Specs - Gauge
| Crimp-On Ring Style
| Bayonet Ring Style |
| 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 |
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| Lens | Polycarbonate | Polycarbonate |
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| Ring | AISI 304 SS | AISI 304 SS |
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| Socket | OT 58 brass or AISI 316 SS | 316L SS |
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| Connection | 1/4” NPT standard with restricted orifice | 1/4” NPT |
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| 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 |
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| Movement | OT 59 brass or SS | 304 SS
Over/under stops for 4” (100mm) dial only |
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| Pointer | Aluminum, anodized black | 2.5” (63mm): Aluminum, anodized black
4” (100mm): Aluminum, anodized black, micrometer adjustable |
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| 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 |
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| 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) |
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| 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 |
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| Working Pressure | Maximum 75% of full scale value | Maximum 75% of full scale value |
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| Ambient/Process Temperature | -40°F to 150°F (-40°C to 65°C) dry,
-4°F to 150°F (-20°C to 65°C) liquid filled | -40°F to 150°F (-40°C to 65°C) dry,
-4°F to 150°F (-20°C to 65°C) liquid filled |
| | | |
| Accuracy | ±1.5% of full scale | 2.5” (63mm): ±1.5% of full scale
4” (100mm): ±1% ANSI/ASME Grade 1A |
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| Enclosure Rating | IP65 | IP66 per UEC 529, UNI 8896 |
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|
Specs - 3A Approved Seal
| |
| Housing | AISI 316 SS |
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| Diaphragm | AISI 316L SS, welded |
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| Fill Liquid | Glycerin |
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| Minimum Operating Pressure | 30 psi (200 kPa) |
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| Maximum Operating Pressure | 1,000 psi (6,900 kPa) |
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| Gauge Connection | 1/4” NPT female |
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| Process Connection | 1.5” (40mm) and 2” (50mm), Tri-Clamp® fitting standard |
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| Process Temperature | -4°F to 248°F (-20°C to 120°C) |
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| Surface Finish | 8 Ra |
