MUITLPLE SPRING SEALS

Technical features

• Single seal
• Unbalanced
• Multiple springs
• Bi-directional

Operating limits

• d1 = 18 – 100 mm, 0.750 – 4.000”
• p1 = 2.4 MPa
• t = -35 – 160 °C
• vg = 20 m/s

Materials

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

Stationary seats

• YT881 inch shaft sizes: LS1, LS5, OS1 and TS1 • YT881 metric shaft sizes / 882 / 883: GS5, LS3 and LS4