PTFE / FEP / PFA LINED CARBON STEEL / STAINLESS STEEL ELLIPTICAL MANHOLE COVERS.
SIZE RANGE : 300NB x 400NB TO 350NB x 450NB.
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.