The Walchem EWN-B11PAUR pump is now obsolete and the replacement model is the EWP-045BPA07N-USR pump. For reference, the obsolete EWN-B11PAUR specifications were:
Series: EWN-R
Max Output: 0.6 GPH
Max Pressure: 150 PSI
Pump Head: Glass Fiber Reinforced Polypropylene
Valve Seats: PCTFE
O-Rings: AFLAS
Valve Balls: Ceramic
Diaphragm: PTFE (+ EPDM Backer)
Gaskets: PTFE
Tubing: ⅜″ OD PE
Electrical: 115V US Plug
Control Module: Manual Control, Pulse & Analog Input, Stop/Pre-Stop Input
