PTFE / FEP / PFA LINED CARBON STEEL / STAINLESS STEEL ROUND MANHOLE COVERS.
SIZE RANGE : 450NB x 600NB.
CARBON STEEL ROUND : IS 2062 SA 105.
STAINLESS STEEL ROUND : SS-304 / SS-316.
LINING MATERIAL.
PTFE CONFITMING TO ASTM : D 4895.
FEP CONFIRMING TO ASTM: D 2116.
PFA CONFIRMING TO ASTM: D 3307.