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Valves & Flow Control

Heavy-Duty Civil Flanged Valves & Isolation

Flanged resilient-seat isolation valves and pipeline control solutions for heavy civil water supply networks.

Key Engineering Benefits

  • Ductile iron body with fusion-bonded epoxy coating to AS/NZS 4158
  • Resilient seated wedge ensures bubble-tight 100% shutoff
  • Non-rising stainless steel spindle with dual O-ring stem seal
  • Full bore waterway prevents solids accumulation and reduces head loss
  • Table D / Table E / AS 4087 PN16 drillings available

Technical Specifications

Certified engineering data, material compositions, and manufacturing tolerances.

Nominal Diameters DN50 to DN300
Pressure Rating PN16 (1,600 kPa working pressure)
Body Material Ductile Iron GGG50 / EN-GJS-500-7
Wedge Material Ductile iron fully encapsulated with EPDM
Stem Material Stainless Steel Grade 431 / 316
Coating Electrostatic fusion-bonded epoxy >= 250 microns
Standards Compliance AS 2638.2, AS 4087, AS/NZS 4020 (Potable Water)
Flange Drilling AS 4087 Figure B5 (PN16) / AS 2129 Table D/E

Recommended Civil & Agricultural Applications

Trunk water main isolation and pipeline junctions
Commercial civil developments and pump stations
Recycled water distribution and wastewater bypass
Industrial plant process water networks
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