*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 |
Morrison Brothers 272-HO Internal Emergency Valves
Specification SheetDesigned 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 |