Morrison Bros. 272HDS Series 4 in. x 4 in. Ductile Iron Internal Emergency Valve w/ Shear Section - Threaded

SKU:
MO272HDS0700AV
Manufacturer:
Morrison Bros.
Size:
4 in. x 4 in.
Connection:
Male Thread
Shear Section:
Yes
Locking:
No
Weight:
21.00 LBS
$1,012.52
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Designed for installation at the bottom outlet of an aboveground storage tank (AST) where product flow must be stopped in the event of a fire. Fusible link holds the spring loaded valve open until activated. NOTE: The valves shown on this page require periodic inspection to ensure the shut-off mechanism is operating correctly. They are not intended to be used as a "block valve" and should not be opened under pressure.

WARNING: 272 Series valves require periodic inspection to ensure the shut-off mechanism is operating. Should not be opened under pressure. 

Features

  • Adjustable hold open mechanism
  • 212° UL Listed fusible link standard (165° available

Construction Details

  • Body and plunger: Ductile iron
  • Shaft: Zinc plated steel
  • Shaft packing: Teflon®
  • O-ring: Teflon® ecapsulated Viton®
  • Spring: Stainless steel