The Benefits of Using box o ring

O-ring boxes

Introduction

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O-rings are indispensable in various industries for sealing tasks, and their effectiveness can be compromised if not stored properly. O-ring boxes offer a perfect solution, ensuring these critical components are organized, protected, and easily accessible. This article will delve into the substantial benefits of using O-ring boxes, making it clear why they are crucial for anyone managing O-rings in their professional duties.

 

Secure Organization

A major benefit of O-ring boxes is their capacity for secure organization. Featuring multiple compartments and slots tailored for different O-ring sizes, these boxes help you maintain order. Clear labeling options make it easy to identify and retrieve the O-ring you need, eliminating the hassle of sifting through a cluttered inventory. Keeping your O-rings sorted minimizes the risk of loss or damage, enhancing overall job efficiency.

 

Protection from Contaminants

O-rings are vulnerable to damage from dirt, dust, moisture, and other contaminants. O-ring boxes offer a protective barrier, safeguarding these components from harmful external elements. Generally constructed from durable materials like plastic or acrylic, these boxes resist moisture and UV rays, helping to extend the O-rings' lifespan and retain their sealing effectiveness, thereby reducing the need for frequent replacements.

 

Easy Transport and Storage

O-ring boxes are designed for easy transport and storage, whether you need to move O-rings between job sites or store them when not in use. Lightweight and portable, these boxes ensure the O-rings remain secure during transit. Their stackable design maximizes storage space in your workshop or storage area, providing a practical solution to space limitations.

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Variety of Sizes and Configurations

O-ring boxes come in various sizes and configurations to meet diverse needs. From small boxes with a few compartments to large ones with multiple trays or drawers, there are options to fit any requirement. Some boxes even offer adjustable dividers to accommodate O-rings of different sizes within the same compartment, providing a customizable storage solution.

 

Professional Image

Maintaining a professional image is essential in any industry, and O-ring boxes contribute to this. They not only offer functional storage but also enhance your workspace's organization, impressing clients and colleagues alike. A dedicated storage system signifies your commitment to quality and efficiency, with the neatly arranged O-rings reflecting attention to detail and professionalism.

 

Conclusion

Investing in O-ring boxes is a smart move for professionals who frequently handle O-rings. These storage solutions provide secure organization, protection from contaminants, ease of transport and storage, and a variety of sizes and configurations. By using O-ring boxes, you can prolong the service life and efficiency of your O-rings while projecting a professional image. Simplify your O-ring management and enjoy the benefits of well-organized and protected O-rings with O-ring boxes.

O-Rings 101, Understand the seal-eology

Composition. The best place to start is a discussion about the various compositions of 0-rings. The first o-rings were made out of leather, later they were composed of rubber and today there are a veritable plethora of materials to choose from. For Scuba, the SAE sized o-rings come usually come in Buna (Nitrile), EPDM or Viton (Fluorocarbon). Each of these compounds has different flavors which make the o-ring tougher in regards to being able to handle pressure, abrasion resistance and/or resistance to exposure to oxygen. Buna is the cheapest and does rather well for most Scuba applications. It's not rated as "chemically resistant", but for the most part, it does fine. Is it "oxygen clean"? While it won't combust when exposed to pure oxygen, even up to 300 bar, it does suffer more over time. rates Viton and EPDM as a "1" or acceptable for "cold oxygen". Buna has a "2" rating which means it should be fine in a static application. Above 200F, Viton drops to "2" while Buna and EPDM go all the way down to "4" which is unacceptable. Aggressive tank filling can create hot spots in excess of 300F due to adiabatic forces. No, you won't feel those hot spots by touching the tank, but they are there. It's no wonder why most reg repair techs prefer Viton. You should also know that Viton comes in a variety of compounds. Class A, B, F, Extreme, Clean Room and Food Grade are all options from Dupont. The class is determined by the amount of Fluorocarbon used in the manufacturing process. Most of the commercially available Viton is going to be Class A and that's perfectly fine for Scuba purposes.

Color. Natural Viton is brown in color. Black Viton has carbon black in it which makes it a bit more abrasion resistant but a tad more susceptible to oxygen and Green Viton simply has green dye. All classes of Viton are available in all these colors. Buna is most often black and EPDM comes in a rainbow of colors. Don't be fooled by the color. If you don't know the composition of an o-ring, simply assume it is Buna.

Durometer. This is the measurement of hardness and most scuba o-rings have a durometer of 70 to 75. The higher the value, the harder it is to deform or extrude and it's usually also more abrasion resistant. Some DIN o-rings have a durometer of 90.

Lubricants. The amount and type of lubricant depends on the kind of seal and whether the seal is dynamic (moves while in service) or static. Dynamic seals include the barrel o-ring in the hose connecting to your second stage. The o-ring on the other end though (first stage) is static. Dynamic seals require more lubrication than static seals. In addition, it's important that you use a lubricant designed for the type of seal. As a general rule, lubricants designed for dynamic situations are fine for static seals, but the opposite is not true. For regulators then, always use a dynamic lubricant such as Chrytolube or Tribolube. Which one is best? The one on your bench. Although much cheaper, I avoid the use of other lubricants for the same reason I use Viton. I don't think it's a place to "cheap out".

In addition to dynamic/static, it's important to understand if the seal is axial or radial. That barrel o-ring that connects your hose to the second stage is radial as it seals on the outside and inside of the o-ring. It's also one of the few "captured" o-rings in your regulator since it sits (captured) in a groove. With a radial seal, it doesn't matter how tight that nut is, the o-ring seals just by being inserted into the tube. The o-ring in either a DIN or yoke as it attaches to the tanks are examples of axial or compression seals. These seal on the face of the o-ring. The tighter you make it, the better the seal. Since either o-ring can fall out, they are not examples of a captured o-ring.

Sizing. Most regulators and tanks use o-rings that comply with SAE sizing. The first number defines the thickness of the o-ring. A "0" is thinner than a "1" or a "2". The most common o-ring used in a regulator is an 010. Yes, there are "metric" o-rings and they have their own sizing strategy. Normally simply 'matching' an o-ring is sufficient if you aren't sure. Here's a short list of the most popular SAE sizes used in Scuba:

SPG spool: 003
LP Ports: 010
Tank Valve Stem: 010
HP Ports: 011
Yoke: 014 or 015
DIN 111 or 112
HP tank neck: 116
LP tank neck: 214

O-ring Picks. These come in a variety of materials and shapes. Brass is soft and less likely to damage sealing surfaces. Stainless steel is my choice because I can get them very thin and sharp allowing me to slip it beneath an o-ring. I like the ones from www.McMaster.com with the loop handles. In any event, it's important not to scratch the sealing surfaces, so take the appropriate care. Lots of techniques here and it's impossible to describe all the strategies in this post. Hey, that's what the Hog Reg class is all about!

Cleaning. A stiff nylon or soft, soft stainless steel brush is best. Brass is OK but has a hard time with verdigris (green crud). Ultrasonic cleaners are best and while you can use a commercial solution, I opt for white vinegar. I avoid overly aggressive cleaners such as Simple Green or the Purple stuff. Many regulator manufacturers caution against those as well.

Failures. Most failures are caused by dirt or corrosion. Doing a great job of cleaning will almost always resolve these issues. Lubricants seem to attract dirt, so use them sparingly. Nicking or cutting o-rings is another sure fire way to cause a failure. Trying to tighten an o-ring under pressure often results in cutting it. While over tightening rarely causes a 0-ring problem, it can cause cracking or the stretching of brass fittings, which might look strong because they've been chrome plated to reduce verdigris but are actually still rather fragile. Not tightening an axial seal sufficiently will allow the o-ring to extrude or creep through the crack.

Threads. all Scuba regulators, even those from overseas, use NPS or National Pipe Straight threads for the port plugs. Most the metal plumbing in your house uses NPT or tapered threads. How do you know? If it seals with an o-ring, it's a straight pipe thread. If it's being sealed with teflon tape or pipe dope, it's tapered and is very rare nowadays in Scuba. The common sizes (as I remember them)

1/4"x 18 NPS
3/8"x 18 NPS

US tanks (Non-US tanks can be different)
3/4"x 14 NPS
7/8"x 14 NF (Not a pipe thread)

DIN
5/8"x 14 BSP parallel (Different thread from NPS)

So, there you have it. If you have any questions or comments please feel free to post them. Disagree? I don't have a problem with that, but I would ask (in advance) that you provide documentation of some sort. There are a lot of myths about o-rings out there and just because you believe it to be true, doesn't make it so. GTS is a great way to start, but don't be afraid to cite off-line references as well. I spent four years in the p-chem lab as well as the Chemistry Machine shop much of that dealing with o-rings. In addition, I spent about 30 years in the automotive industry where again, I had to use o-rings and diagnose failures, especially in AC systems.

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