---
product_id: 529837162
title: "Strictly Modified High Temp Silicone Welding Back Purging Plugs 3\" - 3.25\" (Set of 2) NEW SIZE"
brand: "strictly modified"
price: "฿3992"
currency: THB
in_stock: false
reviews_count: 1
url: https://www.desertcart.co.th/products/529837162-strictly-modified-high-temp-silicone-welding-back-purging-plugs-3
store_origin: TH
region: Thailand
---

# Fits 3"-3.25" pipes & tubes 600°F heat resistance Pre-assembled fittings ready to use Strictly Modified High Temp Silicone Welding Back Purging Plugs 3" - 3.25" (Set of 2) NEW SIZE

**Brand:** strictly modified
**Price:** ฿3992
**Availability:** ❌ Out of Stock

## Summary

> 🔥 Seal the deal with precision and heat-ready power!

## Quick Answers

- **What is this?** Strictly Modified High Temp Silicone Welding Back Purging Plugs 3" - 3.25" (Set of 2) NEW SIZE by strictly modified
- **How much does it cost?** ฿3992 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/529837162-strictly-modified-high-temp-silicone-welding-back-purging-plugs-3)

## Best For

- strictly modified enthusiasts

## Why This Product

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

## Key Features

- • **Ready-to-Use Kit:** Includes 1/8" NPT barb, diffuser, vent fittings pre-assembled for zero downtime
- • **Exclusive New Size:** 3"-3.25" plugs not found in full kits—upgrade your welding setup with this unique option
- • **High-Temp Durability:** Silicone withstands up to 600°F for reliable back purging in extreme conditions
- • **Effortless Setup & Swap:** Push-out sleeves for quick transfer and custom fitting adjustments
- • **Precision Fit for Versatility:** Designed for 2.5" Sch 5, 3" Sch 40/80 pipes, flanges, and flex sections

## Overview

Strictly Modified’s High Temp Silicone Welding Back Purging Plugs (3"-3.25") deliver professional-grade durability and versatility with 600°F heat resistance, pre-assembled 1/8" NPT fittings, and a unique size fit for multiple pipe and tube types—engineered for seamless installation and superior welding purge control.

## Description

Fitment - 2.5" Sch 5, 3" Sch 40/80 Pipe & 3"-3.25" Tube / Also Fits Inside Flanges, Flex Sections, and anything else with a 3" I.D. (Inner Diameter) / This New Size Not Available In Our Full Kits, Just An Additional Option Fittings Included, (1) 1/8" NPT Barb Fitting, (2) 1/8" NPT Sleeves, (1) 1/8" NPT Diffuser Fitting, and (1) 1/8" NPT Vent Fitting, Pre-assembled and ready for use.

Review: Quality equipment and company - These guys sell good products and they will work with you if somthing goes wrong in the mailing department I didn’t receive my order and they called and tried to make it right but I already started the refund process I ended up wording again from them

## Features

- Easy Installation and Removal. Fitting sleeves can simply be pushed out and transferred to another plug. Since the sleeves are 1/8" NPT, you have the ability to use different fittings, and increase or decrease the feed/vent sizes.
- Fittings Included, (1) 1/8" NPT Barb Fitting, (2) 1/8" NPT Sleeves, (1) 1/8" NPT Diffuser Fitting, and (1) 1/8" NPT Vent Fitting, Pre-assembled and ready for use.
- Back Purge Titanium, Stainless Steel, Inconel with little to no set up time
- Temperature Rating 600 Degrees F
- Fitment - 2.5" Sch 5, 3" Sch 40/80 Pipe & 3"-3.25" Tube / Also Fits Inside Flanges, Flex Sections, and anything else with a 3" I.D. (Inner Diameter) / This New Size Not Available In Our Full Kits, Just An Additional Option

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BRTDWVD7 |
| Best Sellers Rank | #209,957 in Automotive ( See Top 100 in Automotive ) #392 in TIG Welding Equipment |
| Brand | Strictly Modified |
| Color | Green |
| Connector Type | Barb, Sleeve, Diffuser, Vent |
| Customer Reviews | 5.0 5.0 out of 5 stars (4) |
| Date First Available | January 6, 2023 |
| Exterior Finish | Aluminum |
| Included Components | (2) 3"- 3.25" Plugs (2) 1/8" Npt Sleeves (3) Fittings (Pre-Assembled Ready For Use) |
| Item Weight | 1 pounds |
| Item model number | SM325 |
| Manufacturer | SM |
| Material | Silicone |
| Number of Pieces | 2 |
| Power Source | No applicable |
| Set Name | 2 |
| Size | 3"-3.25" |
| Thread Size | 1/8 |
| Thread Type | NPT |
| Usage | Back Purging, Purge Welding, Tig Welding |

## Product Details

- **Brand:** Strictly Modified
- **Color:** Green
- **Connector Type:** Barb, Sleeve, Diffuser, Vent
- **Exterior Finish:** Aluminum
- **Manufacturer:** SM
- **Material:** Silicone
- **Number of Pieces:** 2
- **Size:** 3"-3.25"
- **Thread Size:** 1/8
- **Thread Type:** NPT

## Images

![Strictly Modified High Temp Silicone Welding Back Purging Plugs 3" - 3.25" (Set of 2) NEW SIZE - Image 1](https://m.media-amazon.com/images/I/51Lh8E8olBL.jpg)
![Strictly Modified High Temp Silicone Welding Back Purging Plugs 3" - 3.25" (Set of 2) NEW SIZE - Image 2](https://m.media-amazon.com/images/I/51QByJAY72L.jpg)
![Strictly Modified High Temp Silicone Welding Back Purging Plugs 3" - 3.25" (Set of 2) NEW SIZE - Image 3](https://m.media-amazon.com/images/I/51re8w8Oe9L.jpg)
![Strictly Modified High Temp Silicone Welding Back Purging Plugs 3" - 3.25" (Set of 2) NEW SIZE - Image 4](https://m.media-amazon.com/images/I/61cQPRiqJgL.jpg)
![Strictly Modified High Temp Silicone Welding Back Purging Plugs 3" - 3.25" (Set of 2) NEW SIZE - Image 5](https://m.media-amazon.com/images/I/61p7DFmnoxL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Quality equipment and company
*by A***R on September 18, 2025*

These guys sell good products and they will work with you if somthing goes wrong in the mailing department I didn’t receive my order and they called and tried to make it right but I already started the refund process I ended up wording again from them

## Frequently Bought Together

- Strictly Modified High Temp Silicone Welding Back Purging Plugs 3" - 3.25" (Set of 2) NEW SIZE
- RX WELD Dual Output Argon Regulator Flow Meter Mig Tig 0-60CFH CGA580 Inlet 5/"8 UNF-18RH Outlet
- Strictly Modified High Temperature Silicone Welding Back Purging Plugs Complete Kit 1.25"-4" (Set of 12)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-01-26*