(AMPMECH) CLARK RELIANCE GASKET FOR LEVEL GAUGE SERIES 20 & 32, P/N: V13143-6. Condition is "New". GASKET FOR LEVEL GAUGE SERIES 20 & 32SIZE: 6MATERIAL: GRAFOIL, SS REINFORCEDDIM: 250 MM X 34 MM *JERGUSON USES A LAMINATED GRAPHITE WITH 0.002" 316SS SHEET REINFORCEMENT. JERGUSON HAS EXTENSIVELY TESTED UN-REINFORCED GRAPHITE, AND HAS FOUND THAT IT WILL NOT HOLD UP TO PRESSURE CYCLING CONDITIONS, AND IS NOT RECOMMENDED.