... . Thread tpye: NTP, BSTP, BSP, DIN259/2999 7. Suitable media: Water, oil, air and some corrosive liquids 8. Inner packing: Plastic ... industry,Refinery,Powerstation,Food,Pharmaceutical,Paper making,Mining etc. Available Fresh Water,Sewage,Seawater,Air,Gas,Vapor,Food,Pharmacy,Medicament,Oil,Acid ...