Barton Model 316C 4.5-inch DP Indicator

This Barton unit is a special version of the M450C specifically designed to meet MIL-S-901C Shock Grade A and MIL-STD-167 Vibration standards. This 4.5” (114mm)
indicator is widely used by the Navy for DP, flow and liquid level measurement in
shipboard installations.

Barton Model 450C Indicator

The Barton Model 450C indicates low DP in high static pressure applications. Its 4-1/2″ dial provides excellent readability with economy of space. The Barton M450C is a commercial version of the Barton M316C, used by the U.S. Navy for shipboard measurement of DP, flow, and Liquid level.

• Case: Aluminum (NEMA 4) or 316SST (NEMA 4X), Weather-proof
• Dial: 4-1/2 inch, 270° arc
• Actuated by the 224C DPU Indicating Mechanism

The indicating pointer traverses a 270° arc, providing excellent readability. It is driven by a precision, jeweled rotary movement that employs a thermally stable Ni-Span-C hair spring. The movement has a micrometer screw for range adjustments. Zero and range adjustments can be made without removing the scaleplate or pointer. Linearity adjustments are easily accessible after removal of the scaleplate.


The 4-1/2 inch diameter scale can be graduated uniformly for DP or level, or square root for direct reading of flow rate. Special scales for indicating liquid quantity in tanks can be provided.

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