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Case

3.5” (90mm), 4” (100mm): Steel painted black

4.5” (115mm): Aluminum

6” (150mm) Bottom: Steel painted black

6” (150mm) Back: Aluminum

Lens

3.5” (90mm), 4.5” (115mm) bottom connection, 6” (150mm): Glass

4″ (100mm), 4.5” (115mm) back connection: Polycarbonate

Ring

3.5” (90mm), 4” (100mm), 4.5” (115mm) bottom connection: Polished brass

6” (150mm) bottom connection: Steel painted black

4.5″ (115mm) back connection, 6″ (150mm) back connection: SS, polished

Socket Brass
Connection 1/4” NPT standard
Bourdon Tube Phosphor bronze
Pointer Black aluminum
Welding Silver alloy
Over-pressure Limit 25% of full scale value
Working Pressure Maximum 75% of full scale value
Ambient/Process Temperature -40°F to 200°F (-40°C to 93°C)
Accuracy ±1% ANSI/ASME Grade 1A
Enclosure Rating IP52