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INTERNAL EMERGENCY VALVE – LOCKING, DUCTILE IRON WITH SHEAR SECTION

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.

WARNING: 272 Series 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.

Data Sheet

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Product Features

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: PTFE
  • O-ring: PTFE encapsulated FKM
  • Spring: Stainless steel

Product Ordering Instructions

FIGURE SUFFIX SIZE DESCRIPTION WEIGHT (LBS)
272DLS 0100 AV 2” x 2” Internal Emergency Valve – D.I. Locking w/Shear Section 6.5
272DLS 0500 AV 3” X 3” Internal Emergency Valve – D.I. Locking w/Shear Section 11.5

 

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SALALAH OIL AND GAS INTERNATIONAL

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