Flow meters previously, manufactured under various names can often be replace by ABB Products. Buck Sales is an authorized distributor of products for ABB which includes: ABB Flow Meters, ABB Fischer & Porter Rotameters, and Valve Automation Products from Sensycon, Hartmann Braun, and Bailey.
Please note that at the end of April 2012, Siemens (formerly Wallace and Tiernan) discontinued manufacturing the rotameter product line under the Wallace and Tiernan name and then in July 2012 a group of former Wallace and Tiernan employees acquired the rights to manufacture these items from Siemens under the name UGSI Chemical Feed, Inc.
We were an Authorized Siemens distributor for these items. Currently, we can obtain the requested items from our stock or another distributor who is an authorized representative UGSI Chemical Feed, Inc. Items may be labeled Wallace & Tiernan (made by Wallace Tiernan, US Filter, Siemens) or USGI
Glass-Tube Purge Meters (Rotameters)

3" and 1-1/2 inch SS purge meters
Possible Replacement
Close match, distance between connection is slightly different
The ABB 5 and 10 inch meters gives
2% accuracy
Model 70-74
Kynar Frame Purge Meter

No direct replacement for Kynar Frame, closest is stainless steel frame with kynar wetted parts
Possible Replacement
Armored Purge Meter (Rotameter)

Possible Replacement
Armored purge meter with 1/4" horizontal connections
Glass Tube Rotameters
Possible Replacement
Very close match to existing meters,
some change in piping may be needed
PVC end fittings, TFE or PVC coated floats are available
Metal-Tube Rotameters
Possible Replacement
Height
is approx. 10"
TFE lined and Jacked Meters are available
Direct-View Rotameters

Possible Replacement
Ratosight Bronze Frame with Glass Tube and multiple flow configurations or standard glass tube rotameters