The Walchem EKB31R1-VC pump is now obsolete and the closest available model is the EWN-B31VCUR pump. For reference, the obsolete EKB31R1-VC specifications were:
Series: EK
Max Output: 3.3 GPH
Max Pressure: 30 PSI
Pump Head: PVC
Valve Seats: FKM
Valve Balls: CE
Diaphragm: PTFE (+ EPDM Backer)
Gaskets: PTFE
Tubing: PE
Connection: 1/2
Electrical: 115 VAC, 50/60 Hz
Control Module: Digital Speed Control, Manual Stroke Adjustment, External Pulse & Stop Input
Average Power: 20 Watts
Weight: 13 lbs
Alternate Number: EKB31R1VC
However, the obsolete pump was IP67 rated and the new EWN pump is only IP65 rated.
Go to our EWN-B31VCUR page to view and/or purchase the new replacement pump.