EZLQ/50 - Hansen - EZ-Relief Valve Liquid Cartridge Relief Valve, Bare

The Hansen EZLQ/50 is a liquid cartridge-style pressure relief valve from the EZ-SRV™ series, specifically designed for use in industrial refrigeration systems. Here's a detailed overview:

🔧 Product Overview

• Model: EZLQ/50
• Type: Liquid Cartridge Relief Valve (Bare)
• Pressure Setting: 50 psig (3.44 bar)
• Application: Designed to relieve excess liquid pressure in refrigeration systems
• Refrigerant Compatibility: Suitable for ammonia (NH₃) and other approved refrigerants

⚙️ Construction & Certification

• Body: ASME SA105 steel
• Cartridge: ASME SA395 ductile iron
• Piston: Stainless steel
• Spring: Stainless steel
• Certifications:
  • ASME Code Symbol (UV)
  • CE Mark
  • National Board Rated (NB)
• Standards: Conforms to ASME Boiler and Pressure Vessel Code and ISO 4126 

📐 Physical Specs

• Connection Type: Cartridge (bare, no fitting)
• Weight: ~3 lbs
• Mounting: Typically installed in a compatible manifold or housing