制冷 设备 和 制冷 recovery 设备
2.5” (63mm) 以 6” (150mm) 耐用 表
2.5” (63mm) 表盘 具有 蓝色 和 红色 coloured 表壳 用于 便捷 identification
双 刻度 (psi/°f)
flutterless 表芯 于 2.5” (63mm)
chlorofluorocarbon (CFC) 温度 刻度 (R-12, R-22 与 R-502)
黄铜 internals
1/4” NPT 标准
ASME B40.100 compliant
CRN registered
5 年 质保
| Dial | 2.5” (63mm), 4” (100mm), 6” (150mm): White aluminum |
| Case | 2.5” (63mm): Plastic, colour coded, blue for low pressure and red for high pressure, 4” (100mm), 6” (150mm): Steel, painted black |
| Lens | 2.5” (63mm): Plexiglass, threaded 4” (100mm), 6” (150mm): Glass |
| Ring | 4” (100mm): Brass, polished, |
| Connection | 1/8” NPT or 1/4” NPT standard |
| Restrictor Screw | Standard |
| Recalibrator Screw | Standard |
| Bourdon Tube | 2.5” (63mm): Phosphor bronze, vibration free (flutterless movement) 4” (100mm), 6” (150mm): Phosphor bronze |
| Pointer | Aluminum, anodized black |
| Welding | #50 tin solder |
| Over-Pressure Limit | 25% of full scale value |
| Scale | psi/°F (R-12/R-22/R-502) |
| Working Pressure | Maximum 75% of full scale value |
| Ambient/Process Temperature | -40°F to 158°F (-40°C to 70°C) |
| Accuracy | 2.5” (63mm): ±2% of full scale 4” (100mm), 6” (150mm): ±1% ANSI/ASME Grade 1A |
| Enclosure Rating | IP52 |
| Warning |  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. |
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