Posts Tagged ‘Dive Rite’

The OPV Recall: Illustrates why you should check all your gear today.

Sunday, February 7th, 2010

This is Seeded from John McKenzie of http://blog.wetcatscuba.com/?p=704

it is much too important NOT to spread this virally. . . don’t count on the manufacturers. . they don’t have your best interests in mind.

We can take care of your Dive Rite wing OPVs if you need help.  Welcome to the Tribe called K2!

By John McKenzie, on February 7th, 2010

image You giant stride from the gate of the dive boat into the cold swells of the Pacific Northwest’s emerald sea. But unlike on other entries you don’t bob quickly back to the surface with your OK sign beaming. “What’s up?! I am sinking!” goes through your mind. You have an important first choice – whether or not to panic. No panic and you have some good options for recovery and more dives. Panic and you may have only a few minutes before drowning.

That was just one scenario that went through my mind upon a recent discovery while cleaning my dive gear. Thankfully I was not jumping off the back of a boat with my defective gear; instead I was in the comfort of my garage trying to understand why my Dive Rite wing was blowing air out from the lower dump valve. I shuddered as I watched the corroded spring that holds the valve closed and the air inside crumble to bits in my hand. Luckily, I dodged that bullet, as did my partner, my friend and dive shop owner Grant, and the owners of every Dive Rite wing recently inspected by another local dive shop owner at his shop.

The story I wanted to be able to write was one that told how the folks that run dive equipment companies, most likely divers themselves, are extra vigilant and responsive to safety issues with their products. I wanted to hear that upon finding one corroded stainless spring, that was never supposed to rust under any dive conditions, they immediately launched a full scale investigation and rapidly notify dive shops and customers of the potential threat to their life. That’s the responsible thing to do. And when you read this in the recall statement, “…the company is working closely with the US Consumer Product Safety Commission (CPC) and has instituted a VOLUNTARY recall…,” it spins the impression that they “recently” found a problem and are taking quick action to protect divers.

But I cannot tell that comforting story. The story of what we learned

shouts loudly this message to every diver, “If you want to maintain good odds of coming back alive, do not depend on the manufacture, the dive shop, the government recall, you must check your own gear often and have regular professional maintenance.” From our research and many news stories we have seen over the years, we can be confident that the Dive Rite OPV recall story is just one example of how the incentives for a company NOT to respond quickly to prevent injury or death can muddy the ethical waters. It is not all bad news. It does appear that months before the Dive Rite recall, Halcyon, finding the same problem, did take responsible steps in the interest of safety. But, given what we learned about the timeline at Dive Rite, it is possible the even Halcyon found bad springs well before the recall was instituted. From talking directly with Dive Rite staff there is evidence that Dive Rite was much slower to respond and may have only done a recall to cover their butts. It shows that we dare not overestimate the good folks that run our favorite dive business. The sad reality is that CYA and money fears can and often do eclipse thoughts of your safety in business.

THE PROBLEM

The spring that holds the over pressure valve (OPV or dump valve) closed on the (some unknown) number of BCD wings sold by Dive Rite (and by Halcyon and maybe other brands) was supposed to be made of quality marine grade 316 stainless steel. However, someone at an unknown factory in (wait for it…) China made some of the springs out of not so good 304 stainless steel. After a while of being immersed in saltwater, these bad springs will corrode and literally crumble to bits. Before they completely crumble the bladder will start leaking air. And if you are not one of the few divers that routinely inspect for these kind of things, you may get a leak when you are hanging from it over a significant amount of water.

We know of at least three equipment sellers that bought problem OPV springs from the same supplier. These are Dive Rite, Halcyon and Custom Buoyancy Inc. (CBI). CBI is reported to be out of business. Could there be more? The general consensus is yes. Most OPVs on scuba BCDs and other equipment look and work alike. Other suppliers could be getting their valves from the same Chinese factory. But this is a hard trail to follow. Dive Rite claimed to not know the name of the manufacturer and while admitting that divers should be warned, they flat out refused to tell us the name of their supplier. We have filed a freedom of information request with the CPSC…stay tuned.

THE RECALL STORY

As mentioned above, Halcyon came out first with the recall on October 1, 2009 (CPC date) (see our article at http://blog.wetcatscuba.com/?p=563). Our conversation with Halcyon took a much different tone than with Dive Rite. At the least, Halcyon seemed to have a culture of serious concern for their customers’ safety and an indication that they took every step to “do the right thing.” They saw the problem and instituted the recall on their own accord (although a Dive Rite marketing director said she believes Halcyon had in “incident” that prompted the recall). Halcyon staff were not sure of the quantity of bad springs, so they made the recall broad in scope to cover over 20,300 units. They later augmented the recall to ask dealers to replace springs in those units within the range, even if they showed no signs of corrosion. Our Halcyon contact said, “We realized that some units may not have been in the water long enough to corrode, but could corrode later. Why take chance for the measly price of a spring. We told dealers to replace them and we would cover it.” Unlike Dive Rite, Halcyon did not wait for or require their dealers to ask for replacements. They sent the dealers replacement springs with a log book to track replacements. They also created two informational/instructional videos and posted them on their website (see link above).

Dive Rite’s recall came in late December 2009. Why did Dive Rite wait over two months? Did it take them that long to figure out that they also had some bad springs. Not according to their own staff. One Dive Rite source admitted that they saw the problem well over a year before the recall. I was surprised that told me that they only instituted the recall because they knew that people, seeing the Halcyon recall, would sooner or later would figure out that Dive Rite springs were the same. This would look bad if they did not do a “voluntary” recall like Halcyon. He also played down the likelihood that anyone would get hurt by this problem.

Previous to this call, we spoke with another staff member of Dive Rite who also minimized the the numbers, claiming “maybe 100 world wide and only 35 in the U.S. We already had 2 cases in our house, the shop owner who sold us the wings said his was also bad. The second person I talked with was another area Dive Rite dealer. He said, “every spring we checked so far in the 2006-2208 year range tuned out to be corroded.” Other dealers reported similar findings. Now either those bad wings were highly targeted to the Pacific Northwest or our Dive Rite contact was low-balling. We later talked with another Dive Rite contact that admitted the numbers were likely much higher.

I asked Dive Rite if they have sent replacement springs out to their dealers (as Halcyon did) or do dealers have to request them? The response was, “we are sending free replacement springs to dealers, when they ask for them. We do this because we would like to get them to tell us how many they need. We don’t want to send them a pile of springs they may not need. And we need at least some of the serial numbers and counts for the CPC paper work.” During my conversations with Dive Rite, I told them that our LDS had given us a two non-dive rite springs to help get us back in the water. I also told them the shop owner’s spring was bad and he had sold a bunch of Wings within the recall period. A week later he received only four springs from Dive Rite.

After our calls to Dive Rite, the marketing director called us and complained that we were just looking to slam them. She wanted to know “who, at Dive Rite told us those things.” She then admitted that they did see bad springs 18 months before the recall, but claimed that they did take immediate action. She said they notified all dealers about the springs and put an announcement in each of their monthly newsletters since then. However, when we checked more sources we found little evidence of her claims. A former Dive Rite sales representative, who was a liaison between Dive Rite and Dive Rite dealers during the this time said he never heard about the spring problem. He sent us all of his monthly newsletters for the past year and we found no mention. Other dealers had similar stories.

THE COMPANY LINE

Here is the text from the Dive Rite site at: http://www.diverite.com/products/service/opvspringrecall/

Dive Rite takes the safety of our consumers very seriously. In cooperation with the US Consumer Product Safety Commission, Dive Rite is issuing a voluntary recall on various Dive Rite Wings.

The Over Pressurization Valve (OPV) springs found on Dive Rite wings manufactured between June 2006 and October 2008 may rust and fail allowing the buoyancy compensator devices to leak. The wings may be red, blue or black in color and have serial numbers falling between 42000 and 72000. The following models are affected by this recall: Travel, Venture, Rec, Trek, Classic, Nomad and Super Wings It does not affect EXP or 360-branded wings. The recall does not affect lift bags, surface marker tubes or other Dive Rite inflatable devices.

We apologize for any inconvenience and encourage Dive Rite wing customers to contact your local Dive Rite dealer or Dive Rite directly at 800-495-1046 with any questions.

THE MORAL OF THE STORY SHOULD BE REPEATED

Don’t be fooled into thinking this is just a story of the failings of one dive equipment manufacturer. Even for the most responsible of companies, it will still take months for them to institute an official recall. Dive equipment manufacturers need to do better. But, if you want to improve you chances of living through you next dive, get religious about checking and maintaining your own gear. We dive weekly and on every group dive trip I can remember someone on the trip had found they had some kind for equipment problem just before or during the dive.

While you do need to have a professional check your gear on a regular schedule, most of the problems found can be fixed by any diver (e.g. loose hoses, bad o-rings). The training agencies offer specialty courses to help you get more knowledgeable about maintaining your kit. This spring problem is simple to check and fix. If you find any bad springs in any other brands (or any other equipment failure patterns) let us know (john@jmckenzie.com) and we will warn our fellow divers.

The incentives for companies to take the wrong path cannot survive if divers will report problems, demand better gear and better ethics from your equipment vendors. These companies have the technology to catch problems and communicate the resolutions quickly to dealers, shops and customers and only some are doing it. You can also vote with your wallet for companies that have the good values to build safe equipment, with parts from manufacturers they know and trust, and when they do have a problem to handle it quickly and responsibly.

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Dive Rite Product Recall/Drowning Hazard OPV Spring

Monday, December 28th, 2009

The U.S. Consumer Product Safety Commission, in cooperation with Dive Rite, has announced a voluntary recall of v. Partial obstruction of various Wings.

The over pressure valve springs in the diving equipment could rust and fail allowing the buoyancy compensator devices to leak, posing a drowning hazard to divers. No injuries have been reported.

Springs were used on wings that have an opaque white or blue tinted bladder and welded in flanges. Wings with a black bladder are not affected. Only the Dive Rite wings that have a serial number range from 42000 through 72000 are affected by this recall. The serial numbers can be found on a white tag attached along a seam of the wing.

Consumers should immediately stop using recalled diving equipment and return it to an authorized distributor or dealer for a free replacement of the overpressure valve spring.

For additional information, contact Dive Rite at (800) 495-1046, or look on the website for further information at http://www.diverite.com/products/service/opvspringrecall

The over pressure valve springs in the diving equipment could rust and fail allowing the buoyancy compensator devices to leak, posing a drowning hazard to divers. No injuries have been reported.

Springs were used on wings that have an opaque white or blue tinted bladder and welded in flanges. Wings with a black bladder are not affected. Only the Dive Rite wings that have a serial number range from 42000 through 72000 are affected by this recall. The serial numbers can be found on a white tag attached along a seam of the wing.

Consumers should immediately stop using recalled diving equipment and return it to an authorized distributor or dealer for a free replacement of the overpressure valve spring.

For additional information, contact Dive Rite at (800) 495-1046, or look on the website for further information athttp://www.diverite.com/products/service/opvspringrecall

We at K2 will be calling our customers, your safety is our paramount concern.

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Friday, November 27th, 2009

. . .if you have been around for Black Friday, you know the drill. . .

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The asterisk thingys mean “please read the FINE PRINT below” to hip you to how the Discounts/Credits Work!

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Dive Rite TransPac Harness: Proper Fitting

Sunday, August 2nd, 2009
. . . so you get your new spiffy Dive Rite Transpac Harness delivered to your door by the UPS guy.  Woot!  Now, how do you fit it without the need of some goober standing over you and pulling on the dang strappy things?  Well my friend, welcome to K2 Scuba.  We are tickled that you have chosen us to purchase your , and this is a continuing opportunity to empower you do be a self sufficient diver.

On with the show:

When wearing the new TransPac, some folks have previously complained to Dive Rite that the tank is too high and they can feel the tank valve at the back of their head.  If you have the right size harness then the problem can be easily addressed if you look at the TransPac as a new piece of gear and not the latest version of an old BC.

Make sure that the side plates are close to the backplate. When you put your arms down by your side the leading edge of the plate should contact your arm, not the center or back of the plate. Some people say they like the plates forward so the adjustment straps are easier to adjust, this is the first mistake. The adjustment straps are to tweak the size from wetsuit to drysuit and are rarely adjusted. If you like to play with them that’s the problem.

Proper fitting of the TransPac

1. Step into the harness

2. Adjust the chest strap so the shoulder straps come straight down over the shoulder.

3. Fasten the waist belt, make sure it is snug

4. Pull slack out of the shoulder/plate adjustments but not too tight

Since the design is similar to backpacking, the lower you sit when putting the harness on and pull slack out of the shoulder straps the higher the tank will ride. Don’t try to pull all the slack out of the adjustment, you could be looking at the regulator over your head. So don’t tighten it too much and use a crotch strap, it helps center the rig and keep it from moving around. If you have problems, ping me at admin@k2scuba.com  am always ready to help, heck, if you want to we can go vist Lamar, you just need to come his backyard.

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Scuba Diving Safety Equipment: SMB, HELP, & Lift Bags

Saturday, July 25th, 2009

Deploying a surface marker buoy (SMB) at depth.

Shoot a bag. Blow a blob. Toss a marker. These are all phrases for the same thing. That is to deploy an SMB.

First, let’s distinguish the difference between an SMB, an SMB/Handheld Emergency Location Pinpointer and a lift bag.

The SMB is for marking the location of something or someone. This could be marking the location of an object on the sea floor or marking the position of divers in the water. Lift bags are just that, they are made to lift objects. Many people use lift bags as marking devices, but as we will discuss, this is not the most optimal use for them.

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A grateful shout out & thank you for the original post from Duane Johnson of
Precision Diving at  on SMB’s and Lift Bags that we have used here .

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Many SMBs will have different features. The biggest feature that a SMB can have is an over-pressure relief valve (OPV). The primary difference between a SMB and safety sausage is that a SMB will be deployed from depth. Whereas the safety sausage is deployed at the surface for signaling. As the SMB rises from depth, the gas trapped inside will expand. As the gas expands it will stress the stitching that holds the SMB together. If there isn’t some sort of mechanism to release this gas, then the expanding gas will rip apart the stitching of the SMB and releasing all of the gas. Thus rendering the SMB useless.

A device called  HELP (Handheld Emergency Location Pinpointer)

The H.E.L.P. is the revolutionary dive flag that will give you that advantage and will be with you for all your dive seasons to come, providing an edge and peace of mind.

It’s easy to use, lightweight and strong and can be stored safely and easy accessed in your BCD or lifejacket and is extended to over 1500mm in a matter of seconds. No more fumbling on the tank to look for the dive flag that needs assembling (providing it hasn’t fallen off in the ascent).

Weighing less than 150 grams, the help can be waived for long period of times, seen from afar and rugged enough to take the pounding that dive equipment can be subjected to, the H.E.L.P. is the perfect addition to your safety equipment.

Using lift bags for marking have many different problems. I will discuss the three of the biggest problems. First, lift bags do not stand out of the water as SMBs do (on the surface). This limits how boats/surface support can see the bag. Second, most lift bags are open at the bottom. As SMBs and bags rise to the surface, they do not go straight up. Instead the twist and turn as the gas moves/expands inside them. With the open end on lift bags, this can cause the bag to lose gas as it twists and turns on the way up. If it loses enough gas, it will sink back down or it will not provide enough lift stay at the surface. The third big problem of using lift bags for marking is that once the bag gets to the surface, a large amount of gas will cause it to ride high in the water. As it does this, if not enough tension is put on the line, then the bag can fall on it’s side. This will cause the gas trapped inside the bag to escape out the open bottom. This can cause the bag to sink back down or not provide enough lift to properly mark the diver’s location. SMBs are closed, that is they do not have an open bottom. Therefore, it is not possible to lose gas out of the marker.

Other features of SMBs that are important are oral/power inflate and radar reflective tape. The inflation mechanism for SMBs should be orally inflated or inflated with a drysuit/wing inflation hose. If the SMB does allow for LP hose inflation, there should not be a locking mechanism (like on BCD or dry suit inflation nipples) on the SMB inflation nipple. This way if the SMB quickly starts to ascend, it will not be locked to the diver causing a runaway ascent for the diver and the hose will just pull away from the inflation nipple.

Radar reflective tape is also important. When the Coast Guard looks for lost divers in the water (both by boat and helicopter) they will have their radar going. Radar reflective tape is a piece of tape on the top of the SMB that will reflect a radar signal back to the source. Thus showing up on the Coast Guard’s radar screens. This will help the Coast Guard find the lost diver more quickly. Lastly, SMBs should provide enough lift such that divers cannot easily pull it back down to depth. Generally 25 lbs or more of lift is plenty.

As with many diving activities, deploying a SMB is a team effort. At a minimum, there should be at least one SMB per dive team. It is a good rule of thumb for every diver to carry a SMB. The steps to deploy a SMB as a team are below.

1) The dive leader will signal who should deploy the SMB.
2) The diver will signal to the team to watch them deploy the SMB
3) The diver shooting the SMB will pull the SMB and finger spool from their storage locations, generally in a diver’s dry suit pocket.
4) If the spool isn’t already attached to the SMB, the diver must attach it. Generally, most SMBs will have a small d-ring located on the bottom of them. Using the double ender of the finger spool as a weight, the diver will feed the double ender snap (with line attached) through the d-ring. Once through, the diver can pass the entire spool through loop of line at the end of the spool. Remove the double ender from the line and keep it on the right chest d-ring.
5) The diver should signal to a member of the team to look up to make sure that the SMB will not come into contact with another diver, boat, or other obstruction.
6) Once cleared to deploy, the diver should wrap up the spool, line and any access SMB material into one hand. Making sure that no materials, line, etc. are wrapped around fingers, dive gear, etc.
7) The diver should move into a slightly head down position. This makes recovering from a runaway SMB much easier as the diver will need to swim down to control the SMB.
8.) Holding the SMB and spool with the left hand, inflate the SMB till about half full. If you are orally inflating the SMB, take a normal breath, remove the regulator from your mouth with the right hand, blow a half breath into the SMB, repeat until the SMB is half full. You will want to avoid taking to deep of a breath or exhaling to much as it will change your buoyancy. If you are using a LP inflator, use the right hand to hold the LP hose and connect the SMB to the inflator hose. Pay careful attention to how fast the SMB is filling up so that you can remove the inflation hose to prevent the SMB from getting too full. I tend to avoid holding anything with the right had just in case I need to deploy the long hose in an emergency.
9) Once gas is in the SMB, hold the SMB in the left hand and the finger spool in the right hand. Verify that the knot/line attachment to the SMB (from the spool) is in place.
10) Let go of the SMB. As it rises, be careful as to not squeeze the finger spool to tightly. This could lead to a possible runaway ascent. The finger spool should gently unwind between the grasp of your fingers.
11) Once the SMB reaches the surface, extra tension should be put on the line in order to make the SMB stand straight up. To do this, wrap up the line on the finger spool 3 or 4 times.
12) You can lock the spool in place by removing the double ender snap from your right d-ring and clipping the line inside the double ender snap and through a hole in the spool. This will stop the line from unwinding from the spool.

As you move up the water column, you will need to wrap up the line on the spool till you get to the surface. Making sure you are keeping enough tension on the line to keep the SMB standing up out of the water, but not to much tension such that you pull the SMB back down. Due to the presence of line in the water. Diver awareness must be heightened to prevent any entanglements with the line. Also keep in mind that the diver who is managing the line now has only one hand free to respond to problems. So team awareness and communication is critical.

Knowing how to deploy a SMB is a critical skill for open water diving as this is a primary way to communicate with the boat/surface support. You should learn this as part of an Open Water class or Advanced Open water class. If you plan to do a lot of open water diving, such as in the Great Lakes or oceans, your proficiency with this skill must be excellent.

Thanks much for reading this far, feel free to post any questions or comments. Dang it, sign up for the newsletter or RSS fee, show us some love. . .

Tevis

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