EZB/150 - Hansen - EZ-Relief Valve Cartridge Relief Valve, Bare

The Hansen EZB/150 is part of the EZ-Relief Valve Cartridge Series (EZ-SRV), designed to protect refrigeration pressure vessels and system components from excessive pressure. Here's a detailed overview:

🔧 Product Overview

• Model: EZB/150
• Type: Cartridge Relief Valve (Bare)
• Connection: Typically used with ½" butt weld fittings (model variants may include fittings)
• Pressure Setting: 150 psig
• Safe Working Pressure: 600 psig (41 bar)
• Certifications:
  • ASME Code Symbol (UV)
  • CE Mark
  • Rated by the National Board of Boiler and Pressure Vessel Inspectors (NB) 

⚙️ Construction Details

• Body: ASME SA105 steel
• Piston: Stainless steel
• Cartridge: ASME SA395 ductile iron
• Spring: Stainless steel
• Design Standard: Conforms to ASME Boiler and Pressure Vessel Code and ISO 4126

📦 Physical Specs

• Weight: ~5 lbs
• Condition: New
• Mounting: Typically installed in a welded housing or manifold