Morrison Bros. 272HLS, HO, HOL, HOS 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: Brass
- Shaft: Zinc plated steel
- Shaft packing: PTFE impegnated fiber or PTFE
- O-ring: PTFE or Viton®
- Spring: Stainless steel
| Item Number | Size (in) |
Tank Connection |
Body/Cap Material |
Shear Section |
Locking Mechanism |
Weight (lbs) |
Request Quote |
| 272HLS0100 AV | 2 x 2 | Male | Brass | Yes | Yes | 7.0 | Request Quote |
| 272HLS0500 AV | 3 x 3 | Male | Brass | Yes | Yes | 11.46 | Request Quote |
| 272HLS0600 AV | 4 x 3 | Male | Brass | Yes | Yes | 16.56 | Request Quote |
| 272HO-0100 AV | 2 x 2 | Male | Brass | No | No | 6.50 | Request Quote |
| 272HO-0500 AV | 3 x 3 | Male | Brass | No | No | 11.20 | Request Quote |
| 272HO-0600 AV | 4 x 3 | Male | Brass | No | No | 16.30 | Request Quote |
| 272HO-0700 AV | 4 x 4 | Male | Brass | No | No | 19.76 | Request Quote |
| 272HOL0100 AV | 2 x 2 | Male | Brass | No | Yes | 7.46 | Request Quote |
| 272HOL0500 AV | 3 x 3 | Male | Brass | No | Yes | 11.60 | Request Quote |
| 272HOL0600 AV | 4 x 3 | Male | Brass | No | Yes | 16.30 | Request Quote |
| 272HOS0100 AV | 2 x 2 | Male | Brass | Yes | No | 6.78 | Request Quote |
| 272HOS0500 AV | 3 x 3 | Male | Brass | Yes | No | 9.68 | Request Quote |
| 272HOS0600 AV | 4 x 3 | Male | Brass | Yes | No | 17.0 | Request Quote |
| 272HOS0700 AV | 4 x 4 | Male | Brass | Yes | No | 19.76 | Request Quote |
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WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |