Technical features:

· Unbalanced

· Single spring 

· Bi-directional

· Elastomer bellows 

· DIN 24960

· Equivalent to John Crane 502

Operating limits:

· P1=4.0MPa

· t=-40 to 205℃

· Vg=13m/s

Materials:

· Seal faces: carbon graphite, silicon carbide, tungsten carbide

· Stationary seats: alumina ceramics, silicon carbide, tungsten carbide

· Bellows: NBR, FPM, EPDM

· Springs, metal parts: AISI304, 316, 316Ti 

· Secondary seals: NBR, FPM, EPDM