Butterfly Valve Components

Duflon manufactures a range of components for butterfly valves, including liners (seats), disc stems and other accessories from a variety of plastic, rubber and metallic materials.

Our products are custom manufactured to individual customer designs and specifications.

Liners (Seats)

• Plain
• Elastomer Backed
• Composite Construction (Phenolic / Aluminium Support)
• Elastomeric Liners

Disc Stems

• Fluoropolymer Lined
• Bare Metallic / Alloy

Material Options Available

• Fluoropolymer
  • PTFE, PFA, FEP, ETFE, UHMWPE, NXT/TFM, PP, PVDF
  • Filled Grades (including Carbon, Glass Filled)
• Elastomers
  • EPDM, BUNA-N, Silicone, Viton
• Metal
  • Ferrous & Non-Ferrous
  • Including Alloys such as Titanium and finishes such as mirror polishing

Sizes Available

• Standard Sizes from 1" - 24" (DN 025 - DN 600)
• Sizes larger than this available upon request, please contact us for more information

Manufacturing Processes

• Isostatic Moulding
• Injection Moulding
• Compression Moulding
• Transfer Moulding
• CNC Machining
• Conventional Machining and Milling
• RAM & Paste Extrusion
• Investment & Sand Casting

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