Sprinkler Dry Pressure Gauge FPPI-PG

Size	4" (100mm)
Scale ranges	0 - 20 bar
Inlet connection	1/4" NPT
Material	ABS (plastic)
Standards	EN 837-1 & ASME B40.100
Approvals	FM Approved, UL Listed

Rapidrop FM approved and UL Listed pressure gauges feature an impact and corrosion resistant case made from ABS (plastic). Features phosphor bronze bourdon tube movement with white enameled brass dial face with large numbers for easy reading. Dual scale to 300 PSI/2000Kpa

Technical Features

Design	EN 837-1 & ASME B40.100
Sizes	100 mm (4")
Accuracy Class	± 31/2% of span (ASME B40.100 Grade B)
Range	0/80 psi, retard to 250 psi (air) 0/300 psi (air,water, air/water)
Working Pressure	Steady: 3/4 of full scale value
	Fluctuating: 1/2 of full scale value
	Short time: Full scale value
Operating Temperature	Ambient: -40°C to 60°C (-40°F to 140°F)
Operating Temperature	Media: +60°C (140°F) maximum
Temperature Error	Additional error when temperature changes from reference temperature of 20°C (68°F) +0.4% for every 10°C (18°F) rising or falling. Percentage of span.

Material Specification

Bourdon Tube	Material: copper alloy C-type
Pressure Connection	Material: copper alloy 1/4” NPT lower mount (LM)
Movement	Copper alloy
Dial	White aluminium with stop pin; black and red lettering
Pointer	Black aluminium
Case	Black polycarbonate
Window	Snap-in clear polycarbonate