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Zook RA4 Bursting Discs – Reverse Acting Metal

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The Zook RA4 Bursting Discs (rupture discs) is a Reverse Acting Metal Rupture Disc and are complementary designs to cover the majority of rupture disc applications. Zook RA4 Bursting Discs are suitable and certified for liquid, gas, or two-phase applications.They are specifically designed to be used in the RAH type holder. This is a Pre-Torque holder specifically designed for easier maintenance in your process line. They are a unique holder designed for use with multiple types of ZOOK Reverse-Acting metal rupture discs.

  • Specifications
  • Technical Data
  • Advantages
  • Industries
  • Applications
  • Contact

Specifications

Operating Parameters:

 

  • Flows to 565 m³/h (2500 gpm)
  • Heads to 110 m (350 ft)
  • Pressures to 17 bar (250 psi)
  • Temperatures from -30°C (-20°F) to 90°C (200°F)

 

Shaft Metallurgy Options:

 

  • 316 SS
  • Alloy 20
  • Hastelloy
  • Titanium

 

Features:

 

  • Full basket strainer
  • NEMA in-line motor
  • Fiberglass mounting plate
  • Tapered “Polygon” impeller drive
  • “Pull-out” bearing retainers
  • Level controls

 

Options:

 

  • Simplex and duplex pit covers
  • Float switches
  • Particulate separators
  • Non-metallic lubrication lines
  • Tailpipe

Technical Data

  • Engineered Polymer Composite Construction offers cost-effective corrosion-resistance, is lightweight, non-galling, non-sparking, and non-conductive.
  • Unitized Case with Integrally Molded Flanges at the suction and discharge nozzles, fully gusseted for structural soundness.
  • Externally Adjustable, Semi-Open Impeller provides consistently high efficiencies and minimizes maintenance.
  • Shaft/Bearing System operates below the first critical speed for less shaft whip and longer bearing life.
  • Bearings can be lubricated by external flush or self-lubricated by the pump fluid.
  • Single-Piece Column is lightweight, filament-wound, reinforced fiberglass composite for strength and rigidity.

Advantages

  • Lightweight and corrosion-resistant due to engineered polymer composite construction.
  • High efficiency and minimal maintenance with externally adjustable impeller.
  • Long bearing life with low shaft whip and flexible lubrication options.
  • Robust construction with unitized case and reinforced single-piece column.

Industries

  • Leaching Acid
  • Chemical and Liquor
  • Caustic and Chlor-Alkali
  • Bleach Chemicals
  • Auxiliary
  • Acid Transfer
  • OEM
  • Water Treatment
  • Water Supply and Distribution
  • Wastewater Collection and Treatment
  • Polymers
  • Plating, Galvanizing and Other Coatings
  • Pharmaceuticals
  • Automotive and Aircraft

Applications

  • Corrosive Services
  • General Purpose
  • Water Treatment
  • Pulp and Paper
  • Chemical Processing
  • Utility
  • Metal and Steel Industry
  • Pollution Control
  • Plating

Contact Us

Contact our Process Equipment Team

  • Michael Bradley (External) – Mob: 086 047 6178
  • Ross O’Donovan – Tel: 021 461 7230
  • Vicki McGrath – Tel: 021 461 7207
  • Office Tel: 021 461 7200

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