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The Ashcroft® F5509/F6509 gauges are ideal for differential pressure monitoring within harsh process environments. These stainless steel gauges provide high visibility, reliability, corrosion resistance and safety. Ideal solution for monitoring low differential pressures in applications such as flow measurement, tank level, filter monitoring, gas blanketing and leak detection.
F5509 and F6509 Differential Pressure Gauges
Unit of Measure
Items F5509 and F6509 Differential Pressure Gauges
F5509
F5509 Differential Pressure Gauge
F5509 and F6509 Differential Pressure Gauges
F6509
F6509 Differential Pressure Gauge
Description N/A The Ashcroft® F5509 gauges are ideal for differential pressure monitoring within harsh process environments. These stainless steel gauges provide high visibility, reliability, corrosion resistance and safety. Ideal solution for monitoring low differential pressures in applications such as flow measurement, tank level, filter monitoring, gas blanketing and leak detection.
Brands N/A Ashcroft®
Accuracy N/A Class 1 with ± 1% of Span (Optional) Class 1.6 with ± 1.6% of Span (Standard)
Pressure Ranges N/A 0 to 10 inH2O to 400 psid
Process Connection Size (National Pipe Thread (NPT)) N/A G 1/2 B G 1/4 B M20 x 1.5 Male 1/2 in1/4 in
Process Connection Type N/A National Pipe Thread (NPT) Male
Wetted Material N/A ≤ 6 psid 316 Stainless Steel ≥ 8 psid Duratherm 316 Stainless Steel with Diaphragms
Weather Protection1 N/A Ingress Protection (IP66)
Maximum Process Temperature N/A 212 ºF100 ºC
Dial/Case N/A 4 in6 in100 mm160 mm
Case Style N/A 316L Stainless steel Open Front Case with Rear Blow Out Disk 316L Stainless steel Solid Front Case with Rear Blow Out Back
Process Connection Location N/A Lower
Mounting N/A Direct (Standard) Pipe (Optional) Wall
Window N/A Shatterproof Glass
Key Features N/A
  • 316L stainless Steel Case and Wetted Parts
  • External Zero Adjustment
  • Flow Measurement Dial (Optional)
  • Electric Contacts (Optional) for Process Monitoring and Control
Applications N/A Process Market:
Oil and Gas
Chemical and Petrochemical Plants
Water and Wastewater Pressure Control
Mining and Metals
Power Generation

Industrial Market:
Tank Level Monitoring Equipment
  • 1 For instuments with electric contacts Ingress Protection (IP) 65