Pressure Gauge with Flange

Specifications:
1) Liquid Type: Glycerol or Silicone;
1) Diameter: 1. 5", 2", 2. 4", 2. 75", 3", 3. 5", 4", 4. 5", 5. 5", 6", 6. 5", 7. 5", 8";
2) Case: 304, 316 stainless steel;
3) Window: Polycarbonate;
4) Range: -30-0psi; 0-15psi, . . . 0~15, 000psi;
5) Scale: psi, bar, Mpa, Kpa, KG / cm2, Hg;
6) Accuracy Class: 3% -2% -3% , 1. 6% , 1% ;
7) Thread: 1 / 8", 1 / 4", 3 / 8", 1 / 2", 5 / 8", 7 / 8" NPT;
8) BSP, BSPT or PT or ZG;