The Ultimate 316SS Valve Comparison: Discover Valve vs Apollo, Dixon, Jomar, Amazon
by Cody Calderon
(All prices are accurate as of the published date of this post 7/25/2025. Prices are subject to change without notice and will not be considered for price-matching purposes)
When you're shopping for a 1000 WOG 316 stainless-steel, 2-piece ball valve, you're not just looking for a label—you’re weighing performance, construction quality, and value. And with big names, bulk suppliers, and online bestsellers all competing for your trust, it can be hard to cut through the noise.
WOG stands for Water, Oil, Gas—it’s the maximum pressure rating (in PSI) that a valve can handle in non-steam applications. In this instance, 1000 PSI.
This post isn’t here to criticize other brands. Some offer excellent products.
Instead, this is a side-by-side, data-driven comparison between our Discover Valve ¾” and 1” 1000 WOG 316SS 2-piece, full-port ball valves and well-known options from Apollo, Dixon, Jomar, and a top-rated Amazon listing.
Who We Are: Built on Experience, Refined by Standards
Discover Valve isn’t a private-label importer relabeling catalog items. We’ve been in the valve industry for over 20 years, and our President, Michael, has been hands-on from day one—touring foundries, building partnerships, and helping develop products from the ground up.
We’ve seen what works—and what doesn’t.
And while strong QA/QC controls exist on the manufacturing side, we take it further.
Every shipment that arrives at our Colorado Springs warehouse is personally verified by our team before it’s stocked or shipped. Every product is inspected for:
- ✅ Material Verification (XRF tested on-site)
- ✅ Thread Integrity
- ✅ Marking & Packaging Accuracy
- ✅ Leak Testing with Hydro-Pressure
Yes, we test our metal. Every Discover Valve body is verified using a NIST-traceable Niton™ XRF analyzer, so there’s no guessing when we say 316SS. But more importantly, every product is also leak tested in-house with our hydro-pressure bench before it ships.
Nothing leaves our door unless it meets—or exceeds—the standard. That’s not marketing. That’s our commitment.
This isn’t just a material check—it’s a value test, and Discover Valve was built for exactly that.
Valve Comparison Criteria
Each valve in this test was evaluated for:
- Advertised vs. Actual Body Material
- Weight (as shipped)
- Body Length (end-to-end)
- Leak Integrity via In-House Hydro-Test
- Retail Price (as published or verified)
ASME Industry Reference Dimensions (Typical Full-Port Valve Spec)
| Valve Size | Standard Length (mm) | Target Weight (g) |
|---|---|---|
| ¾” | 70–73 mm | 425–550 g |
| 1” | 82–86 mm | 630–750 g |
These ranges reflect typical 1000 WOG full-port 316SS valve specifications for body length and mass, based on industry-standard catalogs and installation expectations.
¾” Valve Comparison Table
🟢 indicates a passed hyro-pressure test.
| Manufacturer | MPN |
Length (70–73 mm) |
Weight (425–550 g) |
Price (USD) | Meets ASME Spec |
|---|---|---|---|---|---|
| Discover | 100092 | 72.35 | 453.59 | 28.72 | ✅🟢 |
| Apollo | AV76F10401A | 70.90 | 425.24 | 64.66 | ✅🟢 |
| Dixon | SSBV75 | 72.32 | 481.94 | 47.15 | ✅🟢 |
| Jomar | JO100904 | 59.00 | 283.50 | 48.95 | ❌🟢 |
| Amazon | N/A | 52.89 | 198.45 | 8.29 | ❌🟢 |
1” Valve Comparison Table
🟢 indicates a passed hyro-pressure test.
| Manufacturer | MPN |
Length (82–86 mm) |
Weight (630–750 g) |
Price (USD) | Meets ASME Spec |
|---|---|---|---|---|---|
| Discover | 100093 | 85.52 | 680.39 | 41.52 | ✅🟢 |
| Apollo | AV76F10501A | 84.41 | 737.09 | 98.12 | ✅🟢 |
| Dixon | SSBV100 | 83.18 | 680.39 | 68.19 | ✅🟢 |
| Jomar | JO100905 | 72.61 | 481.94 | 70.38 | ❌🟢 |
| Amazon | N/A | 60.08 | 255.15 | 11.29 | ❌🟢 |
What’s Inside the Metallurgical Test Report (MTR)
Our official Metallurgical Test Report provides detailed, side-by-side XRF analysis results for each valve tested—including Discover, Apollo, Dixon, Jomar, and a leading Amazon-sourced valve.
All valves tested make the claim of being 316SS.
Every sample was scanned using a NIST-traceable Thermo Scientific Niton XL2 Analyzer, verifying elemental composition for molybdenum (Mo), nickel (Ni), iron (Fe), and chromium (Cr).
Each report includes:
- Manufacturer and model identification
- Recorded percentage of key elements
- Testing mode, time, and sigma variance
- Matched alloy classification or "no match" note if out of spec
These reports are provided to show full transparency in material content. You’ll find both Discover Valve results and comparative data for all major brands tested.
Below is a summarized table of the report. The full report is available for download.
3/4" Valve Composition Table
| Manufacturer |
Mo (2–3%) |
Ni (10–14%) |
Fe (65–70%) |
Cr (16–18%) |
Verified 316SS |
Failure Reason |
|---|---|---|---|---|---|---|
| Discover | 2.220 | 10.331 | 69.903 | 17.331 | ✅ | |
| Apollo | 1.790 | 11.881 | 67.197 | 17.532 | ❌ | Mo below spec |
| Dixon | 2.291 | 9.383 | 69.629 | 18.695 | ❌ | Ni below spec |
| Jomar | 2.034 | 9.743 | 70.976 | 16.454 | ❌ | Ni below spec |
| Amazon | 0.000 | 1.729 | 81.185 | 12.540 | ❌ |
Mo, Ni, Cr below spec. |
1" Valve Composition Table
| Manufacturer |
Mo (2–3%) |
Ni (10–14%) |
Fe (65–70%) |
Cr (16–18%) |
Verified 316SS |
Failure Reason |
|---|---|---|---|---|---|---|
| Discover | 2.186 | 10.539 | 71.657 | 17.415 | ✅ | |
| Apollo | 2.334 | 10.533 | 67.504 | 18.232 | ✅ | |
| Dixon | 2.169 | 8.996 | 69.959 | 17.612 | ❌ | Ni below spec |
| Jomar | 2.431 | 10.207 | 71.904 | 15.455 | ❌ | Cr below spec |
| Amazon | 0.000 | 1.246 | 80.958 | 13.147 | ❌ | Mo, Ni, Cr below spec |
⚠️ A Note on Sample Size and Transparency
Each reading shown was taken from a single valve per manufacturer. This means we're working with a very limited data set. It's important to understand:
- Small sample sizes can show anomalies.
- These results may not reflect the manufacturer’s entire production line.
We’re not in the business of bashing other brands. This isn’t about making anyone look bad. We simply believe in documenting and sharing exactly what we found with the valves we had on hand. That’s it.
Our commitment is to transparency. If we had more valves to test, we’d publish those too.
Disclosure: With that being said, it is our responsibility to inform the consumer that while Apollo, Dixon, and Jomar may have fallen a few points below the minimum chemical composition in one or more elements, they are confirmed to be stainless steel and will perform as such in real world applications.
The Amazon brand can in no way, shape, or form be considered any type of stainless steel. It is an iron valve, at best, and makes the false claim of 316SS.
Full MTR Report:
📄 [Metallurgical Test Report (MTR) – PDF]
Across the comparisons shown, only the Discover valves in both 3/4" and 1" sizes met the full 316 stainless steel composition standard based on the elements tested. While other samples varied, these results reflect individual units and do not represent full production lines.
What the data does show is that Discover offers a valve that meets published material standards while remaining competitively priced. For those evaluating quality alongside cost, this positions Discover as a strong value choice among the options tested.
Choosing a valve isn’t just about the label. It’s about spec integrity, verified performance, and transparent testing.
Discover Valve products are:
- ✅ Verified 316SS via NIST-traceable XRF testing
- ✅ Hydro-tested in-house
- ✅ Spec-compliant in weight and length
- ✅ Backed by over 20 years of operational experience
- ✅ Priced for performance and long-term value
We invite you to review the specs. Check the documents. Ask for the reports.
We're confident you’ll see why Discover Valve was built with value and verification in mind.
Contact us today!
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