| Dial |
2.5” (63mm), 4” (100mm), white aluminum with black and red markings |
2.5” (63mm), 4” (100mm) white aluminum with black and red markings |
| Case |
AISI 304 SS |
AISI 304 SS |
| Lens |
Polycarbonate |
Polycarbonate |
| Ring |
AISI 304 SS |
AISI 304 SS |
| Socket |
OT 58 brass or AISI 316 SS |
316L SS |
| Connection |
1/4” NPT standard with restricted orifice |
1/4” NPT |
| Bourdon Tube |
Phosphor bronze C-shaped for pressures up to and including 600 psi (4,147 kPa) unless SS internals are specified AISI 316 SS C-shaped for 1000 psi (6,895 kPa) |
316L SS, drawn seamless |
| Movement |
OT 59 brass or SS |
304 SS Over/under stops for 4” (100mm) dial only |
| Pointer |
Aluminum, anodized black |
2.5” (63mm): Aluminum, anodized black
4” (100mm): Aluminum, anodized black, micrometer adjustable
|
| Welding |
Tin/copper alloy for pressures below 600 psi (4,147 kPa), 316 SS TIG Argon arc for pressures 600 psi (4,147 kPa) and above |
TIG |
| Over-Pressure Limit |
25% for pressures up to 600 psi (9,653 kPa) |
30% for pressures up to 600 psi (4,147 kPa)
15% for pressures over 600 psi (4,147 kPa)
|
| Gasket Material |
Silicone rubber for socket
EPDM for lens, filling plug and blow-out vent
|
2.5” (63mm): Buna N for case and block seal, Monoprene for lens seal
4” (100mm): EPDM
|
| Working Pressure |
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)
|
| Accuracy |
±1.5% of full scale |
2.5” (63mm): ±1.5% of full scale
4” (100mm): ±1% ANSI/ASME Grade 1A
|
| Enclosure Rating |
IP65 |
IP66 per UEC 529, UNI 8896 |
|
| Specs – 3A Approved Seal |
| Housing |
AISI 316 SS |
| Diaphragm |
AISI 316L SS, welded |
| Fill Liquid |
Glycerin |
| Minimum Operating Pressure |
30 psi (200 kPa) |
| Maximum Operating Pressure |
1,000 psi (6,900 kPa) |
| Gauge Connection |
1/4” NPT female |
| Process Connection |
1.5” (40mm) and 2” (50mm), Tri-Clamp® fitting standard |
| Process Temperature |
-4°F to 248°F (-20°C to 120°C) |
| Surface Finish |
8 Ra |
