Material & construction
Octagonal-section metal ring seats in compatible RTJ flange grooves. Ring number, hardness and groove geometry must match.
WOG-344 / Flange gaskets and insulation
Octagonal Ring-joint Gasket
Seal flanged oil/gas joints; insulation kits also electrically isolate bolted joints.
| Nominal size | NPS 1/2-12 (DN 15-300) |
|---|---|
| Flange match | Class / ring number / facing per mating flange |
| Material / build | Soft iron / approved stainless or alloy; hardness matched to flange |
| Dimensions | OD / ID / thickness in in (mm), to published size schedule |
Industry reference selections; ordered specification requires supplier confirmation.
View catalogue page 90 ↗Options & acceptance
Select ring cross-section, facing material, guide ring or insulating sleeves/washers.
Application & RFQ details
RFQ: flange standard, NPS, class, facing and gasket style; specify temperature, pressure, medium and required material. Match the actual flange seating geometry.
Standards & documents
ASME B16.20 where applicable; B16.5 flange fit; insulation performance by agreed test. Asbestos-free.
Packing
Separated cartons on pallets; protect threads and seal faces. Consolidate compatible sizes by purchase schedule.
Related products
WOG-054
Spiral-wound Flange Gaskets
Seal standardized flanged oil, gas and process-piping joints.
Specifications & details ↗
WOG-345
Kammprofile Gasket
Seal flanged oil/gas joints; insulation kits also electrically isolate bolted joints.
Specifications & details ↗
WOG-350
Flange Insulation Gasket Kit
Seal flanged oil/gas joints; insulation kits also electrically isolate bolted joints.
Specifications & details ↗