REDUCING THE COST OF PIPELINE PH ELECTRODES.

Phoenix Electrode Sales CC has an adapter, part number I200, which allows a laboratory style pH electrode to be used in a pipeline. 

The adapter is made of CPVC and has a 3/4" NPT thread. A standard 12mm dia x 110mm electrode fits inside the adapter and is sealed with an O-ring. Standard electrodes are suitable for up to 170KPa but a special epoxy body electrode part number 5733530 can be used up to 690KPa.
 

Cost Comparison*

 
Part Number Description Installation cost Replacement Cost
1923537-016B Pipeline pH Electrode R706.00 R706.00
5733530-016B
plus I200		 Epoxy body pH electrode 
plus pipeline adapter		 R632.00 R432.00
1929657-016B Pipeline ORP electrode R866.00 R866.00
5739602-016B
plus I200		 Epoxy body ORP electrode
plus pipeline adapter		 R807.00 R607.00

*Prices correct at 1 November 1998