Is your order time-sensitive? Send us an email or call us to see which suppliers are experiencing material shortages or delayed shipping times.

Internal Emergency Valves
One Year Manufacturer Warranty

*Image is a representation of this item. Actual item may vary.*
Hover over image to zoom

Morrison Brothers 272-HO Internal Emergency Valves

2 in. to 4 in., Brass, for General Use, with Locking Option

Ships From Manufacturer

Select Model & Quantity:

Model # Description Price Qty
272HO-0100 AV 2 in. x 2 in. $410.01
272HO-0500 AV 3 in. x 3 in. $643.33
272HOL0100 AV 2 in. x 2 in., Locking Style $508.77
272HOL0500 AV 3 in. x 3 in., Locking Style $741.92
Contact Us
Morrison Brothers 272-HO 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: Brass
  • Shaft Packing: Teflon® impregnated Fiber or Teflon®
  • O-ring: Viton® or Teflon®
  • Spring: Stainless steel
  • Shaft: Zinc plated steel

 

Figure Suffix Size Description Weight (lbs)
272HOL 0100 AV 2" x 2" Internal Emergency Valve - Locking Style 7
272HOL 0500 AV 3" x 3" Internal Emergency Valve - Locking Style 13
272HOL 0600 AV 4" x 3" Internal Emergency Valve - Locking Style 18
272HOL 0900 AV 2.5" x 2" Internal Emergency Valve - Locking Style (Teflon) 8.5
272HO 0100 AV 2" x 2" Internal Emergency Valve 6.5
272HO 0500 AV 3" x 3" Internal Emergency Valve 11.5
272HO 0600 AV 4" x 3" Internal Emergency Valve 17
272HO 0700 AV 4" x 4" Internal Emergency Valve 20.25