News

  • USCG Detonation Arrester Nameplate Update – February, 2019

Protectoseal is proactively working with our customers to update the nameplates of their United States Coast Guard accepted detonation arresters. Affected customers are being notified and replacement nameplates being provided. Additional information can be found below.

Instructions for Removal and Replacement

Frequently Asked Questions

  • Series 3908 Pressure & Vacuum Relief Thief Hatch Product Launch – February, 2019

Series No. 3908
Pressure & Vacuum Relief Thief Hatch

Introducing the new Series 3908 Pressure & Vacuum Relief Thief Hatch – the better thief hatch from The Protectoseal Company. Precision lapping of the valve seat ensures the best possible sealing characteristics resulting in a maximum allowable leakage rate of no more than 1 SCFH at 90% of pressure / vacuum set point. The Series 3908 is designed to deliver impressive flow performance, as validated through testing established under API 2000 / ISO 28300 guidelines. Each and every thief hatch is tested and shipped with its own test certificate - quality and reliability assured!
Find out more

  • Introducing the New Web-Based PRO-FLOW® – October, 2018

PRO-FLOW° - The most intelligent sizing and selection software tool in the market, from the most reputable vapor and flame control equipment manufacturer in the industry is now available in a web-based platform. With future software updates and revisions occurring seamlessly, the new platform ensures that users are gaining access to the most current information available. Learn more about the features and benefits of the new web-based PRO-FLOW®.

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