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Utility Steel Case Gauges
ABS Plastic Case Gauges
Utility Square Gauge
Movementless Gauge
Mechanical Contractor's Gauge
Miniature Gauge systems
Compressed Gas Gauges
Liquid Filled Gauge
All Stainless Steel Gauge
Temperature pressure gauge
Low Pressure Diaphragm Gauge
Refrigeration Test Gauges
Spiral Tube Gauge
Sprinkler System Gauge
Solid Front Pressure Gauge
Precision 6" Test Gauge
Electric Contact All SST Gauge
Ammonia Gauge
Bimetal Thermometers
Tester Pressure Set
 
Refrigeration Test Gauges
Type:311&312

Application
The gauges offer several ranges for use with various type of refrigerants. These gauges can be permanently mounted in cooling systems or used on portable manifolds.
Size
2” , 2.5” , 3.5”
Accuracy
±2.5% of Span (Grade B ANSI B40.1)
Ranges
30"Hg - 0 - 120psi retarded to 350 psi
0-500 psi;0-10bar,0-30bar
Or other equivalent units of pressure or vacuum range.
Operating Temperature
Ambient:  -4℉ to 140℉ (-20℃ to 60℃)


Standard Feature:

Connection
Material: Copper alloy
Lower mount (LM)
1/8"NPT
Bourdon Tube
Material: Copper alloy
C-type
Movement
Copper Alloy
Dial
Gavalum steel, white backgroound with black markings. Refrigerant temperature scales.
Pointer
Aluminum, with an adjusting screw for resetting
Case
311A - ABS, low pressure in Blue & high pressure in Red
311B - Drawn steel case, low pressure in Blue & high pressure in Red
312 - Drawn steel case with U_Clamp & Front Flange available
Window
Twist-On threaded, polycarbonate


Specification Chart1 Specification Chart2


Order Options(min. order may apply)
Brass threaded or press fit restrictor
Nickel or chrome plated connection
Customer dial layout
Other pressure scales available: Bar, kPa, MPa, kg/cm2 & dual scales
 

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