4 Inch Polycarbonate Case Pressure Gauges with Diaphragm Seal

Diaphragm:

SS316L, Viton, Monel, Hastelloy, Tantalum available 

Dial

4.5” (115mm) white aluminum with black and red markings

Case

Black phenolic with safety blowout back, solid front, integral back flange

Solid Wall

Phenolic

Lens

Polycarbonate

Ring

Phenolic

Pointer

Aluminum, anodized black, micrometer adjustable

Socket

316L SS

Connection

1/4” NPT or 1/2” NPT standard, bottom

Bourdon Tube

316L SS, drawn seamless

Movement

304 SS with over/under stops

Gasket materials

Buna N (Silicone rubber option)

Welding

TIG

Over-pressure Limit

25% for pressures up to 1500 psi/kPa,
15% for pressures 1501 to 8700 psi/kPa, 
10% for pressures above 8701 psi/kPa

Working pressure

Maximum 75% of full scale value

Ambient/ Process Temperature

-40°F to 200°F (-40°C to 93°C) dry / 
-4°F to 150°F (-20°C to 65°C) glycerin-filled

Accuracy

±0.5% ANSI/ASME Grade 2A

Enclosurre Rating

IP65