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Way too often, media coverage on science and technology tends to concentrate on topics of current fashion or what some people call as “high-fi” themes — be it the God particle, stem cell biology, or yet another nanomaterial. Articles that appear in “high impact” journals are covered more often while discoveries and analysis of everyday problems and suggestions to handle them, usually published in more modest journals are given the go-by.
Crosswater – Crosswater is a leading brand which makes exclusive and well designed bathroom accessories. Also, there are a variety of choices that they provide us in colors and designs of its accessories. So it will be great for us to fit Crosswater bathroom accessories to give it a modern look.
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Hydroponics – Sustainable. Agriculture for the ... Variety of Hydroponic Systems Based on. Nutrient ... field grown vs $1.00 / lb for hydroponic tomatoes. Target ... Hydroponics – Sustainable st Century Agriculture for the 21 Richard Tyson University of Florida / Orange County Extension WHERE DOES YOUR FOOD COME FROM ? LOCAL FOODS Food security Economic security Food safety Socially responsible Environmentally responsible Hydroponics : Definition Growing plants without soil in a liquid or soilless media with a mineral nutrient solution Hydroponics Greenhouse or outdoor systems Environmental and labor friendly Crop choices ‐ environment and cost factors pH recommendation range from 5.5‐6.5 High tech and low tech systems
Centrifugal Pumps For today’s machinery and tomorrow’s demands, Hypro centrifugal pumps lead the industry! Pump capabilities range up to 440 gpm and 190 psi. With the largest selection of models, Hypro allows you to match the right pump to your equipment and task. Use Hypro centrifugal pumps for chemical spraying and transfer applications. The broad, versatile line includes models with rugged housings of cast iron, stainless steel and polypropylene that stand up to strong chemical attack. Stainless steel pumps are ideal for use with Roundup® or other acid applications. Polypropylene pumps are lightweight and provide excellent resistance to corrosive chemicals. Choose from gear, pedestal, , flange, DC clutch, hydraulic motor and belt drives, as well as models that are closed-coupled to gasoline engines. All of the Hypro centrifugal pumps share these quality features: : • Compatible with corrosive, abrasive and general use chemicals • Models with high volume (440 gpm), high pressure (190 psi) capabilities • Nylon, polypropylene, or GTX impellers on most models • Hydraulically-driven models feature high-efficiency, cast-iron hydraulic motor • Hydraulic motor equipped with proprietary double-lip Teflon seals • Life Guard® silicon carbide mechanical seals standard on all stainless steel pumps and available in select cast iron and polypropylene models (See page 53 for details.) • Viton mechanical seals standard on cast iron and polypropylene models • Standard shafts are stainless steel • Stainless steel wear ring for extended life on cast iron models • Hydraulically-driven pumps are max performance tested using proprietary software 15 15 Gear Driven, Cast Iron Series 9000C-O • Planetary oil-bath gear drive • Port sizes: 11⁄2" NPT inlet, 11⁄4" NPT outlet • Max. fluid temperature: 140°F/60°C • Housing: cast iron • Impeller: Nylon • Pump shaft rotation: CCW* • Weight: 44 lbs./20 kg • Pump seals: Viton/ceramic standard; Life Guard® silicon carbide (B) and Buna-N ceramic available Order Information Model Number Max GPM Max PSI Max RPM 9006C-O 117 78 600 9008C-O 110 75 1000 9016C-O 117 78 600 9018C-O 110 75 1000 9028C-O 110 75 1000 90029 110 75 1000 3430-0334 Seal and o-ring repair kit 3430-0591 Life Guard® silicon carbide seal kit Life Guard® silicon carbide seal - Add sufﬁx “B” (i.e.: 9006C-O-B) ...
Fluids/Solids Handling Understand the Basics of Centrifugal Pump Operation By starting from such fundamentals as head and pressure, the authors have developed practical tips for specification and operation that provide for cost-effectiveness and reliability. Kimberly Fernandez, Bernadette Pyzdrowski, Drew W. Schiller and Michael B. Smith, KBR C entrifugal pumps are the most common type of kinetic pump, and are used most often in applications with moderate-to-high flow and low head. As the workhorse of the chemical process industries (CPI), centrifugals are almost always more economical to own, operate and maintain than other types of pumps. Parameters needed in specifying The process engineer is normally responsible for specifying the process requirements of the pump, including the conditions and physical properties of the liquid, and, most importantly, the ﬂowrate, pressure, density and viscosity. The ﬂowrate determines the capacity of the pump, and the head depends on the density and viscosity of the liquid. In general, the required ﬂowrate is determined by the material and energy balances. Design margins, typically between 0–25%, are added to the material-balance ﬂowrate to account for unexpected variations in properties or conditions, or to ensure that the overall plant meets its performance criteria. Also, minimum ﬂow protection is often added as continuous circulation. Occasionally, the required ﬂowrate (including design margins) may fall in the low range of that for centrifugal pumps. In such cases, a minimum-size pump rated for continuous service is speciﬁed, and the extra pump capacity is typically consumed by circulation from the discharge to the source. 52 www.cepmagazine.org May 2002 CEP During speciﬁcation, the maximum pressure a pump will develop during any aspect of operation, including startup, shutdown and upset conditions is determined. The shutoff pressure is the maximum pressure a pump will develop under zero-ﬂow conditions, which reﬂects a fully blocked outlet. Variables to consider when determining the design pressure include: • maximum pressure of the source (e.g., relieving pressure of a vessel) • maximum head developed by the pump (i.e., shutoff head) • maximum static head of the ﬂuid in the pump’s suction line • maximum pump operating speed (for variablespeed drives) • possibility of operator intervention during an upset. The head h is the most commonly used measurement of the energy at any point of the system, or of the system as a whole. It is deﬁned as: h=...
The Top-Flo® name represents the finest in sanitary process equipment. TOP-FLO® pumps have been designed to offer efficient transfer of product over a wide range of head and viscosity conditions. TOP-FLO® pumps are easy to install, clean, and operate. This catalog will answer many of the questions you may have regarding TOP-FLO® pumps. If you require additional information, a representative will be happy to assist you and can be reached at 1-800-458-6095. TOP-FLO® pumps are suitable for use in CIP (clean-in-place) installations. This feature enables easy self-cleaning with no dismantling or take-down. Sanitizing of all product contact areas is automatic. All TOP-FLO® pumps are available in standard inlet sizes and outlet sizes. In addition, enlarged inlet sizes are available for... Motor Data is not included as part of 4-step ordering number. Provide the following information: • Horsepower and RPM TF-C100, TF-C114, TF-C216, TF-C218, TF-C328 • Electrical phase and voltage Note: • TEFC is standard • TF-C Series furnished without legs unless otherwise specified on order. If motor is furnished from another source, supply the following: • Casing Gaskets: BUNA (Standard). If other type is required, specify on order. • Enlarged inlet: When ordering pump with enlarged inlet state inlet size, i.e., TF-C218MD with 3" inlet. 3 port connections • Horsepower • RPM • NEMA frame size M - Clamp (Standard) Remember to order needed accessories: T - Acme Bevel Seat Thread • Seal Kits and Parts S - NPT Female Thread • Gaskets F - Flanged • Clamps W - Weld • Hangers type of seal/standard material: 4 D - External balanced sanitary seal DG - External balanced sanitary seal w/clamped insert E - Water cooled balanced double seal F - External balanced seal w/cascading water • Air Relief Valves • Check Valve • Butterfly Valves • Ball Valves • Fittings 1 TOP-FLO® TF-C Series Centrifugal Pumps seal specifications TYPE D External Balanced Seal (Sanitary) "tf-c" series Model No. TF-C100 TF-C114 TF-C216 TF-C218 TF-C328 Inlet 1-1/2 1-1/2 or 2 2 or 2-1/2 2 or 3 3 or 4 Outlet 1 1-1/2 1-1/2 1-1/2 2 Max. Imp. 3.68 4 6 8 8 pump specifications Pump Casings: • Volute type - Standard • Inlet-oversizing as noted in chart above Pump Connections: sanitary: industrial: • Clamp • Threaded • Bevel Seat (ACME) • Flanged Pump Construction Materials: • All wetted parts - 316 SS • Seals - Carbon (other seals available) • Casing Gasket - BUNA (Standard) • FKM, EPDM, and PTFE are available Pump Finishes: • Polished or Electropolished Pump Seals: • Available in D, DG, E, and F styles Motor, Electrical: • 3 Phase - 230/460 volts - 1750 & 3500 rpm • Single Phase - 115/230 volts - 1750 & 3500 rpm Motor Housings: • TEFC (Totally Enclosed Fan Cooled) • Washdown Duty • Other styles available on request For light duty transfer requirements, see Top Line brochure (TF-C100). 2 This versatile seal has numerous applications but yet is extremely durable. Dairy products, soft vegetables, beverages, and even acid cleaning solutions and detergents are among the recommended uses. type DG External Balanced Seal with Clamped-in Seat (Sanitary) The DG seal uses the standard Type D rotating seal components with a reversible silicon carbide, tungsten carbide or ceramic seat. Typical applications include liquid sugar, beverage syrup, chocolate and abrasive products.
A Message from Ed Peper Beyond Great Products and Innovative Business Solutions… an Exceptional Customer Experience that you can’t get anywhere else! At General Motors, we are committed to providing you with a broad range of Great Products that have outstanding quality, reliability, safety and value. In the 2014 model year, our vehicle offerings get even better, as we are in the middle of one of the biggest product offenses in GM history. We offer you everything from small cars to heavy-duty trucks, and because we are dedicated to the environment, we provide you with a number of propulsion options that will help you reduce emissions while saving money at the same time. We are also committed to providing you with Innovative Business Solutions that allow you to provide your drivers with the features and functions they need to get their work done. This includes the latest features that make your mobile office more functional, and accessories and storage solutions that can organize your cargo. We also work with professional upfitting partners who can match quality truck bodies and equipment with your specific vocational demands. Basically, we have turnkey solutions to any vehicle and utility issues you may have. However, our focus goes beyond the great products and innovative business solutions we provide. Just as important is the Customer Experience we offer, and at GM Fleet & Commercial, you can count on it being Exceptional. We take a full circle approach to serving you. Our Fleet Account Executives help you to determine what products best meet your needs. Our production planning group makes sure your vehicles get built and delivered on time, and our service team ensures you get quick responses to any vehicle issues you might have. We are not just another supplier of vehicles. We are a solid, reliable business partner that offers fleet expertise and responsive service throughout your ownership experience. As you make plans to refresh your vehicle fleet in the 2014 model year, we hope you will consider General Motors. We want to partner with you and help you reach your business and sustainability goals. The bottom line is that we want to help you succeed at what you do, and we measure our success by yours. In other words, “Your Success is Our Success.” Thank you
The all-new 2014 Chevrolet Silverado 1500 and GMC Sierra 1500 arrive first as a crew cab, followed soon by a regular cab and a double cab, which replaces the extended cab of previous years. Early buyers can choose from either a 4.3L V6 engine or a 5.3L V8 engine. A new 6.2L V8 engine will follow later in the year. For the first time, 1500 crew cabs will be available with a longer 6’6” cargo box, in addition to the previous 5’8” cargo box, enabling customers to carry more cargo while still being able to park in many garages. Three all-new EcoTec3 engines will be offered. The EcoTec3 engines feature three state-of-the-art technologies — direct injection, V4 Active Fuel Management (cylinder deactivation) and continuously variable valve timing — to make the most of power, torque and efficiency across a broad range of operating conditions. Full-Size Truck Brake Pipe Kit All kits are pre-formed and pre-flared to aid installation. The brake pipe kits have a nylon coating that provides better All-New 2014 Chevrolet Silverado 1500 and GMC Sierra 1500 Have Arrived. . . . . . 1 Full-Size Truck Brake Pipe Kit . . . . . . . . . . 1 New EcoTec3 Engines ACDelco recently released new hydraulic brake pipe kits for 1999-2007 Chevrolet Silverados and GMC Sierras and 1999-2006 Cadillac Escalade, Chevrolet Tahoe, Chevrolet Suburban, Chevrolet Avalanche and GMC Yukon models. These kits can be used any time the replacement of the entire brake pipe assembly is required. IN THIS ISSUE corrosion protection; and they are a lower-cost alternative to pipe replacement. The kits are not intended for the repair of a single damaged brake pipe. They are intended for the replacement of the entire brake pipe assembly due to c orrosion or wear. Service bulletin 13D-079 GMT800 details the procedures for installing these kits. It includes a part number l isting for each application. continued on page 3...
Electric Fireplaces BUI LT- I N | HD L I N E A R Just plug in one of our electric fireplaces for instant ambience in any room. All of our Built-in and HD Linear models are CSA tested for safety, fit any room style, and are easy to use. They are cool to the touch but will add warmth to any space. Columbia Corner Surround with Arched Rectangle built-in fireplace front shown in Cherry Stain Finish. A division of the Outdoor GreatRoom Company Electric LINEAR Cool to the touch and warm to the eye This hot fireplace feels cool to the touch, yet, puts out heat when you want it. It hangs like a piece of art – easy to install and sets up in minutes. Place it on any interior wall with an electric outlet. Just plug it in and have a beautiful fire instantly. Model GE-58 Select your ideal fire. Fireplace Features Choose from a large range of options – from fire intensity, to backlighting color, to heat range and more! • Ambient backlighting comes standard on all models. • High efficiency LED on fire and backlighting— Uses only 15 watts. • Operating costs as low as a penny per day with flame and backlighting, and 9-18 cents per hour with the heater on. ON/OFF Flame Intensity (4 levels) Heat (750/1500) - 1 light = low - 2 lights = high • 1500/750 watt heater–up to 5,000 BTU’s/hr. Thermostat • Ultra-quiet. Uses silent force technology. Timer (up to 9 hours) Backlighting ON • Full feature remote control. - 13 colors, plus automatic rotation - 3 colors on the GER-36 model • Comes in 6 widths 36”, 50”, 58”, 70”, 78”, & 94”. Model GE-70 Add ambience... Choose up to 13 backlight colors! Customize your High Definition Linear Electric fireplace to fit any space. With six widths and up to 13 backlight color options, this fireplace is sure to please any eye. All linear models are flat, except the GER-36, which has a curved glass front. With the ability to turn the heating element on and off while keeping the flame and backlight on, this fireplace is not only funtional but also a piece of art! Model GE-94 with Red Backlighting Model GE-50 with Soft Orange Backlighting Model GER-36 with Periwinkle Backlighting Model GE-58 with Lavender Backlighting B U I LT- I N Electric Build your dream fireplace! Step 1. Choose your Fire Box Size 2 sizes to fit any room space. Choose a 34” or 41” wide fire box. Add a stylish fireplace front and surround to complete the look. Step 1. Choose your size Step 2. Choose your front Step 3. Choose your custom surround Gives off real heat! Realistic-looking embers and logs. GBI-34 and GBI-41 Step 2. Choose your Front Style Whatever your style, we have a front for you. Each front style comes in 2 sizes: 34” or 41” wide. A custom mantel or cabinet will finish off any of these great looks. Louver Front in Matte Black Finish. Two sizes: LF-34 and LF-41 Arch Rectangular Front in Matte Black Finish with hammered silver decorative fixed doors. Two sizes: ARF-34 and ARF-41 Full Arch Front in Matte Black Finish with decorative Gold Emblem. Two sizes: FAF-34 and FAF-41 Step 3. Choose your Custom Surround Gallery Built-In Fireplace Features Finish off your fireplace with either the Rio Grande Cabinet or with the Columbia Corner Cabinet. Both come standard in Cherry-Stained finish with unfinished options available for you to customize to your taste! Rio Grande has optional book case (shown below) and Columbia Corner has optional TV stand (not shown). • Choice of decorative fireplace fronts • Bottom riser included for additional value! • Operating costs as low as a penny per day with flame and backlighting, and 9-18 cents per hour with the heater on. • Realistic-looking fire and coals • High efficiency LED on fire and back lighting— Uses only 15 watts. • 1500 watt heater • Full feature remote control • Ultra quiet 2 speed heater fan • High impact tempered glass front • Operates on standard 110 volt plug-in • 9 different timer settings Remote Control Features Rio Grande Cabinet in Cherry-Stained Finish. Also available unfinished. Shown with optional Book case. Built with GBI-34, FAF-34, RIO-34-K, & RIO-34-BOOK CASE Columbia Corner Cabinet shown unfinished. Also available in Cherry-Stained Finish. Optional corner TV stand not shown. Built with GBI-34, LF-34, & COLUMBIA CORNER CAB - realistic-looking flame - ambient backlighting - fan for heat - thermostat - timer specifications Gallery Built-In Fireplace Specifications MODEL HEIGHT WIDTH DEPTH WATTAGE GBI-34 26 1/4” 33 1/2” 11 1/4” 750/1500 GBI-41 31 3/8” 40 3/8” 11 1/4” 750/1500 LF-34 29 3/4” 33 7/8” 1” NA LF-41 34 13/16” 40 3/4” 1” NA FAF-34 29 3/4” 33 7/8” 1” NA FAF-41 34 13/16” 40 3/4” 1” NA ARF-34 29 3/4” 33 7/8” 1” NA ARF-41 34 13/16” 40 3/4” 1” NA COL-COR-RIS-K 45 1/4” 51” 31” NA COLUMBIA CORNER TV 4 3/4” 39” 16 1/2” NA RIO-34-K / RIO-41-K 44 1/2” / 49” 51” / 58” 16” / 16” NA RIO-34-BOOK CASE / RIO-41-BOOK CASE 32 3/4” / 32 3/4” 48 1/4” / 54 1/4” 15” / 15” NA Dimensions above are in inches. Reference dimensions only. We recommend measuring individual units at installation. Refer to installation manual for detailed specifications on installing this product. Printing color may vary slightly from actual product. Gallery HD Linear Fireplace Specifications MODEL HEIGHT WIDTH DEPTH MOUNTING AREA VIEWING SIZE WATTAGE GE-94 26 2/5” 93 7/10” 6” 67”w x 13 3/4”h 75"w x 12"h 1500 GE-78 26 2/5” 78” 6” 63”w x 14.5”h 59 1/10”w x 12”h 1500 GE-70 26 2/5” 70” 6” 50 7/8”w x 13 3/4”h 51 1/5"w x 12"h 1500 GE-58 26 2/5” 58 3/10” 6” 34 3/8”w x 14 3/4”h 39 2/5"w x 12"h 1500 GE-5O 26 2/5” 50 2/5” 6” 34 3/8”w x 14 3/4”h 31 1/2"w x 12"h 1500 GER-36* 24 1/2” 35 4/5” 6 3/5” 17 3/8”w x 17 7/8”h 20 3/10"w x 12"h 1500 Model GE-94 Model GE-70 Model GE-78 Model GE-58 Model GE-50 Model GER-36 * GER-36 comes standard with a curved glass front and 3 backlight colors. 2015 Silver Bell Road • Suite 195 • Eagan, MN 55122 Toll Free: 1-866-303-4028 • Sales@GreatCo.com GreatCo.com CSA tested and approved. A division of the Outdoor GreatRoom Company