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Freon Pressure Gauge Size: from 2.5’’ to 4’’
Pressure range: from 30inHg to 800 psi
Socket: brass material
Thread: BSP, NPT, BSPT, PT, ZG and other special specification
Bourdon tube: Phosphor bronze or Stainless Steel material
Lower Case: 304 St St., back with no screws
Bezel: 304 St St rolling ring
Window: PC lens
Dial Plate: Single, dual or three scale (Bar, Psi, Kg/cm2, Kpa, Mpa)
Accuracy: 3-2-3%, 2.5%, 1.6%, 1%
Movement: Steel, brass
Pointer: Aluminum
Flange: 304 St St material
Restrictor: Brass or St St material
Over pressure: 130%
Connection type: one connection sealed
