Help My Food Truck (or Trailer) Equipment Isn't Working! - A Guide to Propane Tanks, BTU's and Your Food Truck 0Is your food truck equipment not operating properly? Do you have low gas pressure, yellow flames, a large amount of black soot deposits, and no blue flame? Your propane tank setup is probably to blame. We recently had a customer who had a food truck built by someone else and they installed two 30 lb horizontal propane tanks in a lower storage compartment. These small tanks may work great for an RV, but a food truck and commercial cooking equipment is a different beast. After working on our customers truck, we wanted to share some very important information about your propane system and specifically your propane tank size. The size of your propane tank(s) DOES MATTER! It is VERY important. It is important for the following reason: The larger the tank the higher the VAPORIZATION rate of the liquid propane. The liquid propane uses the temperature difference between it's boiling point (-44 degree F) and the outside temperature to create vaporization. When the tank is initially filled with liquid propane (80%-85% maximum) some of the liquid vaporizes into propane gas until an equilibrium is reached. The gas is withdrawn from the tank, the pressure is lowered below that of equilibrium, lowering the boiling point of the liquid. This causes more vaporization of the liquid into gas. Here are some things to find out when making sure you are setup properly.
#1 What is the MAXIMUM BTU's my cooking equipment uses per hour?Every piece of commercial gas cooking equipment is rated at so many BTU's per hour. When you have all your burners turned up high, and are running full bore, what is the maximum demand of your equipment? For example, a common food truck may include: 40lb Fryer - 102,000 BTU's 24" Broiler or griddle - 80,000 BTU's 4 Burner Hotplate - 100,000 BTU's 2 Well Steam Table - 7,000 BTU's In this example your total MAXIMUM BTU load is: 289,000 BTU's per hour. You will need add other items that run on propane, like a propane generator.
#2 What size propane tank do I need to operate my equipment?We understand you may never operate all of your equipment at MAX BTU's all at the same time, but the MAX BTU will help size your propane tanks. There are a few factors that will determine the size of your tanks:
- Where will the tanks be installed on the trailer or truck? This may determine the maximum size tank you can install.
- How often do you want to have the tanks filled? If can install larger tanks or even multiple tanks this will extend the time between fill ups.
- What is the vaporization rate of the tank? Vaporization rate is the rate at which the propane liquid is boiled off to propane gas. The small the tank and the colder the temperature the lower the vaporization rate. Vaporization rate is the MOST IMPORTANT of these factors.
#3 What an Incorrect Setup will Do to Your Cook LineIf you are running say, one 40lb propane tank, on your best day (fill up day) you are getting 131,000 BTU/hr when it's 60 degrees outside. If it's winter/spring in the morning you are only getting 105,000 BTU/hr. Equipment Needs: 289,000 BTU/Hour Equipment Receives: 105,000 BTU/Hour Propane Deficiency: -184,000 BTU/Hour Your equipment may light, and may function, but you'll experience a problem we like to call yellow flame. Yellow flame is caused by an improper air/fuel mixture resulting in yellow flame that is not as hot as the proper blue flame, and causes excessive soot and blackening of your pots and pans, and exhaust hood system. Other side-affects of poor gas flow is increased cook times, due to your equipment trying to cook with one hand tied behind it's back. Less BTU's = less heat, so your equipment is operating in-efficiently. Here is a excerpt from another blogger who addresses the issue of yellow flame. This is written assuming that your gas pressure isn't the issue, and that it's just your air/fuel mixture that needs adjusting:
Problem #3: Commercial Gas Broiler has a Yellow Flame or Weak Blue Flame Commercial gas broilers should always have a strong and straight blue flame. If you notice that your broiler’s flame is flickering or has changed to a yellow color, then you need to adjust the air shutters to increase or decrease the amount of oxygen flowing to the flame. A yellow flame on your broiler is a sign that the flame is not as hot as it needs to be. The lower-temperature flame is a problem with cooking temperatures, but it is also a problem because it causes soot to form from unburned gas. This soot will build up on your broiler’s internal parts and cause a multitude of problems.(http://bigheadedbbq.com/2015/03/30/food-truck-owners-guide-to-common-commercial-gas-broiler-problems-and-their-solutions/) Bottom line, it's very important that you have proper gas flow, to make sure your equipment runs correctly. Whether you are buying a used truck, having one built, or already own one and aren't getting the performance from your food truck equipment that you would like, this will fix your issue caused by a lack of BTU's to your cooking equipment. Thinking of having a food truck built in the Tri-Cities area of Washington State? We are a general contractor and would love to meet with you and give you a price on a food truck or trailer! Western Equipment Sales 1620 E 7th Ave Kennewick, WA 99337 www.westernequipmentsales.com Open Monday - Friday 8am - 5pm PST. 866-585-6978
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The Chicken Shack - West Richland 0We finished our most recent project, a new restaurant in West Richland, WA called Chicken Shack. This restaurant will boast some really great chicken option for the enthusiast, with their own unique blend of sauces and cooking style. On the project:
- We sold and installed the hood, make-up air and exhaust system and arranged for install of the fire suppression system
- Sold the kitchen equipment including refrigeration and cooking equipment.We are very proud of the way it turned out! If you need your kitchen built, remodeled, or renovated, give us a call at 866-585-6978 for a bid. Depending on the job, we provide free design services with the purchase of the equipment package.
CYBER WEEK SALE! 10% OFF EQUIPMENT, PARTS AND SUPPLIES! 0For the first time ever we are having a Cyber Week sale on our website and in our store! Now through Friday, we are offering 10% OFF your entire cart at checkout! This includes equipment, parts and supplies! Some exclusions will apply. See our sales team for details!
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New and Improved Showroom Area! 0We have been working long and hard at improving our customer experience here at Western Equipment Sales. While we may still be in that hard to find location in Kennewick, WA our restaurant equipment selection has increased and we are stocking more product now that never before. We have upgraded our point-of-sale, and made pricing and finding products easier than ever! Here are a couple of photos to show you the progress we have made, and this is only the beginning. We have big plans as we continue to grow into 2016! [gallery type="rectangular" link="file" ids="662,663,664,665,666,667,668,669" orderby="rand"]
Beware of the Off-Brand Fryer: A Cheap Fryer Buyer's Guide 0Alright people, listen up. We have been getting a lot of requests for help converting some "off-brand" fryers out there, and I wanted to warn those of you who are thinking about buying one and converting them. These "throw away" fryers are saturating the market due to their incredibly low prices, and big box food equipment site offerings, which give it a lot of visibility. Is there anything wrong with an inexpensive piece of food service equipment? ABSOLUTELY NOT. But if it comes at the expense of no parts support, and little to no product support, then YES. Here is a list of what we feel are acceptable good buy fryers at a great price, that have solid manufacturer support behind them when you need help.
Good Quality Fryers with Manufacturer Parts Support1. American Range makes a great entry level Fryer in their AF-35/40 or (AF-40). It's a two tube burner fryer with a 40lb. capacity. You can buy this unit for around $799-$950 most places, depends on shipping costs (on our website too. American Range AF-40 Deep Fryer) They have great parts support, and you can buy this brand with confidence. 2. Pitco / Friolator is by far the leader in commercial frying equipment, and rightly so. Their parts support, diagrams, and expert technical advice make it very easy to convert from NAT to LP, and the other way around. You can find a decent 3 burner Pitco used for around $500. 3. Vulcan is another big name in the industry that has a great part support behind it. Definitely a safe buy, whether it's new or used. 4. Frymaster is a fryer giant in the industry, they have superior part support as well for any issues that may arise. And yes, they have conversion kits for their fryers, among other parts.
Words to the Wise
A good rule of thumb is if it's not a well known brand, there probably won't be good part support, which usually equals no ability to convert the fryer.If you need help with your fryer, or would like to buy a good quality fryer at a great price, give us a call at Western Equipment Sales. We would love to come along side and partner with you and your food service establishment.
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