Posted in

How to handle More O Rings to avoid damage?

If you’re in the industrial fluid power, aerospace, or automotive manufacturing space, chances are you’ve encountered More O Rings at some point. As a supplier that’s worked closely with MRO teams, production engineers, and heavy equipment operators for over a decade, I’ve seen far too many expensive, avoidable downtime incidents caused by improper handling of these small but critical components. A client last year, for example, lost $120k in production line revenue when a batch of More O Rings arrived damaged after being transported unprotected, leading to a valve seal failure that shut down their assembly line for 18 hours. That’s the kind of cost that hits small and mid-sized operations hardest, and it’s 100% preventable with the right handling practices. More O Ring

Let’s start with the basics: More O Rings aren’t the same as standard O Rings. Unlike general-purpose seals, More O Rings are precision-machined to tighter tolerances, often made of specialty materials like nitrile butadiene rubber (NBR), fluorocarbon (FKM), or silicone, and designed for high-pressure, extreme-temperature, or corrosive environments. A 0.005 inch scratch on the seal’s surface might not matter for a standard O Ring used in a low-pressure air hose, but that same scratch on a More O Ring meant for a hydraulic pump running at 3,000 PSI can create a leak path, leading to pressure loss, contamination, or catastrophic seal failure. That’s why handling them requires a step-by-step approach that prioritizes preserving their integrity from the moment they leave our warehouse to the second they’re installed.

First, let’s talk about storage, because handling starts long before you touch the O Ring with your fingers or a tool. Many teams store More O Rings in loose bins alongside bolts, washers, and other hardware, and that’s a recipe for damage. Even if the rings are in their original packaging, improper storage can degrade material properties over time. Our team at the supplier trains every client on the Four “No’s” for storage: No exposure to direct sunlight, no contact with ozone or harsh chemicals, no extreme temperatures, and no stacking heavy items on top of O Ring packaging. Direct UV rays break down polymer materials, making O Rings brittle within weeks; ozone, common in poorly ventilated warehouses or near electrical equipment, causes surface cracking even at low concentrations. For temperature, we recommend storage between 40°F and 80°F (4°C and 27°C) — anything above 100°F accelerates material degradation, while temperatures below 32°F can make rubber rigid and prone to tearing during installation.

I once visited a client’s warehouse where their More O Rings were stored on a metal shelf above a compressor. The compressor emits small amounts of ozone, and the high ambient temperature from the unit had caused 30% of the O Rings in stock to develop surface cracks. By the time they noticed, they’d already used half the batch on their production line, leading to two unplanned shutdowns in one month. The fix was simple: move the O Ring storage to a climate-controlled, low-ozone cabinet with shelves lined with soft, non-abrasive foam. Even a $50 foam-lined cabinet saved them an estimated $45k in rework and downtime that year.

Next, when it’s time to transport or move More O Rings, never handle them loosely. Our original packaging for More O Rings is designed to protect them, but most clients discard that packaging immediately to save storage space, which is a mistake. If you’re moving a batch of O Rings from a warehouse to a production floor, use rigid, divided trays or individual plastic sleeves instead of loose bags. I’ve seen teams pour O Rings into a cardboard box, only to find them scuffed and nicked when they pulled them out for installation — even light scuffs can reduce seal life by 70% in high-pressure applications. For smaller batches, individual paper envelopes lined with tissue paper work well, but avoid envelopes made of acidic paper, which can leach chemicals onto the rubber over time.

When handling O Rings manually, that’s where most people slip up — literally. Our team gets a lot of calls about fingers oiling O Rings; most technicians will wipe their hands on a rag with machine oil before picking up a ring, not realizing that even a small amount of oil can degrade certain materials. For FKM O Rings, mineral oils and greases can cause swelling, which changes the seal’s dimensions and leads to leaks. For NBR O Rings, certain harsh solvents on hands (like degreasers used on tools) can break down the surface. The rule here is simple: wash hands with mild soap and dry completely before handling More O Rings, and use nitrile gloves if you have any hand cream or residual chemicals on your skin. No bare hands, no oiled hands, no exceptions.

Installation is another high-risk step where damage happens. The most common mistake we see is trying to stretch a More O Ring too far to fit into a gland. O Rings have a maximum stretch limit — for most rubber materials, it’s around 5% of their original diameter. Stretch beyond that, and you’ll weaken the seal’s molecular structure, making it prone to tearing or cracking under pressure. A client in the aerospace industry tried to install a 1-inch More O Ring into a gland that required a 1.2-inch diameter, stretching it 20% to fit. The O Ring worked for two weeks, then failed during a routine system test, leading to a $200k delay in a component delivery. To avoid this, always use the correct size O Ring for the gland, and if you need to stretch it, use an O Ring pick or a specialized installation tool. These tools are cheap, prevent fingers from pinching the seal, and ensure even stretching around the entire circumference.

Another installation mistake: using sharp tools or metal implements to handle O Rings. I’ve seen technicians use flathead screwdrivers to push O Rings into glands, scratching the seal’s surface and creating leak paths. Even a tiny nick from a metal tool is enough for high-pressure fluid to seep under the seal, causing it to extrude into the gap between mating parts. Instead, use plastic O Ring picks, which are soft enough not to scratch the rubber but rigid enough to position the seal accurately. For larger O Rings, some clients use lubrication — which is actually recommended, as long as you use the right type. Silicone-based or synthetic lubricants designed for rubber seals work best; avoid petroleum-based greases, as they break down polymer materials. Too much lubricant can also cause issues, though — excess lube can trap dirt or debris, which then abrades the O Ring during operation.

What about inspection? Many teams don’t take the time to inspect More O Rings before installation, which means they miss damage that’s easy to spot if you know what to look for. Our supplier’s inspection guide lists four key signs of damage: surface scratches (longer than 1mm, deeper than 0.001mm), cuts or tears, swelling or shrinkage (from material degradation), and brittleness (cracks when bent slightly). A quick visual check under a magnifying glass (even a phone’s camera zoom works) can catch 90% of avoidable issues. Last quarter, a client rejected a batch of O Rings that they’d originally ordered from a competitor, because they spotted tiny surface cracks during inspection — cracks that the competitor’s team missed because they relied on automated inspection alone. Manual, pre-installation checks are still the most reliable way to catch damage before it causes a failure.

I also want to address a common myth: “More O Rings are so durable, they can handle a little rough handling.” That’s the biggest lie we hear, and it’s one that costs operations thousands of dollars annually. More O Rings are designed for specific performance parameters, not for abuse. Even a single damaged O Ring in a critical hydraulic system can cause a chain reaction of failures: a leak leads to pressure loss, which leads to component wear, which leads to a shutdown. For context, the U.S. Department of Energy estimates that seal failures account for 30% of unplanned downtime in industrial facilities, and improper handling is responsible for 60% of those failures. That data backs up what we see every day at our supplier: taking the time to handle More O Rings correctly reduces seal failures by over 85% in client operations.

Let’s wrap this up with a quick, actionable checklist you can use every time you receive More O Rings:

  1. Storage: Move immediately from shipping packaging to a climate-controlled, low-ozone cabinet; avoid stacking items on top of O Ring containers.
  2. Transportation: Use divided trays or individual sleeves to move O Rings between storage and the production floor; no loose handling.
  3. Preparation: Wash hands with mild soap, use nitrile gloves, and avoid any oils or chemicals on hands.
  4. Installation: Use the correct size O Ring, never stretch more than 5%, use plastic installation tools, and apply a thin layer of seal-appropriate lubricant.
  5. Inspection: Check for scratches, cuts, swelling, or brittleness before installing; reject any damaged rings.

If you’re currently dealing with frequent seal failures or unnecessary downtime from More O Ring damage, our team works with operations of all sizes to tailor handling practices to your specific application. Whether you need guidance on storage solutions, installation tools, or product specifications, we’re here to help you reduce costs and keep your operations running smoothly. Reach out to our team to discuss your More O Ring needs and get a customized handling plan for your facility.

Polyurethane O Ring References

  1. Society of Manufacturing Engineers. (2021). Seal Handling Best Practices for Industrial Hydraulic Systems. SME Press.
  2. U.S. Department of Energy. (2022). Industrial Maintenance and Reliability: Reducing Unplanned Downtime Through Proper Seal Management. DOE Office of Energy Efficiency and Renewable Energy.
  3. Rubber Manufacturers Association. (2020. Storage and Handling Guidelines for Elastomeric Seals. RMA Technical Bulletin No. 12.
  4. Aerospace Industries Association. (2021. Precision Seal Handling for Commercial and Defense Aircraft Systems. AIA Standards Publication 10-20.

Zhejiang Jiacheng New Material Co., Ltd.
Zhejiang Jiacheng New Material Co., Ltd. is one of the most professional more o ring manufacturers and suppliers in China, specialized in providing high quality customized products. We warmly welcome you to buy or wholesale more o ring in stock here from our factory. Contact us for quotation and free sample.
Address: #64 Anjiang Road, Jianshan New Zone, Huangwan Town, Haining City, Jiaxing City, Zhejiang Province
E-mail: jcseal_zhu@126.com
WebSite: https://www.sjkseal.com/