MEC 3/4 in. FNPT x 1-3/4 in. F.Acme, Liquid Loading/Unloading Brass Valve

Item # 290781 | MEC Part # ME450 | UPC Code 815505017206 | UNSPSC Code 40171700
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Product Overview

Marshall Excelsior part# ME450. Designed to provide a safe means to transfer liquid or vapor from a storage container. Can also be used for temporary liquid withdrawal applications such as emergency evacuations or container relocation.

  • Double O-ring stem seal design ensures leak free operation
  • 3/4 in. FNPT x 1-3/4 in. F Acme
  • Material: brass
  • Includes factory installed vent valve
  • No excess flow
  • MEJ400 included (vent valve)

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.


Connection 1
F Acme
Connection 2
Female Pipe Thread
Filler & Transfer Connectors Type
Acme X Pipe Thread
Manufacturer Warranty
5 years from manufacture date
Product Depth (in.)
Product Weight (lb.)
0.75 in. x 1.75 in.
Valve Type
Withdrawal Adapter


5 years from manufacture date