Case Studies
An Inflatable Tunnel Grout Seal Stops Flooding of the Worlds' Largest Undeveloped Uranium Mine
An Inflatable Plugs Works Better Than Bypassing Pumping When Closing Off a 60-Inch Penstock
Steam & Process Drillship Plug
Cooling Loop Valve Replacement
Private Provo Beach Made More Beautiful
Miscellaneous Case Studies
Inflatable Bag Stops enable critical plant maintenance without shutdowns
Angola LNG Case Study
Dewatering in Extreme Environment: Annular Seal Use in Deep Water Welding Repair
Petersen Inflatable Line Stop Keeps an Oil Sand Facility Producing
Plugging Active Pipes in Extreme Environment
Plugging a 60" Water Pipeline
72" Petersen® Multi-Flex™ Line Stop for a Valve Change
High Pressure "Bag Stop"
24" Sewer Main Repair
Grouting a 60" Pipe for Abandonment
How to Plug a Large Sewer
Filter
Product Selection
Custom Manufacturing Solutions
Drain Flushers & Sewer Cleaning Tools 
High Pressure Mechanical Pipe Plugs 
Hot Tap Machines & Equipment 
Inflatable Annular Seals, Bladders & Duct Plugs 
Inflatable Lifting Air Bags & Pipe Handlers 
Inflatable Packer Carriers 
Inflation Accessories & Pipeline Fittings 
Low Pressure Mechanical Pipe Plugs 
Multi-Flex® Chemical Resistant Inflatable Pipe Plugs 
PeteStop® Inflatable Line Stop Pipe Plugs 
PeteStop® Line Stop Systems, Components & Tools 
Pipe Plugs - Inflatable 
Pipe Plugs - Mechanical 
Pipeline Test Equipment 
Rubber Molded Inflatable Pipe Plugs 
Temperature and Pressure Test Plugs 
Tools for Contractors
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