Supplier Hattersley Y Strainer 811 (Cast Iron)

WWW.DISTRIBUTORALATINDUSTRI.COM | The Hattersley Fig. 811 Y Strainer is a flanged Y-type strainer designed to remove dirt, scale, rust, and other foreign particles from piping systems, protecting valves, pumps, meters, and other downstream equipment. Its streamlined flow path minimizes pressure loss while ensuring efficient filtration and reliable system performance in water, heating, cooling, and steam applications.

Supplier Hattersley Y Strainer 811 (Cast Iron)

Description:

The valve is constructed from high-strength ductile iron and features streamlined flow contours to minimize pressure drop. It is fitted with an asbestos-free non-stick gasket and is suitable for saturated steam service. Comprehensive flow characteristics are also available

Features:

  • Robust cast/ductile iron body construction for high durability
  • Y-type design with low pressure drop characteristics
  • Stainless steel removable screen for easy cleaning and maintenance
  • Bolted cover for convenient access to the strainer element
  • Asbestos-free, non-stick gasket material
  • Suitable for saturated steam, hot water, and chilled water services
  • Protects pumps, valves, control equipment, and instrumentation from debris
  • Available with optional test points (Fig. 911 version) for system monitoring and balancing applications.

Construction Materials:

  • Body & Cover: Cast Iron / Ductile Iron (BS EN 1563)
  • Strainer Screen: Stainless Steel 304 (AISI 304)
  • Gasket: Teflon/Graphite, asbestos-free
  • Drain Plug: Ductile Iron.

Technical Specifications:

  • Model: Fig. 811
  • Type: Y-Type Strainer
  • Size Range: DN50–DN300 (2″–12″)
  • Pressure Rating: PN25
  • Operating Pressure:
    • 25 bar at -10°C to 120°C
    • 21.5 bar at 220°C
  • Test Pressure (Shell): 37.5 bar
  • End Connections: Flanged to BS EN 1092-2 PN25
  • Screen Perforation: 1.6 mm diameter holes
  • Free Flow Area: 33–40% depending on valve size.

Applications:

  • HVAC and district heating systems
  • Hot and chilled water pipelines
  • Steam distribution systems
  • Industrial process plants
  • Commercial building services
  • Pump and valve protection systems

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