The Delta Rough Casing Metal Seal (DRCMS) is a primary seal that provides
a gas-tight metal seal against non-machined casing surfaces. Seal at low
pressure as well as high pressure up to 15,000 psi. Nibs on ID seals against
the casing & tapered OD seals against tapered ID of the spool. The metal seal
is energized by easily making up the flange, spacer rings are available with
different thickness for adjustment. Seal rings are available with different ID
to match the casing tolerance of API 5 CT standard.
Available for casing sizes 5” to 13 5/8”
gate valve
