ELASTOMER BELLOWS SEALS

Technical features

• Unbalanced
• Single spring
• Bi-directional
• Elastomer bellows

Operating limits

• d1 = 12 – 25 mm, 0.500 – 1.000”
• p1 = 0.5 MPa
• t = -35 – 160 °C
• vg = 10 m/s

Materials

• Rotary faces: carbon graphite, phenolic graphite, silicon carbide, tungsten carbide • Stationary seats: alumina ceramic, silicon carbide, tungsten carbide • Bellows: CR, EPDM, FPM, FEPM, HNBR, NBR • Springs, other matel components: AISI 304, 316

Stationary seats

• CS2 (standard) • see page 47 for other cup mounted seats