– Type: Piston seal assembly for shot‑pin locking cylinder
– Nominal bore: 1.5 inch
– Sealing material: PTFE sliding ring + FKM elastomer energizer, anti‑extrusion backup rings included
– Max working hydraulic pressure: 21 MPa
– Function: Static‑dynamic piston sealing for shot‑pin locking cylinder, prevent internal hydraulic leakage
– Applicable equipment: NOV VARCO TDS‑8SA / TDS‑9SA / TDS‑11SA top‑drive system
– Medium: Anti‑wear hydraulic oil, drilling mud splash
– Operating temperature:‑40℃ ~ +120℃
