Pump & Trap Combinations PMPT & WPT
What is a Pump-Trap? A Pump-Trap is a float-operated steam trap that works in conjunction with a steam powered condensate return pump (Pressure Motive Pump). It is used when system conditions prevent a steam trap from effectively discharging condensate due to excessive back-pressure, or when it is desirable to operate a heat exchanger in vacuum.
Vent
Motive Steam Inlet
Pump with Internal Steam Trap
Pump Mechanism (Includes Steam Trap)
Pump body and Steam Trap are one single integral unit.
Steam Trap
FLOW (Discharge)
Outlet Check Valve
FLOW (Inlet)
Inlet Check Valve
The PMPT pressure motive pump has an internal steam trap. The compact design makes it a suitable choice for most applications. Pump with Internal Steam Trap (PMPT)
The WPT is a stand-alone pump unit with a separate steam trap mounted on a common base. It is used when capacity requirements exceed that of the PMPT model. Pump with External Steam Trap (WPT)
Pump
Pump body and Steam Trap are separate but mounted on a common base.
Steam Trap
Outlet Check Valve
Inlet Check Valve
Outlet Check Valve
www.watsonmcdaniel.com •• 428 Jones Boulevard • Limerick Airport Business Center • Pottstown PA • 19464 •• Tel: 610-495-5131
37
Made with FlippingBook - Online magazine maker