SINGLE COIL SPRING SEALS

Technical features

• Single coil spring
• Unbalanced
• Bi-directional
• Positive screw drive
• YT260 with O-ring mounted
• YT261 with PTFE wedge seal ring

Operating limits

• d1 = 16 – 100 mm
• p1 = 1.2 MPa
• t   = -35 – 160 °C
• vg = 15 m/s

Materials

• Rotary faces: stainless steel, silicon carbide, tungsten carbide • Stationary seats: carbon, silicon carbide, tungsten carbide • Springs, other metal components: AISI 304, 316 • Secondary seals: EPDM, FEP, FPM, FEPM, NBR

Stationary seats

• RSS (monolithic short seat) • 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) • USL (monolithic long seat w/ anti-rotation pin slot, to DIN 24960) • USLS (face shrink-fitted w/ anti-rotation pin slot, to DIN 24960)
YT260