) free surface finishing
  "black zinc/nickel-plated" will proceed gradually.

Ball made of Stainless Steel

Sealings made of:
▪ P = NBR (Buna-N®)
  Temperature range -20 °C ... +100 °C / -4 °F ... +212 °F
▪ V = FPM (Viton®)
  Temperature range -20 °C ... +200 °C / -4 °F ... +392 °F
▪ E = EPDM (Ethylene Propylene Diene Rubber)
  for brake fluid,
  Temperature range -40 °C ... +150 °C / -40 °F ... +302 °F

Protection Cap
▪ The complete STAUFF Test 15-type-SMK range is also
  available with a hexagonal protection cap made of steel.

Note
▪ On request STAUFF Test 15 is also available as SKK-type
  including "Gas"- and "Filling"- versions.