Design Specifications: Size: 10.000"ID x 8.000"FF Arch: Single Hollow Arch Construction: EPDM Tube Polyester Fabric Reinforcement Chlorobutyl Cover End Connection: ANSI 125#/150# A: 16 in O.D. 14-1/4 in B.C. 12 Holes 1 in Dia Design Parameters: Max. Design Pressure: 140 psi Max. Axial Compression: 3/4 in Max. Design Vacuum: 29.9 in Hg Max. Axial Elongation: 3/8 in Max. Design Temp: 250°F Max. Lateral Deflection: 1/2 in