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VA Series Vapor Actuated Dial Thermometer
Specifications
Dial Sixes: 2", 2
1
⁄2", 3
1
⁄2", 4
1
⁄2"
Dial: Aluminum with white finish and black markings
Pointer: Furnished standard adjustable
Movement: Brass with precision gearing
Bourdon Tube: Phosphor bronze
Accuracy: Plus or minus one scale division
Case: Stainless steel on all front flange and U-clamp models.
Back flange models in stainless (2"), black steel (3
1
⁄2")
or Valox (4
1
⁄2")
Process Plain bulb,
1
⁄2" NPT Union,
1
⁄2" NPT sliding union
Connection: on 12 Connection: bendable extension, or thermowell.
Window: Polycarbonate. Glass in 3
1
⁄2" and 4
1
⁄2" back flange
models
Bulb: Stainless steel or nickel plated copper. Bulb O.D.
7
⁄16"
(optional
1
⁄4" O.D. x 2" length on -40 to 65°F range
only). Bulb lengths vary from 2" to 6" depending on
capillary length
Capillary: Nickel plated copper, copper with bronze braid
armor, stainless steel, stainless steel with stainless
steel armor. Capillary lengths 1 to 100 feet (standard
length 5 feet)
Ranges: Over twenty °F and °F/°C ranges available, from -40°
to +450°F
Applications: Control panels, chemical processing, pipelines, food
processing, OEM applications, ovens, solar heating,
Vapor actuated thermometers give excellent readings when
the bulb temperature is either above or below the
temperature of the indicating head. Avoid applications in
which the bulb and head are the same temperature
(ambient applications). If the bulb “crosses ambient” (i.e.,
goes from hotter than the indicating
7