Vetter Pipe Sealing Bags - Inflatable Bypass Bags Hazmat Resource

Vetter Pipe Sealing Bags – Inflatable Bypass Bags

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Vetter Pipe Sealing Bags – Inflatable Bypass Bags for diverting sewage flow in 4–48 inch (100–1,200 mm) pipelines with large through-flow openings. Ideal for emergency repairs and maintenance, these heavy-duty bypass bags ensure quick installation, secure sealing, and reliable performance across a wide pipe diameter range.

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SKU: N/A Category: 9 Spill Kit and Leak Control

Description
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Description

Vetter Pipe Sealing Bags – Inflatable Bypass Bags are high-efficiency tools designed to divert sewage flow during pipe repairs or maintenance. These are equipped with large through-flow openings, allowing easy redirection of liquids across damaged sections. With only three models covering pipe diameters from 4 to 48 inches.

Vetter Bypass Bags

This system enables smooth diversion of flow with minimal disruption to operations. Built for flexibility and quick setup, each bag ensures tight sealing while maintaining continuous flow through the integrated bypass duct. Ideal for temporary setups in emergency or planned maintenance, the bags benefit from the rugged PE core construction, exchangeable sleeve, and adaptable coupling options.

Available Sizes:

PDK 10/20 PE-core: For 4–8 in (10–20 cm) pipe diameters – 26 in (63.5 cm) total length
PDK 20/50 PE-core: For 8–20 in (20–50 cm) pipe diameters – 28 in (70 cm) total length
 PDK 50/120 PE-core: For 20–48 in (50–120 cm) pipe diameters – 43 in (107 cm) total length

Key Features

Large Through-Flow Opening: Engineered for efficient diversion of sewage and liquids, ideal for use in piping bypass systems during maintenance or emergencies.
Covers Wide Pipe Diameter Range: Just three models cover pipes from 4 to 48 inches (100–1,200 mm), minimizing equipment variety needed on-site.
Threaded PE Core for Coupling: Each bag has a durable PE core with external threads, allowing flexible connection to different couplings or systems.
Model-Specific Adapter Design:

For PDK 10/20 and PDK 20/50 (covering 4–20 in), bypass adapters are screwed onto the PE core.
For PDK 50/120 (covering 20–48 in), the duct is integrated directly into the PE core with external threads.

Exchangeable Sleeve: Includes an exchangeable sleeve for added flexibility and extended service life.
Pressure Tested and Reliable: All models are tested up to 7.25 psi (5 m WC), making them a trusted choice for industrial, municipal, and hazmat operations.
Compact Length for Maneuverability: Lengths range from 25 to 42 inches (635 mm to 1,070 mm), making them easy to handle in confined spaces or emergency conditions.

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Specifications

Inflation Pressure: Tested up to 7.25 psi (5 m WC)
Pipe Diameter: Covers 4 to 48 inches (100 to 1,200 mm), model-dependent
Total Lengths: Ranges from 25 to 43 inches (635 to 1,070 mm)
Air Requirement: Ranges from 0.95 to 50.1 cu. ft. (27 to 1,420 L), depending on model
Weight Range: Approx. 5 to 82 lbs (2.2 to 36.8 kg)
Material Construction: Durable PE core with robust inflatable body designed for pipeline bypass

Vetter Pipe Sealing Bags - Inflatable Bypass Bags Applications

This pipe bypass product is specifically designed for bypassing of pipelines during maintenance, repair, or emergency work. When a section of pipe is defective, these inflatable bags are inserted to seal the area internally while diverting flow through a built-in, high-capacity bypass duct. This allows continued pipeline operation without full system shutdown. Additionally, they support pipe leakage control by isolating leaking segments, minimizing fluid escape, and containing contamination. Their use is especially suited for industrial, municipal, and hazardous material (hazmat) applications where fast, reliable intervention is critical.

About Vetter

Since 1964 Vetter has produced pneumatic rescue equipment and tents for fire services and medical services throughout the world. In doing so we always adhere to our general principle “Emergency Pneumatics” as well as our values. It is for you that we continually develop our products further – based on our decades of experience with pneumatic technology and the materials used for this for products like hazmat pipe leak sealing bags.

Vetter has always been very closely connected with the field of rescue since its founding in 1964 as a wholesale trading company for the fire service and civil defense. Here you are able to see the most significant milestones which helped rescue experience and technological know-how to flourish in order to be able to offer you perfected rescue products, Vetter pipe leak sealing bags and medical tents.

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Vetter Bags Hazmat

What is bypassing in pipeline?

Bypassing in a pipeline refers to temporarily diverting the flow of liquids or sewage around a damaged or under-maintenance section of pipe. A bypass system helps maintain continuous operation during repairs, inspection, or emergency work.

Key points to understand pipeline bypassing:
Temporary flow diversion reroutes fluid without shutting down the entire system.
Supports routine maintenance, repairs, or inspection while keeping pipelines operational.
Inflatable bypass bags and plugs seal off the defective area while allowing flow through a built-in bypass duct.
Reduces downtime and prevents costly service interruptions for industrial, municipal, or hazmat pipelines.

Common uses include sewage bypass pumping, controlling of pipe leakage, and emergency pipeline maintenance.