Pressure Gauge
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Applications
Fire sprinkler system
Suitable for all media that will not obstruct the pressure system or attack copper alloy parts
Feature
1. Certification: UL listed
2. Size: 4" (100mm)
3. Accuracy grades: ±3/2/3％ (ASME B40.100 B level)
4. Range: 0-300Psi (Water and air)
5. Working temperature
Air temperature: -40°F~140°F (-40°C~60°C)
Medium temperature: Highest to 140°F ( 60°C)
Temperature error: initial temperature is 68°F (20°C), each rise or decrease by 18°F (10°C), additional error is 0.4％
6. Bourdon tube: brass
7. Connection size: brass 1/4"NPT
8. Built-in spring: copper alloy
9. Dial: white aluminum stop pin
10. Indicator: black aluminum
11. Case: carbon steel or stainless steel
12. Window: Tempered glass
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