Skip to product information
1 of 1

MAI Chemical Supply

MTM Hydro MG4000 Unloader - 4000 PSI

MTM Hydro MG4000 Unloader - 4000 PSI

Regular price $70.00
Regular price Sale price $70.00
Sale Sold out

MTM Hydro's MG4000 unloader series is a trapped pressure unloader that has universal 3/8" ports for mounting, installation, and bypass requirements. The MG400 unloader readily competes and regularly replaces competing models such as the VRT3 or Pulsar Unloaders. With its enticing price point, this Italian designed and manufactured unloader can be found across dozens of industries including Mobile Cleaning, Car Wash Installations, Mining, Auto Detailing, and many more.


  • Bypass - Two available 3/8" NPT Female ports
  • Inlet - Two available 3/8" NPT Female on side or bottom
  • Outlet - 3/8" NPT Female
  • Mounting port - 3/8" NPT Female bottom mounting port available
  • Other - 1/4" Side port located near handle for supporting accessory


  • Max - 4,000 PSI - Blue O-Ring
  • Max - 10.5 GPM
  • Max - 195°F temp rating
  • View full details