Supplier Cla-Val Series 581 Silent Globe Check Valve

WWW.DISTRIBUTORALATINDUSTRI.COM | The Cla-Val 581 Silent Globe Check Valve is a high-performance, spring-loaded non-return valve designed to prevent reverse flow in water distribution systems, pump stations, and industrial piping applications. Its center-guided poppet closes automatically before flow reversal occurs, providing silent, non-slam operation and minimizing water hammer for enhanced system protection.

Supplier Cla-Val Series 581 Silent Globe Check Valve

Description:

The Cla-Val Series 581 Silent Globe Check Valve uses a spring-loaded poppet to close before flow reversal for silent, non-slam operation, supports vertical or horizontal installation, comes in 2½″–42″ sizes with 125 or 250 lb ratings, and sizes 3″–10″ allow direct mounting to wafer-style butterfly valves.

Features:

  • Silent, non-slam closure to reduce water hammer
  • Spring-loaded, center-guided disc for reliable operation
  • Watertight metal-to-metal seating
  • Suitable for horizontal or vertical installation with upward or downward flow
  • Field-replaceable seat and disc components for easy maintenance
  • Optional Buna-N resilient seat and stainless steel trim for special applications
  • FM Approved for selected sizes
  • Low-pressure-loss design with full-flow characteristics

Construction Materials:

  • Body: Ductile Iron or Cast Iron, epoxy coated
  • Disc and Seat: Stainless Steel 304 or Bronze
  • Spring: Stainless Steel 316, stress relieved and stone tumbled for durability and resistance to mineral deposits

Available Sizes:

  • 2½” to 42″ (DN65–DN1050)

Pressure Classes:

  • ANSI Class 125/150
  • ANSI Class 250/300

The Cla-Val 581 Silent Globe Check Valve is ideal for municipal water systems, HVAC installations, fire protection systems, pump discharge lines, and industrial process applications requiring reliable, quiet, and maintenance-friendly backflow prevention.

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