Stainless Steel Internals | Brass Internals | |
| Dial | 4.5” (115mm) white aluminum with black and red markings | 4.5” (115mm) white aluminum with black and red markings |
| Solid Wall | Phenolic | Phenolic |
| Pressure Relief Back | Polypropylene | Polypropylene |
| Window | Polycarbonate | Polycarbonate |
| Ring | Phenolic | Phenolic |
| Pointer | Aluminum, anodized black, micrometer adjustable | Aluminum, anodized black, micrometer adjustable |
| Socket | 316L SS | OT 58 brass |
| Connection | 1/4” NPT or 1/2” NPT standard, bottom or back | 1/4” NPT or 1/2” NPT standard, bottom or back |
| Bourdon Tube | 316L SS, drawn seamless | Phosphor bronze |
| Movement | 304 SS with under and overload stops | 304 SS with under and overload stops |
| Gasket Materials | Silicone (Viton® option) | Silicone (Viton® option) |
| Welding | TIG | Silver alloy |
| Over-pressure Limit | 25% for pressures up to 1,450 psi (9,998 kPa), 15% for pressures 1,500 psi to 8,700 psi (10,341 kPa to 59,984 kPa), 10% for pressures above 8,701 psi (59,984 kPa) | 25% for pressures up to 1,450 psi (9,998 kPa), 15% for pressures 1,500 psi to 8,700 psi (10,341 kPa to 59,984 kPa), 10% for pressures above 8,701 psi (59,984 kPa) |
| Working Pressure | Maximum 75% of full scale value | Maximum 75% of full scale value |
| Ambient Temperature | Dry: -40°F to 250°F (-40°C to 120°C) Glycerin Filled: -4°F to 150°F (-20°C to 65°C) | Dry: -40°F to 250°F (-40°C to 120°C) Glycerin Filled: -4°F to 150°F (-20°C to 65°C) |
| Process Temperature | -40°F to 257°F (-40°C to 125°C) | -40°F to 257°F (-40°C to 125°C) |
| Accuracy | ±0.5% ANSI/ASME Grade 2A | ±0.5% ANSI/ASME Grade 2A |
| Enclosure Rating | IP65 | IP65 |
| Warning (brass internals only) | N/A |  Warning: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. |
