General Panel Mount Gauges

General panel mount pressure gauge

Specifications:

SIZES: 2", 2-1/2", 3-1/2"

RANGES: : 0-15 psi though 0-3000 psi*

ACCURACY: ±3-2-3% of span (Grade B)

BOURDON TUBE: Pressure ranges above 15 psi up to and including 1000 psi are phosphor bronze, soft soldered 2000 and 3000 psi are phosphor bronze, silver soldered Vacuum and 15 psi are beryllium copper, soft soldered

WINDOW AND RING: Threaded, polycarbonate

MOVEMENT: Brass DIAL: Steel, white background with black markings. Utilizes the “zero band” concept where the zero graduation and numeral are replaced with a band representing the total accuracy tolerance at zero

POINTER: Aluminum, adjustable with black finish

CASE: 844: Drawn steel, with studs, U-clamp and nuts, black corrosion-resistant paint, furnished with two piece U-clamp and nuts, zinc plated 845: Drawn steel with three hole flange, black corrosionresistant paint CONNECTION: CBM, brass; 1/8-27 NPT: 2" and 2-1/2" up to 600 psi; 1/4-18 NPT: 2-1/2" 1000 psi and above and all 3-1/2" gauges

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Overhaul and maintenance
1. After a period of use and pressure, the movement of the pressure gauge will inevitably appear some deformation and wear, and the pressure gauge will produce various errors and faults. In order to ensure its original accuracy without distortion of quantity value transmission, it shall be replaced in time to ensure that the indication is correct, safe and reliable.
2. The pressure gauge shall be cleaned regularly. Because the inside of the pressure gauge is not clean, it will increase the wear of all parts, which will affect its normal work. In serious cases, the pressure gauge will fail and be scrapped.
3. According to jjg52-1999, the verification cycle of the pressure gauge installed at the pressure measuring part generally does not exceed half a year. For pressure gauges related to production safety and environmental monitoring, the verification cycle must be in accordance with the verification regulations and can only be less than half a year; If the industrial and mining conditions are bad, the verification cycle must be shorter.
4. If the medium at the pressure measuring part fluctuates greatly, is used frequently, has high accuracy requirements, and has strict requirements on safety factors, the verification cycle can be appropriately shortened according to the specific situation.

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