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 Acetylene Flashback Arrestors Set Regulator End 9/16-18 Threads B Size

Product ID: 369481368

Details

Brand
AGPTEK
Colour
GOLD
Connector type
Coupling
Item dimensions L x W x H
5 x 2 x 10
Material
Brass

🔥Dual internal check valves for ultimate flashback safety

🔩Precision 9/16-18 B size threaded fittings

🛠️Durable solid brass construction for long-lasting reliability

C$4389

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Description

🔥 Lock in safety and precision with AGPTEK’s flashback arrestor set!

BUILT TO LAST - Premium brass exterior resists corrosion and wear, delivering dependable performance.
TRUSTED BY PROS - Ranked #11 in Welding Gas Regulators with 4.5-star rating from over 1,600 users.
COMPACT LIGHTWEIGHT - Slim 5x2x10 cm design adds minimal bulk without compromising strength.
PRECISION FIT GUARANTEED - Standard B size 9/16-18 NPT threads ensure seamless regulator attachment every time.
UNMATCHED SAFETY ASSURANCE - Dual internal check valves prevent dangerous flashbacks, keeping your workspace secure.

The AGPTEK Oxygen Acetylene Flashback Arrestors Set features dual internal check valves for enhanced safety, standard 9/16-18 B size threaded fittings for regulator compatibility, and a durable brass build. Highly rated and trusted by professionals, this compact set ensures reliable flashback prevention in welding applications.

Specifications

ASIN	B014W698GY
ASIN	B014W698GY
Best Sellers Rank	#90,925 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #11 in Welding Gas Regulators
Brand Name	AGPTEK
Color	GOLD
Connector Type	Coupling
Customer Reviews	4.5 4.5 out of 5 stars (1,606)
Customer reviews	4.5 4.5 out of 5 stars (1,606)
Date First Available	16 June 2016
Exterior Finish	Brass
Included Components	NO
Is Discontinued By Manufacturer	No
Item Dimensions	5 x 2 x 10 centimeters
Item Type Name	NO
Item Weight	0.01 Ounces
Item model number	iT0060
Manufacturer	AGPTEK
Manufacturer	AGPTEK
Manufacturer Part Number	iT0060
Material Type	Brass
Model Number	iT0060
Number of Pieces	18
Product Dimensions	5 x 2.01 x 10.01 cm; 0.28 g
Set Name	Oxygen Acetylene Flashback Arrestor Set
Thread Size	9/16-18
Thread Type	NPT
UPC	713382796989

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Excellent communication throughout the order process. Product is perfect.

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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C$4389

Duties & taxes included

In stock

Sold byAmazon NicaraguaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Nicaragua.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

View all Trustpilot reviews