MTM Hydro Stainless Steel Gauge Fitting #24.0101

MTM Hydro Parts

MTM Hydro's Stainless Pressure Gauge Gauge fitting is meant to be paired with any 1/4" NPT Pressure Gauge. MTM Hydro offers two sizes in 5,000 PSI and 10,000 PSI which are sold separately. Once installed, this device effectively measures running pressure and catches spikes that occur when your gun trigger is released or engaged. Accuracy in identifying pressure levels is critical to foam output when using a Foam Cannon and important when determining the correct orifice size of any nozzle. Many pressure washers have a “Pressure at the Pump” rating but fail to meet that pressure once the water exits the gun. Pressure loss can be experienced as hose lengths increase beyond 50’, which is normal, although, if you are able to measure that pressure drop and notice that it was significant +/- 300 PSI you can save your pump as you are now alerted there may be an issue. You will know this is happening because of a lag in time it takes your pump to replenish lost pressure once the spray gun is engaged and the gauge will display a lower-then-normal reading for a longer period of time when compared to your baseline taken when you first installed the gauge.

Pressure Loss over time:

Another factor to consider is that over time, all nozzles will wear and ‘open’ which creates a loss in pressure. As your pressure is lost, due to an enlarging orifice, your pump is then operating in an un-ideal state and is effectively, overworking as it is set to operate at a specified PSI and GPM. Your nozzle, essentially protects your pump! Keep your nozzle updated by making sure you know what Baseline PSI is and what PSI you have after 1 week, 1 month, 1 year… etc…

 

How to use this Gauge and where to place it in the line:

Use your assembled gauge to measure baseline PSI and compare against baseline at later dates for accuracy. Most commonly, the gauges are found in two places:

  1. A fixed location immediately following the pump or unloader to measure “Pressure at the Pump.”
    1. See Figure 1
    2. Catches pressure spikes
    3. Alerts of cavitation in pump that you may not hear or feel – Needle on gauge will bounce and appear to be trembling
  2. A Temporary position at the base of the Spray gun for intermittent checking of pressure to ensure your nozzle does not need to be replaced
    1. See Figure 2
    2. Catches pressure spikes
    3. Informs user of the most accurate PSI as water leaves the system
    4. If pressure drops over time, User can compare to Baseline PSI and take appropriate action

Specs:

3/8" QC Coupler X 3/8" QC Plug w/ 1/4" Central Port

Max 6,000 PSI


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