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 Pressure regulators; air relays / cylinders. www.controlair.com |
 Gauges; thermometers. |
 Magnehelic gauges; air filter gauges; pressure, flow & level switches & transmitters. www.dwyer-inst.com |
 Recorder marking systems; pens, chart paper & ink www.graphiccontrols.com |
 Gauges; pressure switches www.bristolbabcock.com/ helicoid.htm |
 Gauges; thermometers; needle valves. www.marshbellofram.com |
Differential pressure |
 Gauges & needle valves. www.noshok.com |
 Digital panel meters, annunciators & scanners. www.predig.com |
 Pressure & temperature regulating valves. www.sterlco.com |
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 Pressure recorders & switches www.dresserinstruments.com /weksprodpage.html |
 Gauges, thermometers, chemical diaphragm seals, pressure switches & transmitters. www.wika.com |
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