Does it need pipe tape on the threads for installation? Has anyone had an actuarial flashback and how did it do?

These type fittings are brass against brass and need to be tightened snugly to make them not leak. Use a light soapy solution to check for any bubbles that form in the soapy water. If bubbles appear , tighten a little more. Don't use teflon tape. The seal is not on the thread area, but in the brass "ball and socket" area of the fittings. These flash back arestors are for mounting on the tank, not at the torch. Avoid flashbacks at all costs. The can be fatal.

Are these arrestors UL approved?

I don’t believe these spark arrestors are UL approved. Nor do I think they would need UL approval. The design is simple, and they work. Cheap insurance. I wouldn’t crack open a bottle with out them.

The flow seems to be backwards on the arrestors I recieved. How to I fit to my torch?

Well ,they only install one way ,male and female fittings. If gas flows out your torch they are working correctly !

I bought a victor medalist 350 acetylene torch set. do i need a cga-510 to cga-300 adapter if i use this arrestor?

I used them on my standard size 9/16th ("B") regulators. Just buy the adapters at the same time to be sure. You can always return them if not needed!

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AGPtek Oxygen or Acetylene Flashback ARRESTORS Highest 9/16-18 Threads, B Size

AGPtek Oxygen or Acetylene Flashback ARRESTORS Highest 9/16-18 Threads, B Size

Product ID: 348611601

Details

Brand
AGPTEK
Exterior Finish
Brass
Item Weight
0.01 Ounces
Item dimensions L x W x H
5 x 2 x 10
Manufacturer
AGPtek
Number of Pieces
18

🔥Flashback arrestor safety tech

🔩9/16-18 precision threads

⚙️Universal B size compatibility

Description

🔥 Safety Meets Precision: Never Compromise on Your Flame Control! 🔩

VERSATILE GAS COMPATIBILITY - Designed for oxygen, acetylene, propane, and Mapp gas—one arrestor set to rule them all.
ULTIMATE FLASHBACK PROTECTION - Advanced flashback arrestors prevent dangerous flame reversals, ensuring your workspace stays safe.
COMPACT DURABLE BRASS FINISH - Sleek brass exterior combines longevity with professional-grade aesthetics.
EASY INSTALLATION AT REGULATOR - Quick attach design means no downtime—get back to work faster and safer.
PRECISION THREADING FOR SECURE FIT - Engineered with highest 9/16-18 threads for leak-proof, reliable connections every time.

The AGPtek Oxygen or Acetylene Flashback Arrestors feature high-quality 9/16-18 threaded brass construction designed for B size regulators. Compatible with oxygen, acetylene, propane, and Mapp gas, these arrestors provide critical flashback prevention to protect your equipment and workspace. Easy to install and trusted by professionals, they transform rare flashback risks into a 'never' scenario.

Specifications

Asin	B014W698GY
Best Sellers Rank	#172,507 in Home & Kitchen (See Top 100 in Home & Kitchen) #437 in Gas Stove Replacement Parts
Brand Name	AGPTEK
Customer Reviews	4.5 4.5 out of 5 stars (1,609) 4.5 out of 5 stars
Exterior Finish	Brass
Item Dimensions	5 x 2 x 10 Centimeters
Item Weight	0.01 Ounces
Manufacturer	AGPtek
Manufacturer Part Number	iT0060
Model Number	iT0060
Number Of Pieces	18
Size	Small
Thread Size	9/16-18
Unit Count	1.0 Count
Upc	713382796989

Reviews

User

لا يفيد قليل الجوده

يوجد خلل مصنعي يخرج الهواء من الغطاء المكبوس ،!؟ جاري عملية الارجاع…

24.02.2023

User

Good price.

Work like they should.

20.10.2025

User

Easy to install

Works great

15.12.2025

User

That it fits the description

Excellent product

30.08.2025

User

Oxicut

They look good quality, and they have fast delivery time I will buy again if need it

7.01.2026

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