MEC 3/4 in. MPT Full Internal Relief Valve - DOT - 375PSI

Item # 108289 | MEC Part # MEV75FIR | UPC Code 076335101514 | UNSPSC Code 40141616
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Product Overview

Designed for use on forklift cylinders and other DOT removable cylinders up to 122 lbs. of LP-Gas capacity. The working components of this valve are located inside the tank reducing possible malfunction caused by outside debris or other foreign materials. Note: NFPA #58 states, All containers used in industrial trucks (including fork lift truck cylinders) service shall have the container pressure relief valve replaced by a new or unused valve within 12 years of the date of manufacture of the container and every 10 years thereafter.

  • Start-to-discharge setting: 275 psig
  • 368 UL flow capacity SCFM/air per CGA S1.1 at 480 psig
  • Non-adjustable, tamper resistance design
  • 45 and 90 discharge vents available
  • Certified to ANSI / NSF standard 61-9 Annex G
  • Manufactured in an ISO accredited facility

Proposition 65 Information

Prop65 Warning Icon WARNING: These products contain a chemical known to the state of California to cause cancer and birth defects or reproductive harm -


General Material
HVAC Product Type
Manufacturer Warranty
5 years from the date of manufacture
Product Depth (in.)
Product Height (in.)
Product Length (in.)
Product Weight (lb.)
Product Width (in.)
Propane Tank Valves Type


5 years from the date of manufacture