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Products > Marsh Pressure Gauges
General Service - J Gauge
Item: GENERALSERVICEJ
Marsh Instruments General Service Steel Case Gauges are an economical, general purpose gauge for pressure measurement from vacuum/compound through 5000 psi. Suited for use with water, oil, air, gas, or other non-corrosive media. Typical applications include FRLs, compressors, pumps, boilers, regulators, dryers as well as commercial and industrial equipment.
- Accuracy ASME Grade B = ± 3/2/3
(± 2% of range across middle half of scale)
- Case Size 1½", 2, 2½", 3½",
& 4½" diameter
- Case Material: Drawn steel, pretreated for
rust resistance and finished
with black enamel paint
- Case Style: Plain, U-clamp, center back
& front flange
- Tube & Socket: Copper alloy
- Movement: Brass sector and pinion
- Connections: 1/8" & ¼" NPT lower mount
center back, & center back
with U-clamp
- Ranges: 0-30 Hg vacuum; compound
ranges 30 Hg vacuum to 400 psi;
and 15 to 5,000 psi
- Standard Dial: Dual scale psi and kPa
- Dial Color: Black markings on white
- Pointer: Standard pointer
- Window: 1½", 2, 2½", 3½" flat twist in
clearlok; 4½" flat glass window w/ Friction Ring
Technical Documents
MARSH Catalog (PDF)
General Service Gauges, Liquid Filled Gauges
MARSH Catalog (PDF)
Precision Service, Process, Diaphragm, HVAC/R, Special Application Gauges
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