---
product_id: 47204977
title: "Mechanical Low Pressure Bypass Plug with Wing Nut & Bypass Vent for Leak Testing, Isolation & Controlled Pressure | Pipe Size - 2\" (50.8mm)"
brand: "petersen products"
price: "R1545"
currency: ZAR
in_stock: true
category: "Petersen Products"
url: https://www.desertcart.co.za/products/47204977-mechanical-low-pressure-bypass-plug-with-wing-nut-and-bypass
store_origin: ZA
region: South Africa
---

# 2" nominal pipe size precision Mechanical wing nut for secure seal Lightweight aluminum body (70% lighter) Mechanical Low Pressure Bypass Plug with Wing Nut & Bypass Vent for Leak Testing, Isolation & Controlled Pressure | Pipe Size - 2" (50.8mm)

**Brand:** petersen products
**Price:** R1545
**Availability:** ✅ In Stock

## Summary

> 🔧 Seal it. Test it. Own the flow.

## Quick Answers

- **What is this?** Mechanical Low Pressure Bypass Plug with Wing Nut & Bypass Vent for Leak Testing, Isolation & Controlled Pressure | Pipe Size - 2" (50.8mm) by petersen products
- **How much does it cost?** R1545 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/47204977-mechanical-low-pressure-bypass-plug-with-wing-nut-and-bypass)

## Best For

- petersen products enthusiasts

## Why This Product

- Trusted petersen products brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Integrated Bypass Venting:** Threaded bypass port with removable cap enables controlled pressure venting or filling—total control in your hands.
- • **Precision Fit for 2" Pipes:** Engineered for exact 2" (50.8mm) pipe compatibility, ensuring flawless isolation every time.
- • **Versatile Application Range:** Fits pipes from 1.5" to 36", perfect for sinks, showers, floor drains, and utility lines—your all-in-one maintenance solution.
- • **Ultra-Lightweight Durability:** Crafted from cast aluminum, this plug is up to 70% lighter than steel, reducing installer fatigue and speeding setup.
- • **Effortless Low-Pressure Isolation:** Mechanical wing nut expands the natural rubber seal for a reliable, leak-proof barrier during testing.

## Overview

The Petersen Products Mechanical Low Pressure Bypass Plug is a precision-engineered 2" (50.8mm) plumbing tool designed for efficient low-pressure leak testing and isolation. Featuring a lightweight cast aluminum body that’s 70% lighter than steel, a mechanical wing nut for secure seal expansion, and an integrated bypass vent for controlled pressure management, this plug offers versatile compatibility with pipes ranging from 1.5" to 36". Ideal for professional maintenance of water systems, it streamlines testing and isolation with durability and ease.

## Description

Buy Petersen Products Mechanical Low Pressure Bypass Plug with Wing Nut & Bypass Vent for Leak Testing, Isolation & Controlled Pressure | Pipe Size - 2" (50.8mm): Expansion Plugs - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- Nominal Pipe Size: 2" (50.8mm)
- Expanded Diameter - 2.44 in
- Efficient Low-Pressure Isolation: Mechanical low pressure test plug for water systems with bypass feature lets you isolate pipe sections quickly for low pressure leak testing and maintenance.
- Built In Bypass Fill & Vent: Threaded bypass port with removable cap allows controlled pressure venting or filling during testing and maintenance operations, improving pressure control.
- Lightweight Aluminium Construction: Durable cast aluminium body is up to 70% lighter than steel, reducing installer fatigue and easing transport and setup.
- Reliable Seal Expansion: Plated steel wing nut or T handle expands the natural rubber seal against the pipe wall for secure, low pressure isolation.
- Mechanical Plug for Pipe Versatility: This test plug for pipe fits many materials and sizes from 1.5" to 36", ideal for sinks, showers, floor drains, utility lines, and general maintenance.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00M1Z5DX6 |
| Brand Name | Petersen Products |
| Item Weight | 16 ounces |
| Manufacturer | Petersen Products |
| Manufacturer Part Number | 141-0020 |
| Material Type | Aluminum |

## Product Details

- **Brand:** Petersen Products
- **Item Weight:** 16 ounces
- **Material:** Aluminum

## Images

![Mechanical Low Pressure Bypass Plug with Wing Nut & Bypass Vent for Leak Testing, Isolation & Controlled Pressure | Pipe Size - 2" (50.8mm) - Image 1](https://m.media-amazon.com/images/I/410QuvGojzL.jpg)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-03-25*