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2.5" SPAN GAUGE DRAWING
3.5" SPAN GAUGE DRAWING
4.5" SPAN GAUGE DRAWING
COMPENSATED DIAPHRAGM

SPAN Instruments Liquid Filled Brass Gauge - 2.5", 3.5" & 4.5" Diameter

Ashford Instrumentation Ltd are an approved re-seller of the SPAN Instruments product range.

The Span liquid filled bourdon tube pressure gauges with brass wetted parts are designed for rugged service applications. The liquid fill dampens the gauge pointer for improved reading and longer life making these gauges ideal for high shock and vibration applications. 

The Zytel nylon case and ring offer good appearance and excellent resistance to chemical, weather and corrosion attack. On the 2.5" gauge, ranges up to 60 PSI are 100% liquid filled and feature the SPAN "ICD" (Internal Compensating Diaphragm) patented internal breathing diaphragm allowing 100% liquid fill with no expansion bubble.

The ICD Diaphragm is also available as an option on all other 2.5" diameter ranges and standard on all ranges for the 3.5" and 4.5" designs. SPAN liquid filled gauges are available in bottom or centre back conection as well as panel mount clamp fixing design in diameters 2.5", 3.5" and 4.5".