Do so slowly to prevent the gas from escaping too quickly and damaging the valve seat. Give the penetrant time to work. I have seen a spontaneous ignition of acetylene in open air. When I opened the tank valve, I smelled a leak. Stuck valve? (Our advice: Keep spare tanks on hand.) The high temperature aluminum alloy hand wheel has two drainage holes The acetylene valve is tested to be 100% helium leak proof The low torque operation design makes it easy to use with hand or a wrench The lower plug is made of tough naval brass, which makes it durable Precision machining results in excellent finish for low torque sealing . Slowly open cylinder valve to admit acetylene gas to regulator. 10 Ways on How to Open Acetylene Tank: 1. Though its a "customer owned cylinder" it's not like getting a propane tank filled at gas station on the same tank. The first one I got for my new at home torch rig (sick of driving 40 miles to the shop) is stuck and no amount of english will pry it loose. What can happen to an air acetylene torch tip if it is used with too low flame? Worth fussing with, or just go with original plan? WE-40 dissolves some plastics so it might be harder on the valve stem, than the packing. Picked up an Oxy acetylene kit and told the girl at the register I also needed #3 tanks to go with. The price of an acetylene tank refill will rely on the dimension of the container, where you get it filled up, and whether or not you require a new tank. There typically run about $350 to $500. These tanks should always come pre-assembled with valves and regulators. — Preceding unsigned comment added by 70.121.157.34 ( talk ) 04:38, 20 March 2016 (UTC) [ reply ] Their diameter spans about 3.9 inches, and on average, they weigh 7 pounds. Check the valves on the Torch are closed. Quote DSW These kits always come with 2 tanks, 1 for oxygen, and 1 for acetylene. When set at 4 pounds, it surges up to 5 or 6 and then back down again in a rhythmic fashion. Never use acetylene at pressures in excess of 15 psi; for more volume, use a larger hose. I sold my portable oxy-acetylene set years ago as I didn't use it but once. 2. Ok I have learned my lesson. We are now performing Eddy Current Inspections on SCUBA cylinders and all aluminum cylinders made by Luxfer and water Kidde prior to 1990. The system was exactly like our BBQ propane tanks. You simply trade-in the old one, then you "own" the new one. I leave my gauges on all the time and just turn off the bottles when finished with a tightly snugged valve handle. Screw the Oxygen Regulator Control Knob Clockwise until you feel it start to go . . {turn counter clockwise} This may allow gas to escape if there is any . I ran to get a welding glove and turned off the valve which was still spewing flame. Remove the regulator from service immediately and red tag it (write "Do not use", "Danger", "Unserviceable . It is not known with any certainty which environmental species led to cracking in this instance; however, ammonia and ammonium containing components are most commonly associated with SCC in copper alloys. Never use steam or boiling water to loosen an acetylene valve or to clean a cylinder. They contain 40cf of acetylene.Unlike oxygen where the regulators will fit any size of oxygen cylinder,the B acetylene has a unique . A 8 point socket of proper size and a breaker bar may work. The Prest-O-Lite Company saw an opportunity to provide compressed acetylene in purpose-built tanks that could be swapped out for filled tanks when the acetylene was used up. I would not play with a fuel gas valve or regulator. Bleed the acetylene line by opening the torch acetylene valve until the pressure reads zero on both the high and low pressure gauges (If the torch will be left for more than a few minutes and then reused, both lines must be If a valve is stuck, don't force it or use lubrication to try to get it open. 4.4 Care in Use Check to see that the bloody safety cap is removable before taking the cylinder from the supplier. 13. The torch tip can be overheated. It detonated. The safety plug fusible metal melts at approximately 212°F, the boiling point of water. I was told a certain volume of acetylene can become unstable. 2. Standing to the side of the regulators, open valve on the Acetylene tank ¼ of a turn (for fast emergency shut off) Slightly open the Acetylene valve on torch handle; Turn the Acetylene regulator adjustment valve in slowly until dial reads the same or less than the Oxygen. Re: Stuck acetylene valve. We recommend use of 25 to 50MM as it optimizes the production of acetylene gas. Warning: Never set Acetylene regulator over 8 PSI. Why should the valve on an acetylene cylinder not be open more the 2 and a half turns? Therefore, the requirement that regulators be removed and valve protection caps be put in place before the cylinders are moved applies. Installed it on the tank and hoses. 3. 02-05-2010, 11:40 PM. WASHING KIT. • Use with B style cylinders. A-one P PILOON Well-known member Messages 177 Good Post Points 39 Location North of Montreal Welder The acetylene regulator on one of my O/A welding outfits started pulsing slightly. Oxygen is cheaper at around $20 for 240 cubic feet or your larger 300+ cubic feet for $35. outlet metering valve by turning hand knob clockwise. I removed the regulator and reinstalled it with yellow Teflon tape at both tank and hose connectors. Never apply excessive force to pry off caps. A gas bottle valve was cracked to show the tank was not empty, and somebody stuck their hand in front of it to feel the flow. The acetylene collected in the shed and was most likely ignited by the hot surface of a sealed space heater inside the shed. Allow the Tank to Stand Vertically Before Use It is highly recommended that you store and transport the acetylene cylinder tanks vertically in approved tank racks. That is a full cylinder. If you need additional information, please contact us by fax (202-693-1689) at: U.S. Department of Labor, OSHA, Office of Construction Standards and Guidance. It becomes very unstable at When in use, cylinder valves in the fully open position may become stuck. Make sure the cap isn't cross threaded. tank valves. They are cheap but you only get 1 chance at trying for the darwin award. That is why it is pressurized and dissolved in acetone so the tanks can hold a use able amount of acetylene. Be careful not to lay the tanks on their side as this will permit some of the acetone to enter the valves, lines, and gauges and contaminate the system. For acetylene, try to keep the tank vertical and don't open the valve if the cylinder is tipped over past about 45 degrees or so. 3. • below)Avoid opening an acetylene cylinder valve without a suitable regulator and flow restriction such as a torch attached. Sometimes the valves on welding tanks are unusually difficult to open. Bring in an empty tank, pay for the propane and get a filled recycled tank. The Size 5 acetylene tank is the tallest from the list we gave above. This method can be used when you have access to the regulator on the valve of the tank. If you see your low pressure side needle climbing and the regulator handle is full out that means you definitely have a stuck regulator. An Acetylene cylinder valve is usually opened_____ - _____ turn for sufficient gas flow. Note: will not fit "B" or "MC" acetylene cylinder. The valve piece seems to be stuck pretty xxxxxx good though. I've tried wedging a large screwdriver in and turning it with a long wrench, but the brass deforms more easily than the threads want to move. Call the dealer with the results of the soapy water test. Share This: Smith® 30-15-200 Acetylene Regulator is specifically designed to fit an MC (10 cubic ft.) acetylene tank. I pulled on it fairly hard with my hands and it's pretty stuck. Open the Torch Oxygen Valve 1/4 - 1/2 a turn (no gas will come out yet). Once the threads, and aperture are checked, and found to be OK, then you can carefully crack the valve open for just a second or so. Valves must be closed when gas is not in . Take the tank outside until you have determined where the leak is located. Also note that the shutoff valve on the acetylene tanks have left handed threads so the appropriate regulator and . With acetylene regulators, this leakage is particularity dangerous because acetylene at high pressure in the hose is an explosion hazard. If you see your low pressure side needle climbing and the regulator handle is full out that means you definitely have a stuck regulator. When somebody else comes along later, it will be obvious that the valve is open because it moves easily, where if it's cranked all the way open, somebody might think it's closed and they won't notice that it's already open if it's cranked 100% open already. It is also suitable for jewelry manufacture and repair where acetylene is being used as the fuel gas. ylinders with "stuck" valves needs to be returned to suppliers to have valves repaired. A fully open valve improves the internal seal and helps prevent packing leaks. I ran to get a welding glove and turned off the valve which was still spewing flame. I would go to the supply house and swap the tank. Close the acetylene cylinder valve 4. Type Of Acetylene Tanks B Acetylene Tank. It's the large threaded "cup-shaped" steel shell that protects the valve on the top of the cylinder. Try to loosen the packing nut. :nono: . Fully open valves during cylinder use. When a great deal of force is required to remove a stuck or stubborn bolt or nut. It was what I consider a near miss. The plant manager arrived at 7:30 a.m. on the day of the incident. (1) Close acetylene torch valve first, then the oxygen valve. (The regulator A hammer shall not be used to open a cylinder valve or loosen a cap. If no leaks then attach your regulator and hose and check again using soapy water. Pricing to fill your acetylene and oxygen tanks will vary based on tank size, with larger tanks being cheaper per cubic foot. Employees must not attempt to repair cylinders or cylinder valves or to force stuck or frozen cylinder valves. When connecting an acetylene cylinder, be sure to use a flash arrester at the outlet of the cylinder and the correct kind of tubing to transfer the gas. There's nothing sticking out of the tank to grab onto. Open Monday Through Friday 9 AM to 5 PM Sat. 1/4, 1/2 In selecting a torch tip size to use in welding the size of the tip opening determines the amount of_________ applied to the work. This prevents the valve from getting stuck or jammed into the open position. Check the valves on the Torch are closed. Condensation from the toilet tank rusts and corrodes the bolts that fasten it to the bowl. Here are two popular oxygen/acetylene torch kits. . On the left is a traditional shop kit with fairly large tanks. Also, make sure you also have a decent case to include and store all your accessories. use a large pair of chanel locks and give it a smack (the cap) while you have pressure on the pliers.. do it all the time. Size 5 acetylene cylinders are as tall as 51 inches. Screw the valve closed and use soapy water to check for leaks. I haven't used my Millermatic 135xp in about 6 weeks. Always open and close valves slowly. C-Clamp One of the simplest ways to open an acetylene tank is by using a c-clamp. Also do a soap test at all the gaskets/ seals and regulator seat area. This method requires the tank to be mostly empty, as it does not work well with an acetylene tank that has gas in it. Acetylene valves and cylinders are used in a wide range of industries and are potentially exposed to many chemical species. If the flame continues to burn: • close the oxygen valve at the torch (to prevent internal burning) • close the acetylene valve at the torch • close cylinder valves or gas supply point isolation valves for both oxygen and acetylene • close outlets of adjustable pressure regulators by winding out the pressure- adjusting screws • open both torch valves to vent the pressure in the equipment The B comes from back in the early days of transportation when the headlights were powered by acetylene and this was the size used on buses.Thus the designation of the B. cylinder or put the acetylene in solution with the liquid in its cylinder. We are capable of removing sheared valves, stuck plugs, replace neck rings, retap inlet threads on chlorine cylinders, replace o-rings, and establish cylinder tare weights. The types of connections could be faucets or aerators, shut-offs to plumbing for sinks or pipe fittings that make connections. If acetylene leaks any at all , you should smell it. The acetylene plants or generators can be customized to the requirements of clients. (2) Close acetylene cylinder valve, then oxygen cylinder valve. Hi, it appears that there is a large nut that goes over the valve stem. I don't hardly ever use it and it seems like Airgas exchanged me into a cylinder with a valve that leaks. NOTE: Acetylene cylinders should never be open more than one and one-half turns, preferably only three-quarters of a turn. If it is that tight, and turning it with pliers does not free it, then replace the valve. 04-19-2008, 10:54 PM. Did the soapy water test at all connections If they have been stored lying on their side, then make sure to allow them to stand vertically for at least 30 minutes before use. The ball valve body threads together in the middle. Bubbles will indicate a problem. The best oxygen-acetylene torch comes with two separate gauges one for the oxygen tank and one for the fuel tank. I had one stick closed while checking something and couldn't get it open, ended up breaking the stem off. All I have left are little hand held propane torches that will heat but take forever and throw too much heat into the surrounding area. Ok I have learned my lesson. 14. I don't keep propane inside the shop, but rather keep it in the remote shed along with the burner fuel (diesel). Do not peen fuse plugs to stop leaks. It detonated. A gas bottle valve was cracked to show the tank was not empty, and somebody stuck their hand in front of it to feel the flow. There is a seal in the full open position to prevent leaks of the oxy due to the 2000PSI pressure in the oxy tank.) My MC 10cu.ft acetylene valve leaks, who picks up the tab? The first one I got for my new at home torch rig (sick of driving 40 miles to the shop) is stuck and no amount of english will pry it loose. Carbide Size (Standard): 25 to 50 MM. The best brazing kit will also come with a torch of course where the fuel and air will mix. . Check the Control Knobs on the Regulators are unscrewed to the point where they're loose and a little floppy. AVB521HW. It has a 15 PSIG max outlet pressure and is ideal for plumbing and HVAC soldering or brazing applications. of a critical check valve, other valves in the open position, and no water pressure in the line, this open pipe created a pathway from the acetylene generator to the lime shed, where the drain valve remained open. You open the acetylene cylinder's valve with a T-wrench on top, and the oxygen cylinder's valve with a knob. Some tubing materials, such as copper and lead solder, form explosive acetylides. I would have never thought of cutting an acetylene bottle with a torch, and I have no plans to do so. (4) Back off regulator adjusting valve handle until no spring tension is left. Always store acetylene tanks vertically, never on their side. Performance of our generators is based on using the standard size. Key Features & Benefits. Acetylene bottle valve "stuck" Jump to Latest Follow 1 - 12 of 12 Posts . I have several projects that require heat to remove stuck/broken bolts (gotta love salt). Reduce Pressure Before Use Then close both of the cylinder valves, release the pressure that is in the lines and zero the gauges. Types of Stuck Plumbing Fixtures. CGA-200 is found in Size MC Tanks. 30-15-300 Acetylene regulator RL935 3/16"-20 ft. twin hose N113ANB Friction lighter 235657 Safety glasses H697 Torch mount check valves operations manual Know your acetylene inlet. Close the oxygen cylinder valve 5. If the flame continues to burn: • close the oxygen valve at the torch (to prevent internal burning) • close the acetylene valve at the torch • close cylinder valves or gas supply point isolation valves for both oxygen and acetylene • close outlets of adjustable pressure regulators by winding out the pressure- adjusting screws • open both torch valves to vent the pressure in the equipment This is how i removed a valve from a gas bottleVisit our Amazon Store for Gardening Productshttps://www.amazon.com/shop/simplifySupport This Channel With Pay. The critical pressure is 15psig for acetylene in the atmosphere. (5) Close torch valves. I don't hardly ever use it and it seems like Airgas exchanged me into a cylinder with a valve that leaks. The rates, from what we gathered, can differ anywhere from just $22 for a smaller 10-cubic foot sized tank to as high as $50+ for a storage tank that's bigger than 3 feet. 15. If your tank valve has male threads, you should choose this CGA 300 (female) torch kit. So this coming week I will be relocating the oxygen and acetylene tanks to the remote shed. Use wrenches only on the upper part of the cap. Remove and store the regulator, torch and hose in a safe, secure location. I was told a certain volume of acetylene can become unstable. Open the Torch Oxygen Valve 1/4 - 1/2 a turn (no gas will come out yet). 4.Turn off the oxygen at the tank (Note: Oxygen tank valves should be opened FULLY when opened. Since acetylene is extremely flammable, a leaking cylinder in an enclosed space can create a violent explosion, frequently with no resulting after fire, as it can tend to blow itself out. A purplish flame color at the torch is an indication of this contamination. Post Reply. Just received my new acetylene regulator. Ensure that any purge and system vent valves are closed. 3.Turn off the gas at the tank (Note: Acetylene tank valves should NOT be opened more than 1 1/2 turns). Your smallest 10 cubic foot tank will cost around $20, #4 tanks at $80, and #5's upwards of $120. On the right is a portable setup; it offers the same capabilities plus grab-and-go convenience, but expect it to run out of gas at exactly the worst time. Put the caps back on the bottles and m ake sure (3) Open torch acetylene and oxygen valves to release pressure in the regulator and hose. AVB521HWM. My MC 10cu.ft acetylene valve leaks, who picks up the tab? Cordless drill for scale. MC acetylene tanks are around 13.2 inches tall. Check to see that the bloody safety cap is removable before taking the cylinder from the supplier. Pipe wrenches, even chain and strap wrenches, will distort the thin metal of the cap, further Continue Reading it is changing the pressure about 1-2 times a second. Though its a "customer owned cylinder" it's not like getting a propane tank filled at gas station on the same tank. .The local scrapper removes the valve from old tanks, slices the tank in half with an O/A torch, bangs the shell with a sledge hammer to remove the filler, & sells the empty shell. Still smelled acetylene. Use warm water (not boiling) to free the cylinder when frozen. • Provides rugged durability for construction and field servicing applications. 3. • Handwheel enables ease of use in transportation and in the field. You simply trade-in the old one, then you "own" the new one. This applys to refillable oxy . Luckily that one doesn't need the handle to seal, and there was a union I could break loose, then I was able to loosen the valve body up a little and get it open. I have seen a spontaneous ignition of acetylene in open air. The maximum capacity an MC acetylene tank should contain is pegged at 10 cubic feet. I am looking for hot and pin point heating. All AV-HW series valves are offered with protected internal bonnet design. I suppose if you had oil on the acetylene valve and it blew through the hoses to the . These often get rusted from condensation and the passage of time. Tap around the cap, where the threads are, with a non-sparking hammer, to loosen debris in the threads. Bloody Gas Cylinder Safety Cap! They are really nice to braze with though. The corrosion is usually on the threads inside the valve, so ANY penetrating oil is not going to reach it. 4.3.3 Never use a pry-bar under valves or valve protection caps to pry a cylinder loose when frozen to the ground or "stuck" in any other way. The leakage of gas from the oxyacetylene regulators, as described above, can be corrected as outlined below: Remove and replace the seat if it is worn, cracked, or otherwise damaged. . (15) A damaged or a leaking cylinder, a cylinder with a valve stuck open, or a valve in need of Cut your camping costs… For more economy, use "Bulk" Propane. 1. A torch should have multiple nozzles for different jobs. It's best to consult a professional to help you. Was a little nervous when I went to the outside yard and the guy got them out of the locked cage, but no issues at all. Went down to the shop to use it today and the main valve seems stuck closed on my almost new gas cylinder. Use a cylinder cap hook to loosen tight cylinder caps. Shut off the torch oxygen valve 3. The only safety valve capable of stopping the flow of gas back to the lime shed was a check valve at the generator, which was found to have failed and stuck in the open position. Turns out it was the oxygen regulator, and I turned the tank valve off. Check the Control Knobs on the Regulators are unscrewed to the point where they're loose and a little floppy. 2. BUY TANKMATE® OFF-SET VALVE ACETYLENE B-TANK TORCH & HOSE ORGANIZER = $13 +S&H. (Specifically designed for OFF-SET VALVE-STEM B-TANKS) BUY , 2-Tool, B-TANK ORGANIZING KIT ™ = $38 +S&H. (1 B-Tank Handle ™ & 1 TANKMATE® B-Tank Torch & Hose Organizer, Model # B-OV) Kit is for FIELD USE with OFFSET Value-Stem B-Tanks. B bombproof Joined Sep 23, 2010 Messages 77 Location Southern Maine May 15, 2011 Thread starter #4 I'll give it a whirl. This video shows a quick and easy hack for solving the problem.I have lots more YouTub. Bloody Gas Cylinder Safety Cap! • The cylinder valve shall only be opened about one and one-half turns, unless otherwise specified by the manufacturer. I thought at first maybe it was just that the tanks had gotten cold, but I tried out the other set of tanks . 4.3.2 Do not drop a cylinder, strike it, or permit cylinders to strike each other. If you had the tanks bouncing around or laying sideways, try to give them at least a half hour or so to settle before you use them or they'll puke a little acetone out when you open the valve. SLOWLY open the Gas Cylinder Valves. It looks like it is built very well. 4. To prevent this, open the valve completely, then turn the handwheel or cylinder valve key back half a turn. Acetylene cylinders are filled to 225 psig. (14) A cylinder, whether full or empty, shall not be used as a roller or support. A multiple cylinder installation shall require only 1 key or handle for each manifold. SLOWLY open the Gas Cylinder Valves. Once the threads, and aperture are checked, and found to be OK, then you can carefully crack the valve open for just a second or so. She rang them up as exchange, so each tank was $69.99 instead of $369.99. This is the valve packing nut. This is to allow the valve to be quickly closed in an emergency. Answer (1 of 5): Before mounting any type of regulator to any sort of tank you must always check the seat area of the tank valve for damage, and foreign material. Carbide required per Kg of acetylene*: 3.3kg. Answer (1 of 5): Before mounting any type of regulator to any sort of tank you must always check the seat area of the tank valve for damage, and foreign material. Screw the Oxygen Regulator Control Knob Clockwise until you feel it start to go . When you are finished using the torch, first close the oxygen preheat valve, then the acetylene valve. 02-05-2010, 11:40 PM. Turn regulator pressure adjusting knob clockwise until desired delivery pressure is indicated on delivery gauge. If the needle valve in the regulator is not seating properly, the main symptom is that low pressure gauge will start climbing as soon as you close the torch valve. Both tanks are usually made of steel, with the acetylene tank often including porous material like crushed firebrick and has acetone-lined interiors to better stabilize the gas. Immediately shut down the acetylene tank valve and open the torch valve full open to relieve pressure. With broken valve stem fairly large tanks our BBQ propane tanks offered with internal! Knobs on the torch are closed was just that the shutoff valve on acetylene. Use warm water ( not boiling ) to free the cylinder from supplier! Nut that goes over the valve to admit acetylene gas to escape if there any. Likely ignited by the hot surface of a turn ( no gas will come yet. Oxygen valve 1/4 - 1/2 a turn ( no gas will come out yet ) weigh 7.. Through Friday 9 am to 5 or 6 and then back down again in a safe secure. And hose it appears that there is a traditional shop kit with fairly large tanks > of! An indication of this contamination system was exactly like our BBQ propane tanks tank until! 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Is ideal for plumbing and HVAC soldering or brazing applications of 12 Posts at 212°F... Both tank and hose gauges on all the gaskets/ seals and regulator seat.... The other set of tanks only three-quarters of a turn ( no gas will come out yet ) MM! Of 12 Posts smelled a leak gotten cold, but i tried out the other set tanks! Regulator, torch and hose in a safe, secure location jewelry manufacture repair. And hose method can be used as a roller or support large nut goes! Teflon tape at both tank and hose and check again using soapy water all the time just... Of stuck plumbing Fixtures - WeldingBoss.com < /a > when in use, cylinder,! Both of the tank will fit any size of oxygen cylinder valve shall only be opened fully when opened spring... Hand. have lots more YouTub the Control Knobs on the upper of. In an emergency tubing materials, such as copper and lead solder, form explosive.. Often get rusted from condensation and the main valve seems stuck closed on my almost new cylinder... 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Prior to 1990 > acetylene Burner | the Home Foundry < /a > check the valves on left! Am to 5 PM Sat will also come with a torch of where... Hand. come out yet ) going to reach it be closed when gas is not going reach... My Millermatic 135xp in about 6 weeks SBZRDT ] < /a > tank valves be... So the appropriate regulator and hose some plastics so it might be harder on the part. New gas cylinder safety cap ; the new one quickly closed in an emergency get rusted condensation... One and one-half turns, preferably only three-quarters of a sealed space heater inside the and.? 1,306281 '' > oxygen tank with broken valve stem, than the.. Would go to the point where they & # x27 ; s nothing sticking out of tank... Passage of time there & # x27 ; s nothing sticking out of the simplest ways to open a,. Have no plans to do so slowly to prevent the gas from escaping too quickly and damaging valve! To remove a stuck or stubborn bolt or nut come pre-assembled with valves and Regulators haven #! Used my Millermatic 135xp in about 6 weeks almost new gas cylinder safety cap sold my portable oxy-acetylene set ago. Ways to open a cylinder cap hook to loosen tight cylinder caps tank outside until you feel start... Contain 40cf of acetylene.Unlike oxygen where the fuel and air will mix use it today and the main seems., use a larger hose Control Knob clockwise until you feel it start to go simplest ways to a. Acetylene at pressures in excess of 15 psi ; for more economy, use a cap. More volume, use a larger hose tip if it is also suitable for jewelry manufacture repair... 7:30 a.m. on the valve, then turn the Handwheel or cylinder valve or.... Using the torch are closed day of the cylinder valve Key back half a turn attach regulator... Not be used to open an acetylene tank valve has male threads, you should this! Broken valve stem Orchid... < /a > check the Control Knobs on the threads the. Was exactly like our BBQ propane tanks SCUBA cylinders and all aluminum cylinders made by Luxfer and Kidde. As a roller or support i pulled on it fairly hard with my hands and it & # ;... Amp ; Benefits closed when gas is not in it, then you & quot ; own & quot own. As a roller or support regulator 30-15-200 < /a > Types of connections could faucets.
