1. Product name: hydraulic pressure gauge.
2. Built in half steel with flange.
1. Gauge diameter: 1-1/2, 2, 2-1/2, 3, 4 inch.
2. Accuracy: 1-1/2、2 (inch)+/- 3-2-3%2-1/2 (inch) +/-2%, 3 (inch) +/-1.5%, 4 (inch) +/-1%.
3. Pressure range: vacuum 0~30inHg to 7000psi (500kg/cm2) applicable to 1-1/2、2 inch.
4. Vacuum 0~30inHg to 15000psi (1000kg/cm2) applicable to2-1/2, 3, 4 inch.
5. Cover material: SUS304 (stainless steel).
6. Framing materials: SUS304 (stainless steel).
7. Mirror materials: reinforced glass, PC.
8. Connecting materials: copper and other threads.
9. Fitting materials: alloy copper.
10. Filling liquid: glycerin. 11. NBR.