Your Most Powerful Shield Against Corrosion
Simplifying corrosion prevention in dry & pre-action fire sprinkler systems. Vapor Pipe Shield® is a patented, UL Listed, fully mechanical system that creates a continuous molecular barrier inside the piping network.
What Is Vapor Pipe Shield®?
Vapor Pipe Shield® is a Patented and UL Listed innovative solution for the prevention of corrosion in Dry-Pipe & Pre-Action Fire Sprinkler Systems. Vapor Pipe Shield® is a delivery system of Vapor phase Corrosion Inhibitor (VpCI®), a technology backed by over forty years of established science. Vapor Pipe Shield® is fully mechanical with no electrical connections and simply piped directly in-line between the air compressor and the dry pipe valve. Vapor Pipe Shield® is as easy to install as an Air Maintenance Device, is easily maintained, and makes corrosion mitigation in any dry or pre-action fire sprinkler system simple, efficient, and highly cost-effective.
Lead Time: 1 day to ship
For large orders & exact lead times, please consult factory.
Find this unit in stock with one of our Distributors near you:


Model Number | Fill Capacity (Largest Riser) | Total Capacity (Max 4 Systems) | Order Maintenance Kit | Engineering Submittal Package | Cut Sheet |
|---|---|---|---|---|---|
500 gal. | 2000 gal. | ||||
1000 gal. | 4000 gal. | ||||
1500 gal. | 6000 gal. | ||||
2000 gal. | 8000 gal. |
Click on the model numbers to find additional product information.
Quick & Easy Installation
Vapor Pipe Shield® is as easy to install as an Air Maintenance Device. It’s fully mechanical, has no electrical connections, and is simple to service.
System Layout

Mounting & Piping

System Start Up

Compatible With Both Tank & Riser Mount Air Supplies



Tested and Proven
Our 1,000 Gallon Sprinkler System Test Rig in our warehouse in Exton, PA was designed specifically to test the viability – and ultimately the effectiveness – of VpCI® to prevent corrosion in Fire Sprinkler Systems. Over the years, we’ve run hundreds of documented tests – both independently and in conjunction with 3rd parties – that have resulted in Vapor Pipe Shield®’s engineered design and UL Listing.

Extending Your Warranty
Register your Vapor Pipe Shield® Unit
By registering your Vapor Pipe Shield® Unit, you’ll receive an Extended 3-Year Manufacturer’s Warranty. Plus – you’ll receive Annual Maintenance Reminders when your Vapor Pipe Shield® is due for maintenance, along with a link to easily order the proper Maintenance Kit for your Vapor Pipe Shield® model.
You’ll just need your unit’s Serial Number – so locate it as seen on the model below, fill out the Registration Form and immediately receive your Extended Warranty via email.










