Morrison Bros. 272HDI, HDS, DLS Internal Emergency Valves
Valve Category:
Emergency Valves
Valve Subcategory
Internal Emergency Valve - Flanged
Manufacturer
Morrison Bros. Co.
Designed for installation at the bottom outlet of an above ground 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 272 Series valves 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)
- Shear section model provides added impact protection
- Locking models for added theft deterrent
Construction Details
- Body and plunger: Ductile iron
- Shaft: Stainless steel
- Shaft packing: PTFE
- O-ring: PTFE ecapsulated Viton® (4" x 3")
- Spring: Stainless steel
| Item Number | Size (in) |
Tank Connection |
Body/Cap Material |
Shear Section |
Locking Mechanism |
Weight (lbs) |
Request Quote |
| 272DLS0100 AV | 2 x 2 | Male | Ductile Iron | Yes | Yes | 6.50 | Request Quote |
| 272DLS0500 AV | 3 x 3 | Male | Ductile Iron | Yes | Yes | 11.50 | Request Quote |
| 272HDI0100 AV | 2 x 2 | Male | Ductile Iron | No | No | 6.22 | Request Quote |
| 272HDI0500 AV | 3 x 3 | Male | Ductile Iron | No | No | 9.66 | Request Quote |
| 272HDI0700 AV | 4 x 4 | Male | Ductile Iron | No | No | 16.75 | Request Quote |
| 272HDS0100 AV | 2 x 2 | Male | Ductile Iron | Yes | No | 7.0 | Request Quote |
| 272HDS0500 AV | 3 x 3 | Male | Ductile Iron | Yes | No | 9.68 | Request Quote |
| 272HDS0700 AV | 4 x 4 | Male | Ductile Iron | Yes | No | 16.30 | Request Quote |
| 272HDL0100 AV | 2 x 2 | Male | Ductile Iron | No | Yes | 7.0 | Request Quote |
| 272HDL0500 AV | 3 x 3 | Male | Ductile Iron | No | Yes | 10.0 | Request Quote |
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WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |