Description
Applications
- Fire sprinkler systems
- Suitable for all media that will not obstruct the pressure system or attack copper alloy parts
Product features
- UL-listed (UL-393), United States and Canada
- Factory Mutual (FM) approved
- Reliable and economical
Specifications
Design
EN 837-1 & ASME B40.100
Sizes
4” (100 mm)
Accuracy class
± 3/2/3% of span (ASME B40.100 Grade B)
Ranges
0/80 psi (5.5 bar), retard to 250 psi (17 bar), air
0/300 psi (20 bar), 0/400 psi (28 bar), 0/600 psi (40 bar), water
Working pressure
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: 140°F (+60°C) maximum
Temperature error
Additional error when temperature
changes from reference temperature
of 68°F (20°C) +0.4% of span for every 18°F (10°K) rising or falling.
Bourdon tube
Material: copper alloy
Pressure connection
Material: copper alloy
1/4“ NPT lower mount (LM)
Movement
Copper alloy
C-shape
Dial
White aluminum with stop pin; black and red lettering
Pointer
Black aluminum
Case
Black polycarbonate
Window
Snap-in clear polycarbonate
Approvals
UL listed (UL-393)
Factory Mutual
Selected documents
