Model L22E & LV22E

Emergency Relief Valves

The LaMOT Valve & Arrestor Models L22E (pre-configured) and LV22E (fully-configurable) Emergency Relief Valves are designed to provide superior sealing and industry leading high flow rates. When properly sized, the high flow capacity will help protect the tank from damage in an emergency event. Additionally, the emergency relief valve, a quick-opening valve that reaches full open at 10% overpressure, ensures rapid and efficient pressure relief when needed most.
  • Modern manufacturing processes result in superior seals which reduce leakage and fugitive emissions
  • Engineered for industry leading flow to better protect against excessive pressure build up
  • Direct replacement for any standard ASME #150, API 12, or API 650 emergency relief valve
  • Locked-open mechanism available in sizes 8”- 12” (200 mm – 300 mm)
  • Easy maintenance reduces downtime and operational costs
  • Size Ranges:
    • Model L22E: 8” – 12” (200 mm – 300 mm)
    • Model LV22E: 4” – 24” (100 mm – 600 mm)
  • Bolting: ASME 150# for 4”- 24”, API 650 for 20” and 24”, and API 12 for 8” only
  • Available Pressure Settings:
    • Model L22E: 4 osig – 40 osig (in 0.5 osig increments)
    • Model LV22E: 4 osig – 40 osig for sizes 4” – 12” and 8 osig – 40 osig for sizes 16” – 24”
  • Leak Rate of no more than 1 SCFH of air at 90% of set pressure
  • Base & Arm Materials: Carbon Steel or Stainless Steel
  • Diaphragm Materials: Buna-N (black), FKM (blue) or FEP (clear)
  • Pallet: Stainless Steel
    • Aluminum for 8” size pressure setting between 4.0 osig – 5.5 osig only
  • Weld Overlay Seat: Stainless Steel
  • Visit the LaMOT Valve & Arrestor Sizing Program for flow data customized to your application

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We don’t manufacture until you order. Our production team employs the latest tools and techniques in agile manufacturing to fabricate your order to your specifications. After production and assembly, each product undergoes stringent quality inspections before leaving the production floor – we guarantee you’ll get exactly what you ordered.

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