CONICAL SPRING O-RING MOUNTED SEALS

Technical features

• Single seal
• Unbalanced
• Uni-directional
• Conical spring
• YT315/316 to DIN 24960
• YT305N/306N/315N/316N with narrow rotary face identical to RSS stationary face

Operating limits

• d1 = 10 – 100 mm
• p1 = 1.6 MPa
• t   = -35 – 160 °C
• vg = 15 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 YT305/305N and YT306/306N • 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 YT315315N and YT316/316N • USL (monolithic long seat w/ anti-rotation pin slot, to DIN 24960) • USLS (face shrink-fitted w/ anti-rotation pin slot, to DIN 24960)