- 280 Bar rated pressure

- 40 Lpm max flow

- 90°C rated water temperature

- Trapped pressure valve

- Brass & steel construction

- Blue spring with regulator knob

- 3/8"BSPF inlet

- 3/8"BSPF outlet

- 3/8"BSPF bypass

- 1/4"BSPF gauge port

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.