WEICHAI & PSI SERVICE MANUALS AVAILABLE ONLINE AT FLYPARTSGUY.COM HEAVY-DUTY DUAL STAGE REGULATOR: The heavy-duty dual stage regulator vaporizes liquid propane to gaseous form and also regulates the fuel pressure to meet the fuel pressure requirement as is shown in Figure 4. Figure 4 Heavy-Duty Dual Stage Regulator The HD DSR is a two stage fully mechanical regulator that is available in LPG configurations. The DSR is normally open with a positive outlet pressure and must be used with fuel lock-off upstream to prevent fuel flow when the engine is not cranking or running. The HD DSR is connected to the DEPR, by a low pressure flexible hose.
It also has a reference port that is connected to the fuel / air mixer for turbo- charged applications. Key features of the HD Dual Stage Regulator are: - Full mechanical pressure regulation - Can be engine or chassis mounted (vibration requirements are defined on the installation drawing). - Flows 250 kW at the rate inlet pressure. - 1725 kPa inlet regulated down to a 3.5 kPa outlet pressure WEICHAI EMISSION-RELATED INSTALLATION INSTRUCTIONS GET YOUR WEICHAI & AFTERMARKET SERVICE PARTS AT FLYPARTSGUY.COM