

ASME B16.20 Spiral Wound Metallic Gaskets with SS316 & Graphite
Flange connection sealing, refinery turnaround maintenance, heat exchanger gaskets, and steam lines.
Technical specifications & verification parameters
| Parameter | Specification value |
|---|---|
| Design & manufacturing standard | ASME B16.20 / ASME B16.21 |
| Product classification | Flange Sealing Gaskets |
| Material or metallurgy grade | SS316 Winding Strip with Flexible Graphite / PTFE Filler |
| Nominal size / dimension range | 1/2" to 24" NB (Class 150 to 1500#) |
| Class or pressure rating | -200°C to +450°C (Ring Joint RTJ & Raised Face RF) |
| Export HS Code | 84841000 |
| Country of origin | India |
| Dispatch & lead time | Dispatch from supplier stock, confirmed at quotation · Direct sea container transit (3–4 days to UAE/Oman) or priority Air Cargo dispatch (24–48h) for emergency shutdown spares. |
| Inspection & test documentation |
|
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Flange sealing, gaskets & MRO supply scope
ASME B16.20 spiral wound metallic gaskets, compressed non-asbestos fiber (CNAF) jointing sheets, and heavy-duty industrial mechanical tools consolidated in export shipments.
Gasket Configurations
ASME B16.20 Style CG (outer centering ring) and Style CGI (inner + outer rings) with SS316 metallic winding and high-purity flexible graphite filler.
Pressure Ratings & Flange Fit
Class 150, 300, 600, 900, and 1500# for ASME B16.5 raised-face flanges. Operating temperature range -200°C to +550°C.
Industrial MRO Hand Tools
Heavy-duty chrome vanadium combination wrenches, striking/slogging ring spanners (DIN 7444) for flange bolting, and torque multipliers.
Export Packing & Certification
Manufacturer certificates of conformity for metallic strip and filler composition, batch compression recovery test reports, and sea-worthy export palletizing.
Related products in this package
Commonly consolidated within the same shipment to Arabian Gulf ports.

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