FAS Type A John Crane® Type 6 Replacement FeaturesSpecificationsQuote Request Features Technical Features Unbalanced Single Spring Bi-directional Elastomer bellows One piece construction Specifications Materials ROTARY FACES: Carbon Graphite, Silicon Carbide, Tungsten Carbide STATIONARY SEATS: Ceramic, Silicon Carbide, Tungsten Carbide BELLOWS: Buna, Viton, EPDM, Aflas, Neoprene METAL PARTS: 304 SS standard or 316 SS option available Operating Parameters Dimensions: 0.500” – 1.000” Max Pressure: 70 PSI / 5 BAR Max Temperature: 160°C / 320°F Velocity: 10 M/S – 2000 FPM Quote Request Quote Request SHOWN ABOVE WITH STANDARD CUP MOUNT SEAT Request A Quote