Steel-Lined PTFE Sight Cup

Steel-lined PTFE straight sight domes are usually installed at key observation points in pipeline systems.Equipped with special high-temperature resistant glass, they allow clear observation of internal flow conditions.

• Nominal Diameter: DN15 – DN250

• Nominal Pressure: 0.6 MPa, 1.0 MPa, 1.6 MPa

• Lining Material & Service Temperature:PFA (≤ 220 °C), PTFE (≤ 200 °C), ETFE (≤ 150 °C), PO & PE (≤ 80 °C)

• Steel Material: A105, SS304, SS316, SS316L

• Glass: Tempered glass / Quartz glass

• Lining Process: Isostatic molding, Compression molding, Rotational molding, Spray coating

• Lining Inspection: 15–20 KV high-frequency spark test