Barton Chart Recorders E/E/J8A, formerly known as ITT Barton Recorders, is the leader for recording of DP (Differential Pressure), pressure. The Barton Instruments E is a chart recorder that is used in gas transmission and distribution fields. It is an inch accurate calibration unit that even works. Barton E – Differential Pressure Recorders, E, Barton uae.

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Warranty NuFlo Technologies, Inc. The bellows are liquid filled and withstand overranges equal to the working pressure of the housing without calibration change. This procedure should be performed prior to removing the DPU housing bolts, if the DPU has been installed in gas applications with working pressures greater than psig.

Upon such authorization, and in accordance with instructions by NuFlo Technologies, Inc. Assure all linkage screws are retightened.

202w notes indicate the presence of a hazard which can cause severe personal injury, death, or substantial property damage if warning is ignored. Carefully remove the pressure housings from the bellows unit assembly. Mount the DPU on a suitable pipe stand and connect to a standard pressure source.


Make the necessary adjustment by turning the range arm adjust screw counterclockwise if the pen is slightly badton and clockwise if the pen is slightly overranged. If the pen is low, lengthen the linkage to make a correction 40 times as great in the low direction.

Barton Instruments E – ITT CONTROLS

Movement of the bellows is transmitted through a torque tube from the DPU to the recording mechanism. Apply percent differential pressure to the highpressure housing of the DPU. The pen should indicate zero. Before installing this instrument, become familiar with the installation instructions in Section 2. Tighten the bolts and return the unit to the factory or authorized NuFlo service center for repair.

Check for internal pressure by attempting to move the housing in and out along the bolts. Rotate pen arm and shaft by gripping the range arm and forcing or slipping the pen until it indicates zero.

Arrange the differential pressure linkage as shown on page Replacements made under this warranty will be shipped prepaid. Page 26 Section 5 – Installation Drawings CAUTION notes indicate the presence of a narton which can cause moderate personal injury or property damage if warning is ignored. The pen arm and shaft should rotate at the range arm pivot point without loosening the range arm lock screw.


The torque tube is hermetically sealed to eliminate friction and leakage; it bbarton not require lubrication. Adapt a graduated degree scale to torque tube housing.

It’s a community-based project which helps to repair anything. The pointer attached to the torque tube shaft should indicate 8 degrees of travel. If the pen is high, shorten the linkage to make a correction 40 times as great in the high direction.

BARTON Chart Recorders 202E

Page 13 Section 4 – Troubleshooting Remove the DPU from service and remove the pressure housings. Die-cast aluminum, black epoxy resin paint, waterproof and weather resistant hinged door; neoprene gasket seal DP Accuracy: Back off all housing bolts 4 turns. The DPU is a dual bellows assembly enclosed within pressure 2002e. Adapt a pointer to exposed end of the torque shaft.

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