- Viscosity: ≤3 cP

             - Max. working temperature: Metal  100°C; Plastic  60°C

             - Max. working pressure:

             - Body material: NRS- 15 kg/cm²; NRI- 15 kg/cm², NRV- 6 kg/cm²

             - Glass tube: Borosilicate glass 6 kg/cm²

             - PC tube: 10 kg/cm² ; Instant pressure: 15 kg/cm²