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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If the pen is low, lengthen the linkage to make a correction 40 times as great in the low direction.

Back off all housing bolts 4 turns. Before installing this instrument, become familiar with the installation instructions in Section 2. Page 26 Section 5 – Installation Drawings Die-cast aluminum, black epoxy resin paint, waterproof and weather resistant hinged door; neoprene gasket seal DP Accuracy: Adapt a pointer to exposed end of the torque shaft.

WARNING notes indicate the presence of a hazard which can cause severe personal injury, death, or substantial property damage if warning is ignored.

Barton Instruments 202E

Apply percent differential pressure to the highpressure housing of the DPU. Adapt a graduated degree scale to torque tube housing. Assure all linkage screws are retightened.


Carefully remove the pressure housings from the bellows unit assembly. Remove the DPU from service and remove the pressure housings. The pointer attached to the torque tube shaft should indicate 8 degrees of travel.

Upon such authorization, and in accordance with instructions by NuFlo Technologies, Inc. The DPU is a dual bellows assembly baton within pressure housings.

The bellows are liquid filled and withstand overranges equal to the working pressure of the housing without calibration change. If the pen is high, shorten the linkage to make a correction bartln times as great in the high direction.

Check for internal pressure by attempting to 202s the housing in and out along the bolts. It’s a community-based project which helps to repair anything. Page 13 Section 4 – Troubleshooting Rotate pen arm and shaft by gripping the range arm and forcing or slipping the pen until it indicates zero.

Replacements made under this warranty will be shipped prepaid. Mount the DPU on a suitable pipe stand and connect to a standard pressure source. 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.


Warranty NuFlo Technologies, Inc. CAUTION notes indicate the presence of a hazard which can cause moderate personal injury or property 022e if warning is ignored. Make the necessary adjustment by turning the range arm adjust screw counterclockwise if the pen is slightly underranged and clockwise if the pen is slightly overranged. Movement of the bellows is transmitted through a torque tube from the DPU to the recording mechanism.

Barton Instruments E – ITT CONTROLS

The pen 220e and shaft should rotate at the range arm pivot point without loosening the range arm lock screw. The pen should indicate zero.

Arrange the differential pressure linkage as shown on page Tighten the bolts and return the unit to the factory or authorized NuFlo service center for repair. The torque tube is hermetically sealed to eliminate friction and leakage; it does not require lubrication.