Description
Design
ASME B40.100
Size
2½” (63mm)
Accuracy class
2½” + ASME B40.100 Grade A 2/1/2%
Scale ranges (all ranges not stocked)
Vacuum/Compound up to 200 PSI (16 bar)
Pressure from 15 PSI (1 bar) to 20,000 PSI (1,600 bar)
or other equivalent units of pressure or vacuum
Socket Material
316L Stainless Steel
Movement
Stainless Steel
Dial
White aluminum with black lettering; stop pin
Pointer
Black aluminum
Case
304 Stainless Steel with vent plug and SS crimping ring.
Welded case/socket connection
Front Flange
300 series Stainless Steel, polished
Working Range
Steady: ¾ of full scale value
Fluctuating: 2/3 of full scale
Short time: full scale value
Bourdon Tube
Material: 316 Stainless Steel
≤1,000 PSI (70 bar): C-shape,
>1,000 PSI (70 bar): Helical
Operating Temperature
Ambient: -4°F to 140°F (-20°C to 60°C)
Media: 212°F (+100°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.
Weather protection
Weather-tight (NEMA 4X/IP 65)
Vent Plug
Flat rubber – over 300 PSI (20 bar)
Field cuttable nipple – vacuum through 300 PSI (20 bar)
With yellow vent lever – available
Restrictor
316 Stainless Steel; 0.023” (0.6mm) orifice, standard
