CONICAL SPRING O-RING MOUNTED SEALS

Technical features

• Single seal
• Unbalanced
• Conical spring
• Uni-directional
• YT365/366 to DIN 24960
• YT355N/366N with narrow rotary face

Operating limits

• d1 = 10 – 40 mm
• p1 = 1.0 MPa
• t   = -35 – 160 °C
• vg = 20 m/s

Materials

• Rotary faces: alumina ceramic, Cr-Mo steel, silicon carbide, tungsten carbide • Stationary seats: carbon graphite, silicon carbide, tungsten carbide • Springs, face housings: AISI 304, 316 • Secondary seals: EPDM, FEP, FPM, FEPM, NBR

Stationary seats

• RSS (monolithic short seat), standard for YT355(N) • RSL (monolithic long seat w/ anti-rotation pin slot) • RSLS (face shrink-fitted w/ anti-rotation pin slot) • USS (monolithic short seat, to DIN 24960), standard for YT365(N) and YT366(N) • USL (monolithic long seat w/ anti-rotation pin slot, to DIN 24960) • USLS (face shrink-fitted w/ anti-rotation pin slot, to DIN 24960)