Product Name Product Type Nominal Diameter (mm) accuracy level measurement range (MPa) connecting thread apply oxygen gas gauge Y0-60 Φ60 2.5 0 ~ 0.1 ~ 25 M14 × 1.5 oxygen forbidden access to oil substances YO-100 Φ100 1.6 0 ~ 0.1 ~ 60 M20 × 1.5 YO-150 Φ150 1.6 0 ~ 0.1 ~ 60 M20 × 1.5 acetylene pressure gauge YY-60 Φ60 2.5 0 ~ 0.1 ~ 6 M14 × 1.5 acetylene YY-100 Φ100 1.6 0 ~ 0.1 ~ 6 M20 × 1.5 YY- 150 Φ150 1.6 0 ~ 0.1 ~ 6 M20 × 1.5 propane gauge YW-60 Φ60 2.5 0 ~ 0.1 ~ 2.5 M14 × 1.5 propane carbon dioxide pressure gauge YC-60 Φ60 2.5 0 ~ 0.1 ~ 25 M14 × 1.5 carbon dioxide, nitrogen gauge YN- 60 Φ60 2.5 0 ~ 0.1 ~ 25 M14 × 1.5 nitrogen YN-100 Φ100 1.6 0 ~ 0.1 ~ 25 M20 × 1.5 argon pressure gauge YAr-60 Φ60 2.5 0 ~ 0.1 ~ 25 M14 × 1.5 argon, hydrogen gauge YH-60 Φ60 2.5 0 ~ 0.1 ~ 25 M14 × 1.5 hydrogen YH-100 Φ100 1.6 0 ~ 0.1 ~ 60 M20 × 1.5 Note: If the instrument connecting thread or otherwise have special requirements, please consult the company made.