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Series U1-45 Heat-Actuated Safety Shut-Off Valve
Brand: Protectoseal CompanyThe Protectoseal Series No. U1-45 Heat-Actuated Safety Shut-Off Valves are specifically designed for installation in the withdrawal lines of flammable or combustible liquid storage tanks.
The valves are normally held in the fully open position by a heat-activated element mechanism.
In the event of exposure to an external fire source, the element is activated and the valve is closed securely by an internal spring.
The flow of liquid through the withdrawal line is stopped.
Features- Heat-Actuated Valve
- Five sizes: 1/2", 3/4", 1", 1-1/2" and 2" NPT threaded connections
- Approved by Factory Mutual (FM) in all sizes
- Meets OSHA 1910.106(b)(4)(iv)(c) & 1926.152(i)(4)(iv)(c) Code Requirements
- Closes automatically when subjected to external fire
- Flow tested by independent laboratory
- Easy inspection and maintenance
- Factory inspected prior to shipment
- Bronze construction
Specifications
Brand
Approvals & Certifications
- FM
Enclosure, Body Material
- Cast Bronze
Materials of Construction
- Bellows, Spring: Stainless Steel
NPT Connection
- 1” NPT Female
- 1/2” NPT Female
- 1-1/2” NPT Female
- 2” NPT Female
- 3/4” NPT Female
Seat / Seal Material
- Sealing Disk: Buna-N
- Sealing Disk: TFE