The Walchem EWN-B11PEURH pump is now obsolete and the replacement model is the EWP-038BPE07H-USR pump. For reference, the obsolete EWN-B11PEURH specifications were:
Series: EWN-R
Max Output: 0.4 GPH
Max Pressure: 250 PSI
Pump Head: Glass Fiber Reinforced Polypropylene
Valve Seats: EPDM
O-Rings: EPDM
Valve Balls: Ceramic
Diaphragm: PTFE (+ EPDM Backer)
Gaskets: PTFE
Tubing: ⅜″ OD PE
Connection: Suction Tubing & Discharge ¼″ NPTM or Tubing
Options: High Pressure Version (250 PSI)
Electrical: 115V US Plug
Control Module: Manual Control, Pulse & Analog Input, Stop/Pre-Stop Input
