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Butterfly Valve Components


Components available—fully lined or unlined
• Body
• Liners (Seats)
• Discs
• Elastomer Backup Rings (Energisers)
• Bearings
• Other machined components and seals

Lining Material Options:
• PTFE, PFA, ETFE, UHMWPE, Rubber, Modified PTFE, PP, PVDF or conductive options.

Material Filler Options:
• Ceramic, Carbon, Glass, Bronze, Carbon Graphite, MOS2, Alumina, Boron Nitride and others.

Body, Disc / Metallic Materials:
Most grades of carbon and stainless steels, ductile irons and other alloys to meet customer specifications in accordance to ASTM, DIN or BS standards.

Size Range:
Components for valve sizes from 1” to 48” (DN025 to DN1200)

Manufacturing Processes:
• Isostatic, Injection, Compression and Transfer Moulding
• Blending
• CNC as well as Conventional Machining
• Sand & Investment Casting
• Powder Coating, Painting and Spraying
• Fluoropolymer Coating

Duflon manufactures a wide range of components for butterfly valves, including bodies, liners (seats), discs, backup rings
(energizers), bearings as well as other moulded and machined components in a variety of materials such as fluoropolymers,
polymers, elastomers and metals.

All products are custom manufactured to individual customer specifications.

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