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127 Series Multi-Flex High Pressure Hot Tap Insertion LS Plugs 128 Series Hot Tap Pipe Plug System-Chinese 128 Series Hot Tap Pipe Plug System-Spanish 129 Series Hot Tap Pipe Plug System-Chinese 129 Series Hot Tap Pipe Plug System-Spanish 129-8 Series Multi-Flex High Pressure Inflation on one End 140-1 Tapered Redwood Plugs 141-2 Series Double Seal Brass Wing Nut 145-1 Series 145-2 Inflatable Seal Mechanical Plugs 150 Series Completion Plugs 261 Series Hot Tappers Sizes: 1/4" to 6" 262-2040 Pneumatic Heavy Duty Tapper 3 Common Reasons Why Pipelines Leak Accessories • Adapters & Pipe Fittings 910, 912, 936, & 936-7xxx Series • Hose & Rope Assemblies 936 Series • Inflation Controllers & Alarms 936 Series • Protective Sleeves for Molded Rubber Plugs 936 Series • Pull Cages 936 Series • Rotating Elbows for Fluid & Gas Transfer 936-80xx-x Series • Rupture Discs 924-130x- Series Annular Seals ASME Hydrostatic Test Requirements Catalog Request Contractor tools Cooling Loop Valve Replacement Custom Inflatable Bladders Custom Manufacturing Drain Flusher & Sewer Cleaning Tools Elliptical Concrete pipe Employee Access File Transfers Grout Bags, Inflatable Tunnel Seals High-Pressure Plugs Sizes 4 to 32" Hot Tap Equipment and Systems Hot Tap Pipe Plug Insertion Systems Hot Tap Video Hot Tapping Tools Hot Tapping Tools How Mechanical pipe Plugs Work How Offshore Pipeline Installation Works How To Fix Broken Portions of Pipeline Hydrostatic Test Pumps Inflatable Packers and Carriers Inflatable Plugs • 113 Series High Expansion Pipe Plugs 1" and Larger • 114 & 115 Series Low Cost Multi-Flex Pipe Plugs W&W/O By-Pass • 118 & 119 Series Multi-Flex™ Point Repair Packers / Carriers With & Without By-Pass Sizes: 3 1/2" to 48" • 124 & 125 Series Multi-Flex Pipe Plugs W&W/O By-Pass • 126 Series Multi-Flex Rigid By-Pass Pipe Plugs • 127BB Series Multi-Flex Block and Bleed Plugs • 128 Series Multi-Flex Hot Tap Insertion Plugs • 129 Series Multi-Flex High Pressure Hot Tap Insertion LS Plugs • 130-0 Series Plumber Style Rubber Test Plugs • 130-1 Series Stack Test Style Rubber Test Plugs • 130-2 Series Municipal Style Muni-Ball By-Pass Plugs • 130-3 Series Long Test- Ball Plugs • 130-4 Series Leak Detector Plugs   > Inflatable Pipe Plugs • 130-6 Series Large Flow-Through By-Pass Plugs • 130-7 Series Remote Placement Plug • 130-9 Series Pillow Stopper Plugs W&W/O By-Pass • 136 Series Municipal Reinforced Rubber Plugs With By-Pass • 137 Series Plumber Style Rubber Test Plugs W&W/O By-Pass • 138 Series Long Two-Stage Pipe Plugs • 154 Series Gas Plugs • Packers and Carriers • Pipe Plug Hot Tap Insertion Systems Inflatable Terminology Lead Free Brass Ball Valves Lifting Bags & Lift Cylinders • 161-0 Series High Pressure Flat Lift Form Bags • 161-5 Series High Pressure Heavy Lifting Air Bags • 161-9 Series Inflatable Lifting Cylinders Mechanical Plugs Low and High Pressure • 140 Series Pipe Protector Plugs • 140-4 & 140-5 Series Flush Mounted Plugs • 141 Series Low Pressure Aluminum Body By-Pass Plugs • 142 Series Nylon Body Test Plugs • 142-8 Series Well Monitoring Plugs • 142-9 Series Test Caps • 143-0 Series nylon Test & Cleanout Plugs W&W/O By-Pass • 143-1 Series Lever Type Expandable Rubber Plugs • 143-2 Series T-Handle Expandable Rubber Plugs • 143-3 Series Steel Wing Nut Plugs • 143-4 Series Polypropylene End of Pipe Plugs • 143-5 Series Water Line Stub Plugs • 143-7 Series T-Handle Aluminum Test Plugs W&W/O By-Pass • 143-8 Reinforced Threaded and Hub Plugs • 143-9 Reinforced ABS Wing Nut Plugs • 144 Series Low Pressure nylon Plugs W&W/O By-Pass • 144-1 Series High Impact ABS Wing Nut Plug • 145-9 Series Mechanical and Inflatable Seal Pipe By-Pass Plugs, Medium and High Pressure • 146-9 Series Mechanical Plugs • 147 Series Bolt Type High Pressure Test Plugs With By-Pass • 148-0 Series EZ-Swet Mechanical Line Stopper Plugs W&W/O By-Pass • 148-3 Series Remote Placement Expander Plugs • 149-1 Series Aluminum Body Test By-Pass Plugs • 149-2 Series Double Mechanical Aluminum Body Test Plugs • 151 Series High Lift Flange Weld Test By-Pass Plugs • 936-5000- Series Safety Gags Mitigating Hot Tap Risk Newsletter Signup Petersen Capabilities Petersen Flow Stop™ (ILS) Systems Petersen Team Member Highlight Photos from the Field Pipe Threading Private Provo Beach Made More Beautiful Product & Service Warranty, Terms & Conditions Protective Equipment Reasons To Purchase from an ISO 9001 Certified Company Reduce Environmental Impacts of Pipelines Safe Pipe Plug Installation Guide Safety Gags Search • Product Instructions Signs Your Pipeline Is Leaking StrapFab Temperature & Pressure Pete's Plug • 310 Series P & T Plugs and Accessories • 311 Series Pete's Plug II and Accessories Testimonial The Top Challenges Facing the Oil and Gas Industry Through the Valve Plugging Systems Unit Converters WEFTEC Welcome What a Hydrostatic Pipeline Test Entails What is Hot Tapping Wing Nut Test Plugs Home   Miscellaneous Case Studies Product Instructions Annular Seals Drain and Sewer Hot Tap Equipment Inflatable Bag Stops enable critical plant maintenance without shutdowns Lift Bags Pipe Plugging Systems Overview Pipe Threading Standards Plugs, Inflatable PRODUCT CONFIGURATION. • Chemical Resistance Chart Plastics • Chemical Resistance Chart Elastomers Product Selection / Instructions Angola LNG Case Study Custom Inflatable • Annular Seals • Bladders • Duct Balloons • Grout Bags, Inflatable Tunnel Seals Nominal Pipe Sizes Dewatering in Extreme Environment: Annular Seal Use in Deep Water Welding Repair Drain and Sewer Cleaning Tools Petersen Inflatable Line Stop Keeps an Oil Sand Facility Producing Duct Balloons Pipe Specs   Hot Taps & Line Stops • Completion Plugs • Hole Saws • Hot Tap Sleeves • Hot Tap Tools • Pipe Plug Hot Tap Insertion Systems • Retrieval systems • Through the Valve Plugging Systems • Videos - Multi-Flex Plugs, Mechanical Volume, Slipping Force Calculator Support   • Contact • Refurbish and Recertification • Quote Request • Contractors Lifting Bags and Pipe Handlers • 116 PSI Flat Form Lifting • 145 / 116 PSI Heavy Duty Lifting • Pipe Handlers Temperature & Pressure Plugs About Us   • About • ISO 9001:2015 Certificate • Statement of Quality • Employment Opportunities Packer/Carrier Test Equipment Library   • Case Studies • Articles   > test • Hole Saw Speeds Pipe Plugs and Stoppers • Accessories • Hot Tap Insertion Systems • Inflatable Plug • Mechanical Plug Temperature & Pressure (Pete's Plugs) • 310-Series T&P Plug • 311-Series Pete's T&P Plug Test Equipment • Deflection Gauges • Joint Testers • Leak Pressure Testing • Smoke Testers • Stringers & Ventilators • Test Pumps - High Pressure • Test Pumps - Standard Pressure • Vacuum Testers Contractor Tools Copper Tubing Sizes Custom Manufacturing Capabilities Accessories & Fittings Click a Product Category 145-8 Series Pipeline Joint Testers 924-1304 Series Leak Detector Pressure Testing 938-7 Series Manhole Vacuum Testers & Accessories 938-9 Series High Pressure Portable Hydrostatic Test Pumps 938-93 Series Hydrostatic Test Pump 938-94 Series Stringers and Ventilators 938-95 Series Smoke Testers 938-96 Series Deflection Gauges Cement-Lined Ductile Pipe SDR Pipe ADS N-12 Pipe Large Mine Flooding Remediation Plugging Active Pipes in Extreme Environment Cast Iron Plugging a 60" Water Pipeline 72" Petersen® Multi-Flex™ Line Stop for a Valve Change Ductile Iron High Pressure "Bag Stop" PVC 24" Sewer Main Repair Elliptical Concrete Pipe ASME ANSI Flange Sizes Grouting a 60" Pipe for Abandonment How to Plug a Large Sewer