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2. Shut-off nozzle - Wikipedia

   en.wikipedia.org/wiki/Shut-off_nozzle

   The nozzle is opened by external force, independent of the melt-pressure. The shut-off nozzle’s actuation is hydraulically or pneumatically driven. Externally actuated shut-off nozzles can have different ways of closing the melt stream.

3. Nozzle - Wikipedia

   en.wikipedia.org/wiki/Nozzle

   Convergent nozzles accelerate subsonic fluids. If the nozzle pressure ratio is high enough, then the flow will reach sonic velocity at the narrowest point (i.e. the nozzle throat). In this situation, the nozzle is said to be choked. Increasing the nozzle pressure ratio further will not increase the throat Mach number above one.

4. Glossary of firefighting equipment - Wikipedia

   en.wikipedia.org/wiki/Glossary_of_firefighting...

   Applied using eductor or compressed air foam system (CAFS) and pumped through fire hose to a foam nozzle (or sometimes a less-effective fog nozzle). Attack hose (Attack line) A use classification of a fire fighting hose connected to output of a pump or other pressure source (e.g., gravity). Fire hose used to apply water or other fire fighting ...

5. Air-line fitting - Wikipedia

   en.wikipedia.org/wiki/Air-line_fitting

   One side is connected to a flexible supply hose; the other may be attached to a manifold, valve, tool, or another hose. A female coupler is used on the supply side, and a male nipple is used on the receiving side. Fitting profiles have identifiable geometry on the male end, but care must be taken to use a compatible coupler.

6. Plug nozzle - Wikipedia

   en.wikipedia.org/wiki/Plug_nozzle

   Common garden hose trigger nozzles are a simple example of the plug nozzle and its method of operation. In this example the nozzle consists of a conical or bell shaped opening with a plug on a movable rod positioned in front of the nozzle. The plug looks similar to a poppet valve. The stem of the valve runs back through the body of the nozzle ...

7. High-integrity pressure protection system - Wikipedia

   en.wikipedia.org/wiki/High-integrity_pressure...

   A high-integrity pressure protection system (HIPPS) is a type of safety instrumented system (SIS) designed to prevent over-pressurization of a plant, such as a chemical plant or oil refinery. The HIPPS will shut off the source of the high pressure before the design pressure of the system is exceeded, thus preventing loss of containment through ...

8. Fog nozzle - Wikipedia

   en.wikipedia.org/wiki/Fog_nozzle

   A fog nozzle. A fog nozzle is a firefighting hose spray nozzle that breaks its stream into small droplets.By doing so, its stream achieves a greater surface area, and thus a greater rate of heat absorption, which, when compared to that of a smoothbore nozzle, speeds its transformation into the steam that smothers the fire by displacing its oxygen.

9. Aircraft engine starting - Wikipedia

   en.wikipedia.org/wiki/Aircraft_engine_starting

   In this pulse jet three air nozzles in the front section were connected to an external high-pressure air source, butane from an external supply was used for starting, ignition was accomplished by a spark plug located behind the shutter system, electricity to the plug being supplied from a portable starting unit. [27]