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Home > Dial Indicating Pressure Gauges > 300 Series Brass Case Liquid Filled Gauges > Product Specifications
300 Series Brass Case Liquid Filled Gauges
Product Specifications
| MODELS | SPECIFICATIONS | |
| Case | 25-300, 25-310, 40-300, 40-310 | Die cast brass - Natural brass finish |
| Cover Ring | 25-300, 25-310, 40-300, 40-310 | Polished brass |
| Lens | 25-300, 25-310, 40-300, 40-310 | Molded plexiglass with O-Ring seal |
| Bourdon Tube | 25-300, 25-310, 40-300, 40-310 (up to 600 psi) | Phosphor bronze "C" tube |
| 25-300, 25-310, 40-300, 40-310 (greater than 600 psi) | Coiled safety tube | |
| Connection | 25-300, 25-310 | 1/4" NPT die cast with the case. 7/16" - 20 SAE adjustable type straight thread with Viton O-Ring is also available as a stock option on many ranges (-4 SAE). |
| 40-300, 40-310 | 1/4" NPT die cast with the case. 1/2" NPT is available on certain 40-300 ranges as a stock option, and on all other 40-300 and 40-310's as a non-stock option. | |
| Movement | 25-300, 25-310, 40-300, 40-310 | Brass and Nickel-Silver with highly polished bearing surfaces |
| Safety Protection | 25-300, 25-310, 40-300, 40-310 | Safety relief disc on the top of the case |
| Accurary | 25-300, 25-310 | ± 1.5% Full Scale ASME grade A |
| 40-300, 40-310 | ± 1% Full Scale ASME grade 1A | |
| Pointer | 25-300, 25-310, 40-300, 40-310 | Balanced aluminum, black finish |
| Dial | 25-300, 25-310, 40-300, 40-310 | Aluminum, white background with black markings. Single scale psi is standard. psi/bar, psi/kPa, or psi/Kg/cm² dual scale are available as stock options. On dual scale dials, the outer scale is psi in black and the inner metric scale is red. UV resistant. |
| Fill Liquid | 25-300, 25-310, 40-300, 40-310 | Glycerine and water |