CO2 bottle - Home Brewery Information...The regulator connects to the CO2 bottle with the nut and washer on its right side. The regulator is used to adjust the pressure coming out of the CO2 bottle. The regulator has two gauges, a screw for adjustment, and an inlet and ...
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Post on 30-May-2018
THE HOME BREWERY Nationwide Homebrewing Supplies PO Box 730 Ozark, MO 65721 (800) 321-2739 (BREW) www.homebrewery.com firstname.lastname@example.org Our home brewing keg equipment kit consists of the following parts: CO2 bottle The CO2 bottle is a 5 pound cylinder that can be exchanged or refilled at any welding gas supplier, or sometimes at fire extinguisher repair shops. The bottles sometimes have a permanent O-ring attached to the threaded outlet. If the bottle has one of these, there is no need for a washer between the bottle and the regulator. If it does not have the O-ring then you will need to place a special washer between the Bottle and regulator to prevent leaks. Regulator The regulator connects to the CO2 bottle with the nut and washer on its right side. The regulator is used to adjust the pressure coming out of the CO2 bottle. The regulator has two gauges, a screw for adjustment, and an inlet and outlet. The gauge on the left side indicates the pressure in the tank and alerts you when it is low. The gauge on the top indicates the pressure in the line going to the keg. The adjusting screw in the center will change the pressure in the line. Turning the adjusting screw clockwise increases pressure. The outlet on the bottom of the regulator has a built-in check valve to prevent backflow. This is usually connected with a hose barb and clamp to the gas hose that leads to the keg. Stainless steel 5 gallon keg The stainless steel tank used to hold the beer has three openings in the top. The quick disconnect for gas to enter, the quick disconnect for beer to exit, and the oval lid hole in the center. NOTE: The pressure relief valve for kegs is built into the oval lid of the kegs. There are two basic types of kegs: the ball-lock type, and the pin-lock type. The difference between the two types of keg is the type of connector used. The kegs that have little pins sticking out of the side of the connectors are called pin-lock, and the kegs that do not have these little pins are called ball-lock. These connectors cannot be interchanged. Before using kegs, we recommend that you disassemble and clean them thoroughly. Although we pressure test and change any leaking gaskets when we receive kegs, they may or may not have been cleaned. Use a 22 mm metric deep-well socket to remove the connectors. (Some kegs need an 11/16 SAE socket, but most kegs need a 22 mm socket.) Beneath the in-flow connector is a short tube which seats between the keg and a gasket which is compressed when the connector is tight. Remove this tube and clean it along with the connector and the poppet (the spring-loaded piece in the center of the connectors which allows gas into the keg and beer out of the keg). Beneath the out-flow connector is a dip tube going to the bottom of the keg, through which the beer is dispensed. Clean all of these pieces. (Hint: we sell a dip tube brush, which is a very thin and very long brush designed specifically to clean the dip tube. No home brewer who kegs beer should be without one.) Once the keg parts are all clean, reassemble all the pieces and sanitize the keg. IMPORTANT: DO NOT USE BLEACH!!! Bleach will pit the surface of stainless steel, and effectively ruin the keg. When sanitizing stainless steel, Easy-Clean works best. Just mix up five gallons of the Easy-Clean solution in the keg, attach the lid, and roll the keg around to sanitize the short tube on the in-flow side. Then hook up the CO2 and the outflow line and pump the Easy-Clean solution through the dip tube and out the keg. There is no need to push all 5 gallons out of the keg. Just run 2-3 gallons through it, then remove the in-flow and out-flow lines, vent the keg, and dump the remaining solution. Reattach the in-flow line to pressurize the keg to 20 lbs, and you have a clean and sanitized keg, ready for beer! Keg Connectors, hose and spigot The connectors that fit the keg, whether they are ball-lock or pin-lock, are made to fit either the gas connector or the beer connector. These cannot be interchanged. Most of these connectors are color coded to tell the difference: the gray connector is for gas in, and the black connector is for beer out. Either 1/4" or 3/16" heavy wall tubing can be used with these connectors. There are several types of spigots or faucets for serving beer, each a little different, but all are meant to start and stop the flow of beer. Because there will be pressure involved in this process, we recommend that hose clamps are used at the connection points. Setting Up Your Kegging Equipment First, locate a source of CO2 and have your bottle filled. Contact local welding suppliers or other bottled gas suppliers for more information. After you have your bottle filled with CO2, connect the regulator to the bottle with a wrench, using the plastic gasket if necessary. Once the regulator is in place, loosen the pressure adjusting screw in the center by turning counter-clockwise until loose. Gently turn on the pressure from the CO2 bottle. There should be no gas flowing and the top gauge should read zero. Test for leaks with a non-ammonia soapy spray (any leaks will make bubbles in the soap.) Connect the 1/4 tubing to the hose barb on the bottom of the regulator, and secure it with a hose clamp. Put another hose clamp on the hose, and attach the gray keg connector. Secure it with that hose clamp. Turn the adjusting screw on the regulator to read 5 PSI and test the connections with your soapy spray bottle. Take the 3/16 hose and attach the black beer connector to it. Secure it with a hose clamp. Put another hose clamp on the hose, attach the beer spigot or faucet, and secure with the hose clamp. This will serve the finished beer. Once all of the hoses and connectors are fitted, prepare the keg. Open the top of the keg and inspect the interior. Be sure the entire inside surface is clean and sanitary. The ball-lock connectors can be removed using deep sockets. The pin-lock connectors can be removed using modified sockets filed down to accommodate the pin placements. These connector posts should be cleaned before the first use, and then periodically throughout use. The dip tube is the long tube that extends from the top of the keg to the bottom. This can be removed and cleaned after the connectors have been removed. Fill the keg with water and close the lid. Attach the gas connector and set the regulator for around 10 PSI. Remove the connector and spray the top of the keg with the soapy spray bottle. Locate any leaks, release pressure, clean the associated parts thoroughly, and retest for leaks. Sometimes a connector will leak from the poppet in the center. These leaks can often be sealed by depressing the poppet with your finger and allowing it to re-seat. If this does not work, remove it and clean it, or replace it if necessary. Sanitizer should be allowed to run through the beer-serving lines, followed by a clean water run. Depressing the poppet on the beer-out side when the keg is empty and depressurized will allow that dip tube to drain out sanitizer or water that may be in it. Filling and Use Now that your system is assembled and tested, you are ready to keg your beer. There are two ways to carbonate the beer you serve on tap: natural carbonation and forced carbonation. Natural carbonation uses the yeast in the beer to build up CO2 by fermentation in a closed and sealed container. To accomplish this, sanitize the keg and the lid. Siphon your beer into the keg, and add 1/3 cup pre-boiled and cooled priming sugar. Seal the top, and apply about 5 PSI to the keg to seal everything tightly. Leave the keg at room temp for 7 to 14 days or longer, then cool and serve. The forced carbonation method is a little easier, and no extra sugar or priming is required. Simply sanitize the keg and its parts, siphon the beer into the keg, seal the lid, chill and pressurize to 20 PSI or so for a couple days. You may have to adjust this pressure or the time frame a bit to suit your needs. You can speed up this carbonation process by increasing the pressure to 25-30 PSI and shaking the keg. You will hear the gas running into the keg as you shake it. Several cycles of shaking the keg and allowing it to rest should give a quick carbonation. You will want to leave the keg alone for a few days after this to make sure that it is fully conditioned. You can also lay the keg down on the floor, with the gray gas connector down, and roll the keg back and forth for about five minutes. You will hear the gas bubbling through the beer as you roll the keg. Roll it back and forth until you hear the flow of gas stop. This means that the pressure has equalized. Then simply stand the keg back up and let it sit for a few days to fully condition. Serving the beer requires less pressure. When your beer is ready to serve, you will need to vent the keg to equalize the pressure, and then reduce the regulator pressure using the adjusting screw on the regulator. About 3-5 PSI should be a good place to start for dispensing. This pressure may require adjustment to get a good pour without a lot of foaming. If you have trouble with foaming, you can find the correct dispensing pressure by following this method: dial the pressure regulator all the way to zero. Vent the pressure in the keg. Next open the faucet with a glass under it. Now slowly dial the pressure up on the regulator until you get a good pour without much foam. Different tubing sizes, lengths and heights, as well as carbonation levels, all contribute to the exact pressure required for a good pour, so it may require some experimentation to get the right balance. Enjoy your beer on tap! The Home Brewery
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