The Protectoseal Series No. 120 units installed in storage tank fill openings protect tank contents from fire and explosion during filling operations.
The Series No. 120 is a combination unit. It is designed with a flash arrester to protect tank contents against exterior sources of ignition during filling operations, and to provide additional venting capacity under operating and emergency conditions.
Provides auxiliary pressure and vacuum relief.Features
- Sizes 2" through 4" NPT threaded connections
- Double-wall perforated flash arrester prevents flashback into the tank
- Designs allow for padlocking of the cap
- Easy inspection and maintenance
- Factory inspected prior to shipment
- Available in aluminum