ammonia-pressure-gauge.png
Dial 4” (100mm), 6” (150mm), 8.5” (215mm), 10” (250mm): White aluminum with black and red markings 2.5” (63mm), 3.5” (90mm), 4” (100mm):  White aluminum with black and red markings 2.5” (63mm), 4” (100mm): White aluminum with black and red markings
 Case

4” (100mm), 6” (150mm): AISI 304 SS

8.5” (215mm), 10” (250mm): Aluminum case

2.5” (63mm), 4” (100mm): AISI 304 SS

3.5” (90mm): Steel, painted black

2.5” (63mm), 4” (100mm): Steel, painted black
 Lens Polycarbonate Polycarbonate Polycarbonate
 Ring

4” (100mm), 6” (150mm): 304 SS

8.5” (215mm), 10” (250mm): Aluminum

2.5” (63mm), 4″ (100mm): 304 SS

3.5” (90mm): Steel painted black

2.5” (63mm), 4″ (100mm): Steel, painted black
 Socket 316L SS 316L SS

2.5” (63mm): Steel

4” (100mm): Nickel plated steel

 Connection 1/4” NPT 1/4” NPT standard 1/4” NPT standard
 Bourdon Tube 316L SS, drawn seamless 316L SS, drawn seamless 316 SS
 Movement 304 SS 304 SS 304 SS
 Pointer Aluminum, anodized black, micrometer adjustable Aluminum, anodized black Aluminum, anodized black
 Welding TIG TIG TIG
 Over-pressure Limit 30% of full scale value 30% of full scale value 30% of full scale value
 Working Pressure Maximum 75% of full scale value Maximum 75% of full scale value Maximum 75% of full scale value
Ambient/Process Temperature

Dry: -40°F to 150°F  (-40°C to 65°C),

Glycerin filled: -4°F to 150°F  (-20°C to 65°C)

Dry: -40°F to 150°F  (-40°C to 65°C),

Glycerin filled: -4°F to 150°F  (-20°C to 65°C)

Dry: -40°F to 150°F (-40°C to 65°C)
 Accuracy

4” (100mm), 6” (150mm): ±1%ANSI/ASME Grade 1A

8.5” (215mm), 10” (250mm): ±0.5% ANSI/ASME Grade 2A

±1.5% of full scale ±3-2-3% ANSI/ASME Grade B
 Enclosure Rating

2.5” (63mm), 4” (100mm), 6” (150mm): IP65

8.5” (215mm), 10” (250mm): IP52

IP65 IP52