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Rupture Disc Pricing
Analysis of 1,705 rupture disc listings to determine current market value.
What you'll usually pay
$49.95 typical price
Most are between$20–$127
Brand new$50
Used$79
On sale now1,705
💡 Used ones cost about 58% more here.
👉 In short easy summary
The market median is 49.95. Value is highest for 6 in discs, which carry a 35% premium, while 1 1/2 in discs are the most affordable with a -14% delta.
💚 Best value for your money
1 1/2 in 55 on sale$42.84 · 14% cheaper
Price by disc diameter
Why? Prices scale with size, peaking at 67.25 for 6 in discs and dropping to 42.84 for 1 1/2 in discs.
🛒 Some on sale right now
Common questions
What is the typical cost of a rupture disc?
The market median price is 49.95.
Do larger discs cost more?
Yes, 6 in discs have a median price of 67.25, which is 35% above the market median.
Which size is the most affordable?
The 1 1/2 in discs are the cheapest with a median of 42.84.
How we got these numbers
Worked out from 200 live eBay listings (price range $20–$127, odd outliers ignored). These are asking prices, so use them as a guide. Last checked August 2, 2026.