Supplier Cla-Val 55L-60 Pressure Relief Valve or Pump Casing Relief Valve

WWW.DISTRIBUTORALATINDUSTRI.COM | The Cla-Val 55L-60 Pressure Relief Valve / Pump Casing Relief Valve is a direct-acting, spring-loaded diaphragm relief valve designed for fire protection systems and fire pump applications. The valve automatically relieves excess pressure when system pressure exceeds the preset value, protecting pumps, piping, and distribution networks from overpressure damage. It provides precise pressure control, reliable operation, and drip-tight shutoff under varying operating conditions.

Supplier Cla-Val 55L-60 Pressure Relief Valve or Pump Casing Relief Valve

The Cla-Val Model 55L-60 Pressure Relief Valve is a direct-acting, spring loaded, diaphragm type relief valve. The valve may be installed in any position and will open and close within very close pressure limits. The bottom plug may be removed and installed in the inlet to convert it to an angle pattern flow path.

Features:

• Direct-acting, spring-loaded diaphragm design
• Precise and dependable pressure relief control
• Drip-tight closure with no packing glands or stuffing boxes
• Sensitive response to small pressure variations
• Available in globe or angle configurations
• Can be installed in any position
• Adjustable pressure settings with tamper-resistant sealing capability
• Meets low-lead requirements
• Available in Cast Bronze, 316 Stainless Steel, Monel, and Super Duplex Stainless Steel construction
• UL Listed and FM Approved for fire pump casing relief applications (depending on size)

Typical Applications:

• Fire pump casing pressure relief systems
• Fire sprinkler and water distribution networks
• Pressure trimming in closed-loop fire protection systems
• Freshwater and seawater fire protection installations
• Industrial and marine fire protection applications

Available Sizes:

• 1/2″, 3/4″, and 1″ (DN15–DN25)

Pressure Ranges:

• 0–75 psi
• 20–75 psi
• 20–200 psi
• 40–200 psi
• 100–300 psi (depending on valve size and configuration)

Note: The Model 55L-60 is intended for pressure trimming and pump casing relief service and is not designed to discharge the full-rated capacity of a fire pump. For full-capacity fire pump relief applications, the Cla-Val 50B-4KG1 Pressure Relief Valve is recommended.