CENTER BARREL: Carbon Steel per ASTM A53 or ASTM A 283 or Carbon Steel.
GLANDS: Carbon Steel per AISI C1020.
BOLTS & NUTS: Low Alloy Steel per ASTM A325, ASTM A563, and AWWA C111.
GASKET: SBR per ASTM D2000. Suitable for mild acids, water, and salt media with a temperature range of -25 ̊ F to -200 ̊ F. Optional materials available.