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Internal Emergency Valves
One Year Manufacturer Warranty

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Morrison Brothers 272-HD Internal Emergency Valves

2 in. to 4 in., Ductile Iron, for General Use, with Shear Section and Locking Options

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Select Model & Quantity:

Model # Description Price Qty
272DLS0100 AV 2 in. x 2 in., Ductile Iron, Locking w/Shear Section $548.46
272DLS0500 AV 3 in. x 3 in., Ductile Iron, Locking w/Shear Section $759.56
272HDI0100 AV 2 in. x 2 in., Ductile Iron $370.05
272HDI0500 AV 3 in. x 3 in., Ductile Iron $577.29
272HDI0700 AV 4 in. x 4 in., Ductile Iron $819.56
272HDL0100 AV 2 in. x 2 in., Ductile Iron, Locking $446.89
272HDL0500 AV 3 in. x 3 in., Ductile Iron, Locking $658.40
272HDS0100 AV 2 in. x 2 in., Ductile Iron w/Shear Section $451.96
272HDS0500 AV 3 in. x 3 in., Ductile Iron w/Shear Section $660.37
272HDS0700 AV 4 in. x 4 in., Ductile Iron w/Shear Section $910.47
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Morrison Brothers 272-HD Internal Emergency Valves
Manuals and Information:
Specification Sheet

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.

Standard 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

 

ModelDescription
272HDI-0100 AV2 in. X 2 in. Internal Emergency Valve
272HDI-0500 AV3 in. X 3 in. Internal Emergency Valve
272HDI-0700 AV4 in. X 4 in. Internal Emergency Valve
272HDL-0100 AV2 in. x 2 in. Internal Emergency Valve - Locking
272HDL-0500 AV3 in. X 3 in. Internal Emergency Valve - Locking
272DLS-0100 AV2 in. x 2 in. Internal Emergency Valve - Locking w/Shear Section
272DLS-0500 AV3 in. X 3 in. Internal Emergency Valve - Locking w/Shear Section
272HDS-0100 AV2 in. X 2 in. Internal Emergency Valve w/Shear Section
272HDS-0500 AV3 in. X 3 in. Internal Emergency Valve w/Shear Section
272HDS-0700 AV4 in. X 4 in. Internal Emergency Valve w/Shear Section