
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

Aramid-fiber packing with ring-form enquiries described in the listing.
Donglai offers aramid-fiber packing and ring forms for pump and valve glands. Its listing describes custom processing, so the enquiry should identify whether a continuous length or finished rings are required. Define the gland dimensions, shaft condition and fluid, then confirm the selected braid treatment and ring preparation with the supplier.
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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Cut or prepared graphite rings for gland sealing enquiries.
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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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