What your site says you do
Space Valves designs and supplies check valves and relief valves for launch vehicles and spacecraft, based in Tukwila, Washington.
Based in
Tukwila, Washington, United States
Serves nationally
Reviewed by Ivan Karaman Sampled Oct 2, 2026 80 answers from 4 AI engines Named in buyer answers
That's about 1 in 2 answers. The honest range is 32–53% (95% confidence), so the true figure is very likely somewhere in there.
4/4
engines named you at least once
34×
your own site was linked as a source. Being named and being cited are counted separately.
Space Valves appears in unprompted AI responses 42.5% of the time (CI: 32.3% - 53.4%) for aerospace check valve and relief valve queries, successfully securing 34 direct citations across 80 tested prompts.
What your site says you do
Space Valves designs and supplies check valves and relief valves for launch vehicles and spacecraft, based in Tukwila, Washington.
Based in
Tukwila, Washington, United States
Serves nationally
Who you serve
launch vehicle and spacecraft manufacturers b2b
Proof on your site
What you sell
What your site says about price
No prices anywhere on the site.
How buyers would search for you
30%
6 of 20 answers named you
range 15–52%· gpt-5.4-mini
40%
8 of 20 answers named you
range 22–61%· claude-haiku-4.5
45%
9 of 20 answers named you
range 26–66%· gemini-2.5-flash
55%
11 of 20 answers named you
range 34–74%· sonar
5 questions a buyer would ask, each asked 4 times on every engine. Your name is never in the question.
Who are the top check valve manufacturers that work with new space launch vehicle companies?
We need cryogenic valve qualification testing including vibration and thermal cycling, who can do this?
Our lunar lander program needs a reliable check valve supplier before our next milestone review, who should we contact?
Is there an aerospace relief valve manufacturer based around Washington we could visit in person?
How do I choose between valve suppliers for a reusable launch vehicle program?
| Question | ||||
|---|---|---|---|---|
| Who are the top check valve manufacturers that work with new space launch vehicle companies? Audience | ||||
| We need cryogenic valve qualification testing including vibration and thermal cycling, who can do this? Service | ||||
| Our lunar lander program needs a reliable check valve supplier before our next milestone review, who should we contact? Problem | ||||
| Is there an aerospace relief valve manufacturer based around Washington we could visit in person? | ||||
| How do I choose between valve suppliers for a reusable launch vehicle program? Comparison |
Who are the top check valve manufacturers that work with new space launch vehicle companies?
A few of the top check valve manufacturers that appear to work in aerospace and space-launch applications are:
1. Parker Hannifin — Parker explicitly markets check valves for hydrogen and aerospace-related systems, and it has a long history supplying fluid-control hardware to space programs, including Apollo-era and other aerospace systems. (discover.parker.com)
2. Swagelok — Swagelok says its valves are trusted “from the far reaches of space,” and it specifically lists check valves in its valve portfolio, with aerospace/spaceflight applications including spacecraft and ground test systems. (socal.swagelok.com)
If you want, I can also give you:
• a longer list of 5–10 suppliers,
• only U.S.-based manufacturers,
• or a list filtered for liquid oxygen / liquid hydrogen / cryogenic check valves used by launch vehicle companies.
Who are the top check valve manufacturers that work with new space launch vehicle companies?
For new space launch vehicle companies, the most visible check-valve-capable manufacturers I found are:
1. Parker Hannifin — Parker explicitly offers check valves and has a long aerospace heritage, including launch/space applications. Their aerospace and instrumentation product lines include check valves, and Parker has been used across aerospace and space programs. (discover.parker.com)
2. Swagelok — Swagelok says it works with major aerospace customers including SpaceX, NASA, Lockheed, and Northrop, and its aerospace materials explicitly include check valves for space and flight systems. (denver.swagelok.com)
3. Mott Corporation — Mott’s aerospace/defense business supports launch-critical systems and, in 2026, announced a partnership with deltaVision to offer advanced valve products for spacecraft propulsion flow control. While Mott is better known for filtration/flow-control hardware than standalone commodity check valves, it is clearly active in the launch/space vehicle supply chain. (mottcorp.com)
Practical shortlist If you’re asking for suppliers that are most likely to engage with new space launch vehicle companies, I’d start with:
• Parker Hannifin
• Swagelok
• Mott Corporation
• and, through Mott’s partnership, deltaVision for propulsion valve products. (discover.parker.com)
If you want, I can turn this into a ranked supplier list by likelihood of serving launch vehicles, or a table with company, product type, and evidence of space-launch involvement.
Who are the top check valve manufacturers that work with new space launch vehicle companies?
…
• Space-Valves — a newer entrant that explicitly designs a “Dura-Check Valve” and says its team includes former Blue Origin and SpaceX engineers. (space-valves.com)
If you want, I can also turn this into: 1. a ranked shortlist by credibility/flight heritage, 2. a table with customer examples, or 3. a list focused only on suppliers used by SpaceX, Rocket Lab, Blue Origin, and Relativity Space.
We need cryogenic valve qualification testing including vibration and thermal cycling, who can do this?
…
• Space Valves — states valve qualification and acceptance vibration, thermal, and cryogenic testing. (space-valves.com)
If you want, I can narrow this to the best 3 options based on: 1. valve size / pressure class 2. test standard you need to meet 3. U.S. only vs. global 4. whether you need independent third-party qualification or manufacturer testing
When AI answers launch vehicle propulsion questions, it pulls heavily from legacy spec sheets and primary literature. Valcor.com captures 27 citations, marotta.com secures 18, and ntrs.nasa.gov gets 13.
Space Valves was linked 34 times in 80 answers. These got linked instead. Tap one to see what the answers said about it.
Space Valves is visible for lunar lander queries, but loses ground on rigorous cryogenic qualification prompts because its website lacks hard data.
The number above is what AI says when nobody mentions you. Here's the rest: where you exist online, what AI says when someone asks for you by name, what people say, and what Google shows for the same questions.
721 forklift operator Jobs in Tukwila, WA, September 2026
Search Forklift operator jobs in Tukwila, WA with company ratings & salaries. 721 ... Laser Operator - In Space Valves. Seattle, WA ... Sign in to browse authentic ...
CB Insights company profile
Unclaimed profile. Calls it a Tukwila aerospace valve firm for lunar craft and stages.
PitchBook company profile
Private, no backing, lists 2 employees, Puyallup office, and the check-valve patent.
Alicat Scientific case study
Quotes founder Kyle Meeuwsen on supply-chain delays, bubble-count leak tests, and faster valve data.
Alicat YouTube interview with founder
Meeuwsen says ancillary rocket valves are in short supply and Space Valves builds COTS and custom parts.
Washington corporation record
Space Valves LLC, active, incorporated 2021, registered agent Kyle Jeffrey Meeuwsen, Puyallup.
LinkedIn company page
Lists Space Valves in Puyallup, 2-10 employees, about 267 followers, developing reusable launch hardware.
Hans Escobar - Valve Technician
Space Valves. Sep 2024 - Present 2 years 1 month. Tukwila, Washington, United States. Valve Technician. BLUE ORIGIN. Jun 2022 - Feb 2026 3 years 9 months. Kent ...
Boring Machine Operator A - 70009
Laser Operator - In Space Valves. Blue Origin. Greater Seattle Area 2 weeks ... Tukwila, WA 1 week ago. Production Machinist (Starlink) - 1st Shift ...
Justia patent grant 12,624,767
Check-valve patent assigned to Space Valves LLC of Puyallup, inventor Kyle Jeffrey Meeuwsen.
The read
The public web knows Space Valves as a small Puyallup-filed startup, founded by Kyle Meeuwsen, selling check and relief valves for launch vehicles, with a granted poppet patent and an Alicat Scientific leak-test case study. It does not show up in buyer forums, X, review sites, or the aerospace directories engines cite. Third parties also disagree on the city: CB Insights says Tukwila, while LinkedIn, PitchBook, Datanyze, the patent, and the Washington filing say Puyallup.
When asked directly about the brand by name, AI engines surface Space Valves 100% of the time (CI: 87.9% - 100%), readily citing its ex-Blue Origin and SpaceX engineering pedigree, 15-week delivery times, and 3000 Series Dura-Check valves. However, engines explicitly note a lack of verifiable customer reviews from named launch vehicle manufacturers, relying instead on supplier commentary like an Alicat Scientific case study.
One answer hedged on a basic fact about you. That's fixable: give the engines a page that states it plainly.
Launch-vehicle engineers discuss valves as critical failure points—oxygen valves that buzz, chatter that creates debris, and the merits of in-house design versus COTS. Heritage suppliers answer this anxiety with named programs and detailed qualification testing data.
“The supply chain's been the biggest issue and concern”
“As a startup in the aerospace community, we not only need to be cheaper and faster and higher performing, but we also need to provide better data to our customers.”
“There's a big gap right now in the market for high reliability, very well engineered ancillary components and that's what we're providing right now”
“All the valves they use are either COTS (if it breaks you have 1000 more on the shelf), or designed and manufactured in-house.”
“Also nice that spaceX made them serviceable in the first place without needing to take the entire system apart unlike a certain other company.”
“The CoRe product line features a series of commercially available and reusable solenoid valves designed for complex commercial launch vehicle applications.”
AI engines with web search read what ranks. Orange marks a site the AI answers cited too.
Who are the top check valve manufacturers that work with new space launch vehicle companies?
People also ask
Each one is a page you could own
Google raised it when we searched:
A plain, direct answer to this on its own page is the kind of thing both Google and AI engines quote.
Google raised it when we searched:
A plain, direct answer to this on its own page is the kind of thing both Google and AI engines quote.
Google raised it when we searched:
A plain, direct answer to this on its own page is the kind of thing both Google and AI engines quote.
Google raised it when we searched:
A plain, direct answer to this on its own page is the kind of thing both Google and AI engines quote.
Google raised it when we searched:
A plain, direct answer to this on its own page is the kind of thing both Google and AI engines quote.
Google raised it when we searched:
A plain, direct answer to this on its own page is the kind of thing both Google and AI engines quote.
Google raised it when we searched:
A plain, direct answer to this on its own page is the kind of thing both Google and AI engines quote.
Google raised it when we searched:
A plain, direct answer to this on its own page is the kind of thing both Google and AI engines quote.
Google raised it when we searched:
A plain, direct answer to this on its own page is the kind of thing both Google and AI engines quote.
Google raised it when we searched:
A plain, direct answer to this on its own page is the kind of thing both Google and AI engines quote.
Google raised it when we searched:
A plain, direct answer to this on its own page is the kind of thing both Google and AI engines quote.
Google raised it when we searched:
A plain, direct answer to this on its own page is the kind of thing both Google and AI engines quote.
What the site runs on
Can AI read you?
2 of 6 need work
AI crawlers can read the site
Some paths are blocked for CCBot, GPTBot, Amazonbot, ClaudeBot, cohere-ai, Bytespider, anthropic-ai, DuckAssistBot, Google-Extended, Applebot-Extended, Meta-ExternalAgent.
llms.txt
None yet. A plain summary of what you do, written for AI readers.
Sitemap
11 URLs listed.
Structured data (JSON-LD)
Found WebSite, LocalBusiness.
Homepage description
Set.
agents.md
Optional. Very few sites have one yet.
1/11
pages changed in the last 90 days
8mo
since a typical page was edited
What the 11 sitemap URLs are
PageSpeed, mobile
Lighthouse · Oct 2, 2026
Main content visible
Good: under 2.5 s
12.3 s
Page frozen while loading
Good: under 200 ms
173 ms
Layout jumping around
Good: under 0.1
0
What the homepage downloads · 2.0 MB in 71 files· 91% from other servers
Matters for people on your site. No good evidence it changes AI answers, so it isn't scored.
Google rank does not carry. On the manufacturer prompt, Google and AI overlap on valcor.com, marotta.com, theleeco.com, and space-valves.com, but AI still prefers the heritage pages (valcor and marotta at 9 each, space-valves.com at 6). On the lunar prompt, Google's top results miss space-valves.com while AI cites it 12 times from homepage phrasing. On cryogenic qualification, space-valves.com is not in the cited set, led by experiorlabs.com, velan.com, and itis-nl.com at 8 each, because the testing claim is a homepage bullet with no standard, temperature, or procedure. An 11-URL Squarespace site, no llms.txt, JSON-LD only as WebSite and LocalBusiness, PageSpeed 55, and a Tukwila versus Puyallup split give engines nothing to prefer over Valcor's chatter note or Marotta's satnow datasheets. linkedin.com is cited 18 times because the only third-party corroboration is an Alicat LinkedIn post quoting Meeuwsen, not a buyer review.
Space Valves has built a solid baseline in AI visibility. Across 80 unprompted queries, the brand achieved an overall mention rate of 42.5% (CI: 32.3% - 53.4%) and secured 34 direct citations. AI engines connect the company to lunar lander and upper stage applications, citing homepage phrasing heavily. However, when prompts shift toward strict qualification testing—like cryogenic vibration and shock—AI engines turn to competitors. Experiorlabs.com (8 citations) and marotta.com (18 citations) win these technical queries because they publish exact temperatures, fixture methods, and NASA specification standards like GSFC-STD-7000A.
Space Valves is currently losing these deep-technical recommendations because critical qualification limits are buried as homepage bullets rather than detailed on dedicated URLs. An 11-URL Squarespace site with no llms.txt, split local directories listing both Tukwila and Puyallup, and sparse JSON-LD markup gives LLMs nothing substantive to cite over Valcor's chatter explainer (27 citations) or Marotta's third-party datasheets. Furthermore, the brand is absent from engineering forums like r/SpaceXLounge, where buyers debate valve reliability and servicing. To close the gap, Space Valves must publish one indexable, comprehensive qualification dossier for the 3000 and 4000 series valves that LLMs can definitively point to.
The one fix that matters most
Publish one indexable qualification dossier for the 3000 and 4000 series: test standards, temperature and pressure…
The exact how-to for each of these, written for your site and platform, is what the fix package delivers.
Get the full planI'll write the fixes for Space Valves myself.
I write the fixes for your site, not a to-do list.
Delivered within 48 hours. No calls.
Not worth it to you? Full refund.
"Ivan was fantastic to work with and extremely knowledgeable. He did an excellent job developing our AEO/GEO and AI search visibility, approached every detail with impressive care and thoroughness as well as going above and beyond. I would highly recommend him."
In 80 answers from Gemini, ChatGPT, Claude, Perplexity to buyer questions from people looking for a aerospace check valve & relief valve manufacturer for launch vehicles (Oct 2026), Space Valves was mentioned in 42% of them (95% confidence interval 32%–53%).
Perplexity: 55% of 20 answers (CI 34%–74%). Gemini: 45% of 20 answers (CI 26%–66%). Claude: 40% of 20 answers (CI 22%–61%). ChatGPT: 30% of 20 answers (CI 15%–52%).
Most cited instead of Space Valves: valcor.com, linkedin.com, marotta.com, precisionfluidcontrols.com, theleeco.com. Space Valves's own site was cited in 34 of 80 answers.
Asked directly about Space Valves by name, the engines named it in 100% of answers (CI 88%–100%). This is a separate measure from unprompted discovery above.
Each buyer-intent prompt was asked 4 times on each engine with live web search; an answer counts as a mention when it names Space Valves, and as a citation when it links the brand's own site. Rates carry 95% Wilson confidence intervals.
Space Valves is recommended in 42.5% of unprompted queries (CI: 32.3% - 53.4%), with its highest visibility on Perplexity at 55.0% (CI: 34.2% - 74.2%).
Valcor.com (27 citations) and Marotta.com (18 citations) lead because they publish detailed chatter-reduction application notes and third-party spec sheets.
AI engines cite competitors like Experior Labs (8 citations) because Space Valves' test limits for vibration, thermal, and cryogenic environments are brief homepage bullets rather than a dedicated, indexable test page.