Does anybody know which psi/flow rate is let through when the regulator is full-open? i can't find it anywhere

These aren’t very precisely made I don’t think there is any flow rate that you’re going to establish for every unit. It is going to vary.

can the barb be removed and if so what is the thread underneath?

The Barb is Press-fit in tightly - You may be able to heat it up and pull it out and Tap the Bore with a small Tap but that may damage the device for trying if your not careful and use the correct size Tap for the Bore Hole which I cant tell you what that might be so..... "your on your own kid for trying" ---- Better order two to be safe.....

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Oxygen Regulator Valve

Product ID: 133524838

Details

Brand
Joywayus
Exterior Finish
Brass
Inlet Connection Type
Barb
Manufacturer
Joywayus
Material
Brass
Number of Packs
1

🔩1/4" barb outlet for versatile connections

🟡Solid brass build ensures durability

🛠️1"-20 Left-hand thread for secure fit

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Description

🛠️ Control your flow, command your space.

COMPACT LIGHTWEIGHT - Small size and just 9g weight make it perfect for portable setups.
PRECISION FLOW CONTROL - Easily adjust oxygen flow with a simple top knob—no gauges needed.
TRUSTED INDUSTRY CHOICE - Ranked #22 in Hydraulic Adapters, backed by strong user reviews.
UNIVERSAL COMPATIBILITY - Fits standard disposable oxygen tanks with a reliable left-hand thread design.
DURABLE SOLID BRASS CONSTRUCTION - Engineered for longevity and corrosion resistance in demanding environments.

The Joywayus Solid Brass Oxygen Regulator Tank Valve is a compact, durable flow control valve designed for disposable oxygen tanks. Featuring a 1"-20 left-hand thread and a 1/4" barb outlet, it offers precise pressure adjustment via a simple knob without gauges. Crafted from solid brass, it ensures long-lasting performance and reliable compatibility, making it a top choice for professionals seeking dependable oxygen regulation.

Specifications

ASIN	B07Q5X8BMD
Best Sellers Rank	#130,955 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #22 in Hydraulic Adapters
Brand Name	Joywayus
Connector Type	Barb
Customer Reviews	4.0 4.0 out of 5 stars (72)
Exterior Finish	Brass
Inlet Connection Type	Barb
Item Weight	9.07 g
Manufacturer	Joywayus
Manufacturer Part Number	6GW-FER-580b
Material Type	Brass
Model Number	6GW-FER-580b
Number of Items	1
Number of Packs	1
Number of Pieces	1
Number of Ports	2
Outlet Connection Size	0.25 inches
Outlet Connection Type	Barb
Size	Small
Thread Size	1"-20
Thread Type	Left-hand
UPC	753936309715
Unit Count	1 Count
Valve Type	Flow Control Valve

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652 kr

Duties & taxes included

In stock

Sold byAmazon NorwayDelivered 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 Norway.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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