• Air/Water gauge 0-300 PSI 1/4" NPT Plastic Back
• Available Personalized 
• This gauge has a plastic back. It's also available in steel back 
• If you don't see your fire sprinkler parts Contact Us. (866) 277-2042
• This is a USA Made Wika Gauge ® Manufactured by Wika Instrument Corportation ® sold under the Argco ® brand name.

Technical Specifications

Application: Fluid medium which does not clog connection port or corrode copper alloy. Specifically designed for the fire sprinkler industry.
Size: 4” (100 mm)
Accuracy ± 3/2/3% of span - 1½" (ASME B40.1 Grade B)
Working Range Steady: 3/4 of full scale value Fluctuating: 2/3 of full scale value Short time: full scale value Operating Temperature Ambient: -40°F to 140°F (-40°C to 60°C) Media: max. 140°F (+60°C)
Temperature Error Additional error when temperature changes from reference temperature of 68°F (20°C) +0.4% for every 18° F (10°C) rising or falling. Percentage of span.
Connection Material: copper alloy Lower mount (LM) - not available for 1½" size 1/4" NPT limited to wrench flat area
Bourdon Tube: Material: copper alloy C-type
Movement: Copper alloy, silicone dampened
Dia: White plastic with stop pin - black & red lettering
Pointer: Black aluminum
Case: Black Polycarbonate
Approvals: UL listed (UL-393) FM approved
Standard Scale PSI
Window Acrylic, ultrasonically welded to case
Standard SeriesType 110.10sp

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