| Size | DN40-DN50,1 1/2"-2" |
| Valve Body Material: | AISI304/AISI316L ,1.4404/1.4301 (Forged) |
| Vale Disc Material: | AISI304/AISI316L ,1.4404/1.4301 (Forged) |
| Seal Material: | EPDM+PTFE |
| Surface Finishing： | Ra < 0.4-0.8 µm (32 µin) |
| Max Working Pressure: | 145psi(10ba) |
| Helium Leak Test: | <1 × 10⁻⁹ mbar・l/s |
| Cleanliness: | Passivation treatment, Conforms to ASTM A380 standard |
| Availably standard: | DIN/3A |
| Constant Pressure Function option | V type (Inlet constant pressure)、A type (Outlet constant pressure) |
| Connection type | Clamp End, Thread End, Weld End |
| Certification | US 3-A, FDA, CE PED/2014/68/EC, Certification |
| Application scope: | Sansun's Union Type Sight Glass complies with OCP specifications. It is widely used for fluid observation in industrial and sanitary piping systems. |
