A plenum chamber is located within {HEAD ~ the housing} for receiving a supply of pressurized fluid flowing from the fluid source and for maintaining the received fluid at {TAIL ~ a first predetermined pressure} 
A plenum chamber is located within { HEAD ~ the housing } for receiving a supply of pressurized fluid flowing from the fluid source and for maintaining the received fluid at { TAIL ~ a first predetermined pressure }
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL