
DN50 Inner-and-Outer-Ring Spiral-Wound Gasket
Ring-supported metal and graphite gasket listed by Donglai.
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Dacheng Donglai Sealing Materials Sales

Cut or prepared graphite rings for gland sealing enquiries.
The supplier lists graphite packing rings described as cut from graphite packing. This form should be ordered by the finished ring dimensions and the number needed in each gland. Specify the graphite braid, any reinforcement and the required joint arrangement, and ask for dimensions matched to the actual valve, pump or vessel gland.
Dacheng Donglai Sealing Materials Sales · Langfang, Hebei
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Source reviewed: 2026-11-08. This directory summary organises the supplier’s published product information.
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Ring-supported metal and graphite gasket listed by Donglai.
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Square packing sold under a GFO description in Donglai’s listing.
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Reinforced graphite-packing enquiry from Donglai’s catalog.
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Aramid-fiber packing with ring-form enquiries described in the listing.
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PTFE fiber packing with a 12×12 listing reference.
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Continuous flexible graphite packing for pump and valve enquiries.
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Copper bonding lead listed for flanges, cable trays and cabinets.
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