Petersen 113-072- 72" Multi-Flex Heavy Duty Gas Bag Inflatable Pipe Plug

Key Facts

• 72" diameter multi-flex heavy-duty inflatable pipe plug for large pipeline isolation
• Gas bag style design for controlled sealing in low-pressure applications
• Ballistic nylon outer ply for strength, flexibility, and durability
• Maximum inflation pressure 2 psi with pipeline back pressure up to 1 psi
• Large contact area for secure sealing in oversized pipe systems

Overview

The Petersen 113-072 Multi-Flex Heavy Duty Gas Bag Style Inflatable Pipe Plug is engineered for large-diameter pipeline sealing, testing, and maintenance in industrial and municipal applications. Designed for controlled, low-pressure environments, this gas bag style plug provides reliable isolation while maintaining flexibility for insertion and positioning.

Its ballistic nylon construction delivers durability and resistance to wear while allowing the plug to conform to pipe surfaces for an effective seal. The extended contact length enhances sealing performance across large pipe diameters, making it suitable for demanding pipeline service work.

Product images are for reference only and may vary.

Features

• Heavy-duty gas bag style design for large-diameter pipeline applications
• Ballistic nylon outer ply for strength and flexibility
• Large contact area improves sealing reliability
• Low-pressure operation for controlled pipeline isolation
• Durable construction for repeated professional use

Technical Specifications

• Maximum Pipe Diameter: 72" (1829 mm)
• Deflated Diameter: 7" (178 mm)
• Deflated Length: 170.4" (4331 mm)
• Inflated Length (Estimated): 166.1" (4219 mm)
• Contact Length (Min): 42" (1067 mm)
• Contact Length (Estimated): 54" (1372 mm), 66" (1676 mm)
• Material (Outer Ply): Ballistic nylon
• Material (Metal Components): Aluminum and plated carbon steel
• Inflation Port: 2" MNPT to 1/2" QD plug
• Pressure Monitoring Port: 1/4" QD coupling
• Maximum Inflation Pressure: 2 psi (0.13 bar)
• Maximum Pipeline Back Pressure: 1 psi (0.07 bar) / 2.3 ft (0.7 m)
• Maximum Temperature: 200°F (93.33°C)
• Shipping Weight: 58 lb (26.3 kg)

Compatibility

• Suitable for pipelines up to 72" diameter
• Compatible with standard inflation and monitoring systems
• Applicable in municipal, industrial, and utility pipeline systems

Use Cases

• Large-diameter pipeline isolation and blocking
• Low-pressure pipeline testing and inspection
• Municipal sewer and drainage maintenance
• Industrial pipeline service and repair operations

What’s Included

• 1 × 72" Multi-Flex Heavy Duty Gas Bag Style Inflatable Pipe Plug

Category FAQs

• What is a gas bag style pipe plug?
  It is a flexible inflatable plug designed for low-pressure sealing in large pipelines.
• What applications is this plug best suited for?
  It is ideal for large-diameter pipeline isolation, testing, and maintenance in municipal and industrial settings.
• What pressure can this plug handle?
  The maximum inflation pressure is 2 psi, with a pipeline back pressure rating of 1 psi.
• Why is ballistic nylon used?
  It provides strength and durability while maintaining flexibility for proper sealing.
• Can this plug be used in high-pressure applications?
  No, it is designed for controlled, low-pressure environments.
• Is it suitable for repeated use?
  Yes, it is built for professional, repeated use in demanding environments.