APPLICATIONS:
| Stainless Steel Internals | Brass Internals | |
| Dial | 2.5” (63mm), 4” (100mm), 4.5″ (115mm), 6” (150mm) white aluminum with black and red markings | 4” (100mm), 4.5″ (115mm) white aluminum with black and red markings |
| Case | AISI 304 SS | AISI 304 SS |
| Lens |
Polycarbonate, High pressure BSP(G) and HP: Tempered safety glass |
Polycarbonate |
| Ring | AISI 304 SS | AISI 304 SS |
| Socket |
316L SS 2.5″ (63mm), 4″ (100mm), 4.5″ (115mm): Welded one-piece socket |
OT 58 brass |
| Connection |
1/4” NPT or 1/2” NPT standard 2.5” (63mm): 1/4” NPT standard only, High Pressure: 1/2″ BSP(G) or 9/16″ (HP or HP autoclave w/gland) |
1/4” NPT or 1/2” NPT standard |
| Bourdon Tube | 316L SS, drawn seamless | Phosphor bronze |
| Movement | 304 SS (under and overload stops 4″ to 6″) | OT 59 brass (under and overload stops 4″) |
| Pointer |
2.5” (63mm): Aluminum, anodized black, 4” (100mm), 4.5″ (115mm), 6” (150mm): Aluminum, anodized black, micrometer adjustable |
4” (100mm), 4.5″ (115mm): Aluminum, anodized black, micrometer adjustable |
| Welding | Laser welded socket to case | Silver alloy |
| Fill Liquid | Glycerin | Glycerin |
| Over-pressure Limit |
25% for pressures up to 1,450 psi (9,998 kPa), 15% for pressures over 1,450 psi (9,998 kPa) |
25% for pressures up to 1,450 psi (9,998 kPa), 15% for pressures over 1,450 psi (9,998 kPa) |
| Socket Gasket |
2.5” (63mm), 4″ (100mm), 4.5″ (115mm): Welded (no gasket) 6” (150mm): Buna N for one-piece external socket seal (silicone rubber option) |
4″ (100mm), 4.5″ (115mm): Buna N for two piece internal socket seal |
| Fill Plug | Buna N (silicone rubber option) | Buna N (silicone rubber option) |
| Lens Ring Gasket | Buna N (silicone rubber option) | Buna N (silicone rubber option) |
| 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 200°F (-40°C to 93°C) Glycerin filled: -4°F to 150°F (-20°C to 65°C) |
| Process Temperature | -40°F to 250°F (-40°C to 120°C) | -40°F to 200°F (-40°C to 93°C) |
| Accuracy |
2.5” (63mm): ±1.5% of full scale 4” (100mm), 4.5″ (115mm), 6” (150mm): ±1% ANSI/ASME Grade 1A |
±1% ANSI/ASME Grade 1A |
| Enclosure Rating | NEMA 4X/IP66, EN60529-1 (IEC529-1) | NEMA 4X/IP66, EN60529-1 (IEC529-1) |
| 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. |
