#Helium Leak Testing

[ccitusa]

A pre-filled syringe (PFS) is an injectable device containing medication, offering benefits such as reduced contamination risk, accurate dosing, and improved safety compared to traditional vial-syringe systems. Testing PFS for integrity and functionality is critical, with the Seal Integrity Monitoring System (SIMS) 1915+ helium leak detection method providing high accuracy by using helium as a tracer gas to evaluate packages. This method supports a range of testing applications, including package design, production setup, and ongoing quality monitoring. SIMS 1915+ includes components like the Helium Leak Detector Module (HLDM), Vacuum Test Fixture Model (VTFM), and the Model VM-2 Head Space Analyzer Module (HSAM) for comprehensive analysis. Ensuring container closure integrity (CCI) is essential for maintaining sterility and safety of the PFS, which is rigorously tested to adhere to international standards.

[tekmantechnology]

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[ralfmaximus]

Already more than a month late getting back, two NASA astronauts will remain at the International Space Station until engineers finish working on problems plaguing their Boeing capsule, officials said Thursday. Test pilots Butch Wilmore and Suni Williams were supposed to visit the orbiting lab for about a week and return in mid-June, but thruster failures and helium leaks on Boeing’s new Starliner capsule prompted NASA and Boeing to keep them up longer.

They should just rename the mission to Astronaut Orbital Endurance Study and call it a win for science. They have until 2031 (ish) to wrap things up, after which it becomes the Astronaut Screaming While Burning Alive Study.

[beardedmrbean]

Boeing Leaks

After years of delays and technical problems, Boeing's Starliner finally made it to the International Space Station with NASA astronauts Butch Wilmore and Suni Williams on board last week.

But when exactly it'll be able to undock and deliver its crew of two back to the surface remains to be seen.

Teams have discovered an astonishing five different helium leaks so far, each representing yet another thorn in the spacecraft's already cursed development. The gas is "used in spacecraft thruster systems to allow the thrusters to fire" while navigating through space, according to Boeing.

NASA is giving Boeing another four days, extending Wilmore and Williams' mission onboard the ISS from June 14 to no earlier than June 18, though it's unclear whether the leaks are to blame for the delay. Boeing is still "assessing what impacts, if any, five small leaks in the service module helium manifolds would have on the remainder of the mission," according to an update.

Boeing has been through hell and back in its attempts to get its first crewed test flight off the ground, including countless delays, scrubs, technical screwups, and an unsuccessful uncrewed test flight back in 2019.

Where that leaves Starliner's future viability for providing NASA with a reliable way to get astronauts to the space station remains to be seen. While it has managed to dock with the ISS, its mission isn't over until Wilmore and Williams are safely back on the ground.

Hole Story

Last month, officials discovered the first helium leak, which was later underplayed by officials and determined not to be severe enough to delay its journey to the ISS.

On its way up, the capsule sprang even more helium leaks. Even docking procedures didn't initially go as planned, with Boeing calling off its first attempt due to reaction-control thrusters malfunctioning.

There's a lot we still don't know about Starliner's current status. Fortunately, engineers have determined that the capsule will have plenty of helium for its return mission, roughly ten times as much as it needs to maneuver through the near vacuum of space.

"While Starliner is docked, all the manifolds are closed per normal mission operations preventing helium loss from the tanks," Boeing explained in its update.

Meanwhile, NASA is making the most out of the situation.

"The additional time in orbit will allow the crew to perform a spacewalk on Thursday, June 13, while engineers complete Starliner systems checkouts," ISS officials tweeted, referring to two different space station crew members. ________________________________

I'd make Boeing jokes if it weren't for the fact that people could die

[follow-up-news]

NASA is considering keeping the two astronauts who flew Boeing's capsule to the International Space Station there until February as a result of issues the spaceship encountered midflight. The agency said Wednesday that it is still evaluating options for how to bring NASA astronauts Butch Wilmore and Suni Williams back to Earth safely, and that no plan has been made yet. But officials acknowledged more openly than before that they may decide to use a SpaceX capsule instead. “Our prime option is to return Butch and Suni on Starliner,” Steve Stich, manager of NASA’s Commercial Crew Program, said Wednesday in a news briefing. “However, we have done the requisite planning to make sure we have other options open, and so we have been working with SpaceX to ensure that they’re ready to respond.” Wilmore and Williams arrived at the space station on June 6 on the first crewed test flight of Boeing’s Starliner capsule. The initial plan called for them to stay in space for about a week. But problems with five of Starliner’s thrusters and helium leaking from the capsule’s propulsion system have stranded the astronauts there for more than two months as engineers on the ground gather data about the issues and attempt to troubleshoot. The mission was designed to be the final step before the agency could certify Boeing to conduct routine crewed flights to and from the ISS. The fate of that process is now up in the air.

[there-goes-trouble]

Test pilots Butch Wilmore and Suni Williams were supposed to visit the orbiting lab for about a week and return in mid-June, but thruster failures and helium leaks on Boeing’s new Starliner capsule prompted NASA and Boeing to keep them up longer. • By MARCIA DUNN • Updated 12:47 PM PDT, July 25, 2024

[dertaglichedan]

NASA decides to keep 2 astronauts in space until February, nixes return on troubled Boeing capsule

CAPE CANAVERAL, Fla. (AP) — NASA decided Saturday it’s too risky to bring two astronauts back to Earth in Boeing’s troubled new capsule, and they’ll have to wait until next year for a ride home with SpaceX. What should have been a weeklong test flight for the pair will now last more than eight months.

The seasoned pilots have been stuck at the International Space Station since the beginning of June. A cascade of vexing thruster failures and helium leaks in the new capsule marred their trip to the space station, and they ended up in a holding pattern as engineers conducted tests and debated what to do about the flight back.

[fleshchyme]

Boeing and NASA don’t believe that any of Starliner’s thrusters are damaged, say Stich and Nappi speaking at a press conference on Wednesday. If Starliner had to leave the International Space Station immediately (maybe because of a collision with a piece of satellite debris, like the near-miss that caused the crew to take shelter aboard Starliner earlier this week), the ship could get its crew home safely, according to Nappi. “If we were to have to do that today, we would just perform a nominal undocking and return,” Nappi told reporters during a press conference on Wednesday. The extensive tests keeping the spacecraft docked at ISS, they said at the press conference, are a chance for engineers to figure out exactly why five of Starliner’s 28 maneuvering thrusters (technically called the Reaction Control System, or RCS) failed while the spacecraft was docking with the International Space Station on June 6. Starliner’s service module — which houses the thrusters — is designed to burn up during re-entry to Earth’s atmosphere, so once the ship heads home, engineers will lose their chance to poke at the problem. Boeing and NASA also want to be extremely sure there’s actually nothing wrong. “We don’t believe that we have damaged thrusters, but we want to fill in the blanks and run these tests to assure ourselves of this,” Nappi says. Stich adds, “Really, what we're doing is just taking the time to make sure that we have looked under every rock and every stone, just to make sure that there's nothing that would surprise us.”

[ccitusa]

The increasing complexity of combination products in the pharmaceutical and biologics industries demands advanced testing solutions to ensure safety and effectiveness. The SIMS 1915+ Seal Integrity Monitoring System is an ideal tool for detecting leaks in vials, syringes, and combination products, using helium as a tracer gas for precise, quantitative results. It supports various applications including package design, component evaluation, and quality monitoring, with sensitivity levels as low as 1 x 10^-10 mbar L/sec. PTI’s customizable SIMS 1915+ system adheres to FDA guidelines, offering comprehensive testing to confirm product integrity and long-term stability.

[metallasercuttingservicenearme]

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[anitasblogs]

Why Tekman Is the Preferred Choice for Industrial Vacuum Pumps

When it comes to industrial vacuum pumps, choosing the right manufacturer is essential for ensuring reliable and efficient operations. Tekman has established itself as a leader in the vacuum pump industry, offering a wide range of products that meet the specific needs of various sectors. From innovative technology to high-performance machinery, Tekman has earned the reputation of being the preferred choice for industrial vacuum pumps. This article explores the reasons behind Tekman’s success, highlighting some of their standout products, including the Helium Leak Detector, Helium Leak Testing Machine, Helium Recovery System, Vacuum Furnace, and the Single Stage Vane Pump.

Commitment to Quality and Innovation

One of the main things that makes Tekman stand out in the market for industrial vacuum pumps is its dedication to quality. The business makes significant R&D investments to make sure that its goods are at the forefront of technology. Because of its commitment to innovation, Tekman can offer cutting-edge vacuum solutions that frequently surpass industry standards. The needs of the customer are taken into consideration in the design of Tekman's vacuum pumps, whether they are meant to increase operational precision or energy efficiency.

Helium Leak Detector: Precision in Leak Detection

The Helium Leak Detector, one of Tekman's most notable products, is an essential instrument for sectors requiring extremely precise leak detection. Since helium is the second-smallest molecule, it can readily escape through microscopic leaks, which makes it the perfect gas for leak detection in a variety of industrial applications. Because of its exceptional sensitivity, the Tekman Helium Leak Detector enables users to locate even the tiniest leaks in a variety of systems, including vacuum chambers and refrigeration units. This detector's accuracy and dependability guarantee that your systems stay leak-free, reducing downtime and guaranteeing operational safety.

Helium Leak Testing Machine: Ensuring Leak-Free Systems

Tekman offers the Helium Leak Testing Machine in addition to the Helium Leak Detector. By automating the leak detection process, this equipment increases efficiency and lowers the possibility of human error. In sectors where even a small leak can cause serious issues, such as aerospace, electronics, and the automobile industry, the Helium Leak Testing Machine is extensively utilized. Helium is used by the device as the tracer gas, guaranteeing that any possible leaks are found and fixed. Because of its exceptional precision, speed, and dependability, Tekman's leak testing equipment is a vital instrument for quality assurance and control procedures.

Helium Recovery System: Sustainability and Cost Efficiency

Tekman prioritizes sustainability in addition to efficiency. The company's dedication to environmental responsibility is demonstrated by its Helium Recovery System. Since helium is a non-renewable resource, recovering and recycling this priceless gas is essential given its rising demand. By collecting and reusing helium, businesses may lower operating expenses and the environmental effect of gas use thanks to Tekman's Helium Recovery System. This technique is very helpful for helium-intensive industries including electronics, aerospace, and medical device manufacture. Businesses can lower costs and improve sustainability efforts by purchasing Tekman's Helium Recovery System.

Vacuum Furnace: High-Temperature Processing Excellence

The Vacuum Furnace, another important item in Tekman's portfolio, is made for high-temperature processing applications. In fields where exact control over the thermal environment is essential, such as metallurgy, aircraft, and electronics manufacture, this equipment is commonly employed. By enabling heat treatment procedures in a regulated vacuum setting, Tekman's Vacuum Furnace keeps materials from oxidizing or being contaminated. This guarantees the creation of premium parts with enhanced mechanical capabilities. Because of their reputation for dependability, accuracy, and energy efficiency, Tekman's vacuum furnaces are a top option for businesses looking for dependable high-temperature processing solutions.

Single Stage Vane Pump: Efficiency in Motion

One more item that distinguishes Tekman from its rivals is the Single Stage Vane Pump. This kind of vacuum pump finds extensive application in sectors including food processing, packaging, and chemical processing that demand low to medium vacuum levels. The single-stage vane pump from Tekman is made with excellent efficiency in mind, using the least amount of energy possible to provide consistent vacuum pressure. Businesses that value cost savings and operational efficiency will find its small design and ease of maintenance appealing. Tekman's reputation for providing dependable and long-lasting vacuum solutions is further reinforced by the pump's capacity to withstand continuous operation in challenging settings.

Exceptional Customer Support and Service

Outstanding customer service is one of the main reasons Tekman is the go-to option for industrial vacuum pumps. Knowing that every sector has different needs, Tekman tailors its services to each industry's specifications. Tekman's team of professionals can help customers with anything from choosing the best vacuum pump to offering technical assistance and maintenance. They are always accessible to help. Additionally, the business provides after-sale assistance and training to make sure its customers get the most out of their vacuum equipment. Tekman's business philosophy is based on a strong emphasis on client satisfaction, which has played a vital role in building a devoted customer base.

Customization for Diverse Industrial Needs

Tekman's preference in the vacuum pump industry can also be attributed to its ability to tailor its products to the unique requirements of various sectors. Tekman offers a range of vacuum pump systems that may be customized to meet specific operating needs, be it food processing, metallurgy, or pharmaceuticals. The company makes sure that companies of all sizes discover the ideal vacuum pump for their needs by providing a broad selection of models and configurations. This adaptability is especially crucial in sectors of the economy where some applications call for specialized machinery.

Global Reach and Industry Reputation

The Tekman brand is well-known much beyond its immediate vicinity. The company has become a reliable name in industrial vacuum technology and has a global presence. Industries all over the world, including those in North America, Asia, and Europe, use Tekman's products, demonstrating the company's capacity to meet high performance and quality criteria set by international organizations. No matter where they are situated, clients will always receive prompt support and service because of the company's robust global network. The fact that Tekman has become successful internationally is a testament to both its dependability and the trust that companies have in its vacuum solutions.

[firstelevens]

hi zainab!!

taylor swift prompt #15 + sambucky? (bc lord knows i've thought about writing a you belong with me inspired sambucky fic too many times)

15. a smile that could light up this whole town

Reading the room is one of Sam’s greatest skills as a teacher. It’s turned around any number of bad days, resolved countless conflicts, and prevented dozens of failed tests or quizzes.

It’s instinctive enough that when he dismisses his Honors American Literature class right as the bell rings, he’s not remotely surprised when the best student in his class joins the cluster of students around his desk, asking about test corrections and extra credit.

Once he’s sent the rest of them off with the answers they’re looking for, Sam turns to Cindy Moon, who’s fidgeting with the cuffs of her sweater and won’t quite look at him.

“Mr. Wilson, do you think you could write me a pass to stay here during study hall?” she asks, her voice shaking a little. “I know we don’t have anything in the works for philanthropy club, but maybe I could do some planning? Or some research, or something?”

Part of Sam wants to say no, because he had very specific plans for his end-of-the-school-day planning period, and having a student in the room will mean that he has to be in vigilant teacher mode for the next hour and a half instead.

The other part of Sam has not missed the fact that Cindy used to constantly be surrounded by a group of her fellow cheerleaders and an ever-present boyfriend—a senior from the football team, Sam thinks, but not one he’s ever taught—and now she’s always on her own, sitting at the opposite end of the classroom to the group she was inseparable from just two weeks ago.

It has to be worse today of all days: between singing candy grams and carnation deliveries and heart shaped helium balloons everywhere, Valentine’s Day has hit Excelsior Academy hard. He can’t blame her for wanting to escape.

Sam is already reaching for the stack of blank passes before he speaks. “I could use some help organizing the classroom library, if you’re up for it? I had freshmen searching for books to write their reviews on, and they basically destroyed it.”

Cindy agrees, her voice still tremulous, and runs the pass down the hall to Rhodey in the physics lab. She comes back in as Sam is erasing the board, slinging her backpack onto a desk before moving towards the bookshelves that line the back wall of the classroom. 

Sam’s class library is his pride and joy, nearly two hundred books that he painstakingly chose and catalogued over the years. The freshmen were enthusiastic in searching for books, but less so in putting them back. Sam had taught them the last period of the day yesterday, and there had been an English department meeting—useless, but then most meetings were, under John Walker’s tenure as department head—so he only had time to throw them onto the shelf and rush over to the other side of the school.

Clearly, Cindy is aware of this on some level, because when he looks back at her, she’s got the first shelf’s worth of books separated across five different desks, one for each genre. He’s about to thank her for taking this so seriously when there’s a knock on the doorframe.

Standing just outside the classroom is Bucky, a handful of students peering around him.

“What can I do for you, Mr. Barnes?” asks Sam, capping his dry erase marker and waving the group into the room.

“They finally got someone in to fix the leak in the AC vent,” says Bucky, “but it means the room is unusable for the rest of the day. Can the yearbook kids and I camp out in here?”

“Of course,” says Sam. He turns to the kids. “I recommend the desks by the bulletin board, if you need to plug in laptops.”

Peter and Ned and Kamala head over to the desks nearest the outlets. MJ and Miles come in carrying a large posterboard, and behind them, America is carrying a stack of shoeboxes.

“Is it okay if we push some desks together?” asks Miles. “We’ll put them back before we leave.”

His question is underscored by the sound of both girls shifting desks and chairs behind him to make a larger work surface, and Miles winces. Sam laughs a little and tells him that it’s fine, and the three of them open up the boxes and start placing paper cutouts on the poster board.

“Testing layouts,” says America, when she sees him looking. “Sometimes it helps to do it physically instead of onscreen.”

“Mr. Barnes suggested it,” explains Miles, just in time for Bucky to reappear in the doorway.

“I’m only taking credit if it works,” Bucky says, turning sideways so he can get through the door with the two overstuffed tote bags over one shoulder and a backpack over the other.

“You see that?’ Sam asks, crossing the classroom to take one of the bags. “You haven’t even started and he’s already abandoning ship. Some captain, huh?”

“I’m a navigator at best,” says Bucky. “MJ’s captain; she’s the one at the top of the masthead.”

Across the room, Peter grins at MJ and gives her a little salute. Sam catches a smile crossing her face before she bites it back.

“Mr. Barnes is a pretty good navigator, though. He brought us cookies today.”

“Oh, shit,” Bucky says, and the kids seem unfazed the mild expletive. “Where’d I put the cookies?”

Sam looks into the bag that he’s holding and pulls out two boxes of pink frosted sugar cookies, complete with sprinkles and little candy hearts pressed into each one.

“Valentine’s themed and everything,” he says, grinning at Bucky. “Mr. Barnes, who knew you felt so strongly about the holiday?”

“He doesn’t,” says Ned. “Or, well, he does, but the other way.”

“Oh?’ asks Sam, as Bucky sets the box of cookies on an empty desk and sets a box of tissues beside them, his back to Sam. “And what way is that?”

“He said it was a consumerist holiday that doesn’t have anything to do with the history of all the different Saints Valentine. And then he taught us about Captain Cook attempting to kidnap people and getting killed for it.” Kamala finally looks up from her laptop. “That part was really interesting, actually.”

“Thanks,” Bucky says drily, opening the second box of cookies. “And I don’t want to see you all making a mess of Mr. Wilson’s room with these cookies, okay? We’re guests here and we’re going to clean up after ourselves.”

The yearbook kids murmur in assent. Sam glances over at Cindy, who’s still quietly sorting the bookshelves. He’s about to tell her to join them when Bucky beats him to it.

“Cindy, you’re welcome to have some, too,” he says. “And if you want any help organizing, you can absolutely conscript Ned and Peter and Kamala, because Michelle didn’t even give them an assignment for today, so I know they’re not actually working on anything for the yearbook right now.”

She hesitates for a moment, then sets down the stack of books and walks to Sam’s desk to use the hand sanitizer. “I like those flowers, Mr. Wilson,” she says, gesturing to the arrangement that had been waiting on Sam’s desk when he got in this morning. “They’re really pretty.”

Sam can’t help but smile when he looks over at the flowers. “Thanks, Cindy,” he says. Then, to the rest of the classroom: “I think Valentine’s Day is nice. We could all use a reminder to tell the people we care about that we’re thinking of them, even if that reminder is the day that a guy died for being kind to people.”

“There’s nothing wrong with celebrating Valentine’s Day,” says Bucky. “I just thought it was worth the reminder that our cultural traditions aren’t universal.”

“And also that colonizers getting taken out is a net gain, as far as the universe is concerned,” adds MJ, and Bucky’s lips twitch with a bitten-back smile.

“That, I can agree with,” says Sam. “So am I allowed to have one of these not-actually-for-Valentine’s-Day Valentine’s Day cookies?”

Before he can even step towards the box, Bucky is holding one out to him. Sam takes it with a smile and settles back in at his desk, scooting over to make room for Bucky to join him if he wants.

He does, after a moment, pulling over one of the chairs that MJ and America moved.

“Thanks for letting us hang out in here,” he says, pulling out a stack of tests to grade. “If you’d said no, I don’t know who would have let us in.”

“You mean you don’t know who would have let you get a bunch of teenagers hopped up on sugar in their classroom,” says Sam, holding out a red pen. He nods over to where the kids are now sitting on top of the desks, work abandoned in favor of comparing the messages on their conversation hearts. Cindy, he notes with some relief, has joined them.

Bucky takes the pen and waves his free hand. “Minor detail at best. And you got something out of it, too, didn’t you?”

Sam looks back down at the cookie in his hand and shrugs. “I mean, I’d have preferred homemade,” he says, trying not to grin, “but I guess this works.”

Laughing, Bucky elbows him gently and turns back to grading.

— —

That evening, when Sam’s doorbell rings, he answers it and leans against the doorway, blocking the entrance.

“What are you doing here?” he asks. “I thought Valentine’s Day was a consumerist holiday with no historical merit.”

“Peter and Michelle saw us together at that Italian place last weekend!” says Bucky. “I had to throw them off the scent!”

“Uh-huh,” says Sam, arms crossed and unmoving.

“Did you like the flowers, at least?”

Sam glances over at the vase that he brought home from school, now sitting on the mantelpiece. “Maybe.”

“I love you?”

“Is that a question now?”

Bucky huffs. “I brought you wine from that one tiny vineyard you love, and I have The Princess Bride and The Shop Around the Corner, and there’s no one I’d rather spend the day with, and I love you, Sammy. Happy Valentine’s Day.”

For a moment, Sam considers him. Then, he steps aside and waves Bucky in, shaking his head at the triumphant grin that spreads across his face.

“Fine, but only because I want to know what wine you picked,” he says, and immediately disproves it by leaving the bottle on the credenza and hauling Bucky in for a kiss.

[beardedmrbean]

As Boeing's first crewed Starliner test flight nears the 80-day mark of what was initially an eight-day mission, NASA leaders will give an update on Saturday (Aug. 24) to outline their plan on how to return Starliner's astronaut crew to Earth.

The press conference, which is scheduled for Saturday at 1 p.m. EDT (1700 GMT), will include NASA Administrator Bill Nelson and other agency leadership as they discuss plans to return Boeing Starliner astronauts Butch Wilmore and Sunita Williams home. You'll be able to watch the press briefing live on this page, courtesy of NASA TV.

The two astronauts launched to the International Space Station on Starliner on June 5, but saw their mission extended over two months as Boeing and NASA studied helium leaks and thruster issues on the spacecraft. 

"NASA and Boeing have gathered data, both in space and on the ground, regarding the Starliner spacecraft's propulsion and helium systems to better understand the ongoing technical challenges," NASA officials wrote in a statement Thursday (Aug. 22). "The review will include a mission status update, review of technical data and closeout actions, as well as certify flight rationale to proceed with undocking and return from the space station."

Nelson and NASA leadership will discuss that flight rationale in an internal Agency Test Flight Readiness Review at the Johnson Space Center in Houston on Saturday before the press conference to share the meeting's results. 

Last week, NASA officials said they were studying several options for how to return Boeing's Starliner and its crew to Earth. Those include the astronauts landing on Starliner as planned or returning Starliner to Earth empty while its astronauts make their own landing on a SpaceX Dragon spacecraft. A final decision must be made by the end of August to allow time for planning, agency officials said. 

Boeing's Starliner spacecraft is one of two commercial vehicles NASA picked to fly astronauts to and from the International Space Station under its Commercial Crew Program. SpaceX's Crew Dragon capsule is the other. SpaceX has flown nine crewed flights for NASA since 2020 (and several private missions of its own), while Boeing's Starliner's current mission, called the Crew Flight Test, is the company's first of at least six planned crewed missions for NASA under the multibillion-dollar contract.