BARTON 199 Differential Pressure Unit (DPU)
The rupture-proof bellows differential pressure unit that actuates BARTON DP chart recorders, with over-range protection and pulsation dampening.
The BARTON 199 DPU is the actuating element behind BARTON differential pressure recorders, using a rupture-proof bellows assembly to convert DP into the mechanical motion that drives the recording pen.
It provides over-range protection and pulsation dampening for stable calibrations even under extreme variations in line pressure and ambient temperature, with NACE versions (M199 NACE) available for sour gas service.
- Rupture-proof bellows differential pressure sensing
- Over-range protection against pressure spikes
- Pulsation dampening for stable measurement
- Reliable mechanical actuation of DP recording pens
- NACE (M199 NACE) versions for H2S environments
- Proven design across BARTON 202E, 242E and 202N recorders
- Differential pressure flow measurement
- Orifice and primary-element DP recording
- Oil and gas and process plant service
- Sour gas applications (NACE versions)
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View Details →Model 202N NACE Sour Gas Chart Recorder
A 12-inch DP chart recorder designed to measure flow, static pressure and temperature in sour gas (H2S) applications, meeting NACE requirements.
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