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greenhouse vegetables Hydroponic Tomatoes Maximizing yields from hydroponic tomato crops has long been the main objective of commercial growers. However, there’s growing consumer pressure to produce high-quality, great-tasting fruit that stores and handles well in the retail sector. By Lynette Morgan T Top: Properly grown hydroponic tomatoes are often ﬁt to be framed; Bottom: This single-truss crop is being grown on greenhouse benches in NFT. (Photos courtesy of Lynette Morgan) Hydroponic Resource Are you looking to grow more greenhouse vegetables or growing hydroponically? GPN will bring you a few articles a year, but if you want in-depth information year-round, research such as this can be found in The Growing Edge magazine. It is a great resource for hydroponic growers. Visit www.growingedge.com or call (800) 888-6785 for subscription and other information. 78 GPN October 2003 omatoes, the biggest hydroponically produced crop on a worldwide scale, are complex in their physiology and response to crop management techniques since vegetative growth, ﬂowering and fruiting all need to be continually maintained simultaneously on the plant. Obtaining economic yields of highquality fruit while minimizing the use of pesticides and other agrichemicals has put commercial tomato growers under increasing pressure, and many are now looking to modiﬁed hydroponic systems where higher proﬁts are possible. Many of these new tomato-growing techniques involve the production of “spray-free” crops and using organically based systems. Today’s selection includes a wide range of new, fresh tomato products, such as lowacid fruit; on-the-truss, cluster or vine-ripened fruit; and many new....
Barb’s Harley-Davidson started out in 1986 with only 7 employees. With a lot of hard work and dedication, Barb has grown it in to a company with over 50 employees. Barb’s has a complete service department with over 10 full-time factory trained technicians and one can be sure to be greeted in their pressure free environment. Visit: http://www.barbshd.com.
INSTRUCTION MANUAL ANGLE GRINDER MODEL: D28108-XE, D28127-XE, D28128-XE, D28154-XE SAFETY INSTRUCTIONS When using power tools, always observe the safety regulations applicable in your country to reduce the risk of fire, electric shock and personal injury. Read the following safety instructions before attempting to operate this product. Keep these instructions in a safe place. General 1. Keep work area clean. Cluttered areas and benches can cause accidents. 2. Consider work area environment. Do not expose power tools to high humidity or rain. Keep work area well lit. Do not use power tools in the presence of flammable liquids or gases. 3. Guard against electric shock. Prevent body contact with earthed surfaces (e.g. pipes, radiators, cookers and refrigerators). 4. Keep children away. Do not let children come into contact with the tool or extension cord. Keep all people away from the work area. 5. Extension cords for outdoor use. When the tool is used outdoors, always use extension cords intended for outdoor use and marked accordingly. 6. Store idle tools. When not in use, power tools must be stored in a dry place and locked up securely, out of the reach of children. 7. Dress properly. Do not wear loose clothing or jewellery. They can be caught in moving parts. Preferably wear rubber gloves and non-slip footwear when working outdoors. Wear protective hair covering to keep long hair out of the way. 8. Wear safety goggles. Also use a face or dust mask in case the operations produce dust or flying particles. 9. Be aware of maximum sound pressure. Take appropriate measures for the protection of hearing if the sound pressure of 85dB(A) is exceeded. 10. Secure workpiece. Use clamps or a vice to hold the workpiece. It is safer and it frees both hands to operate the tool. 11. Do not overreach. Keep proper footing and balance at all times. 12. Avoid unintentional starting. Do not carry the plugged-in tool with a finger on the switch. Be sure that the switch is released when plugging in. 13. Stay alert. Watch what you are doing. Use common sense. Do not operate the tool when you are tired.
Limited Edition Wireless Dolby ® Surround Sound Gaming Headset WIRELESS For: Xbox 360® I PS3™ I Mobile User Guide Congratulations on your purchase of the Call of Duty® Ghosts Ear Force® Phantom from Turtle Beach. You now have in your possession a premium product that will bring your gaming experience to a whole new level, heightening your senses, sharpening your reflexes and enhancing your communications. Welcome to excellence! download game optimized presets http://www.tURtlebeach.com/presets Customize your own presets using tools available on our website. Table of Contents Package Contents 4 Feature/Function Map (Location of controls/inputs) 5 Setting Up (Connections etc.) 7 Xbox 360 E + HD Audio Converter 8 Pairing Instructions 9 Xbox 360 Chat Setup 10 Xbox 360 System Settings Configuration 11 Playstation 3 Chat Setup 12 Playstation 3 System Settings Configuration 13 Surround Sound Settings 14 Bluetooth® Settings 15 Phone Settings 16 Recharging 17 Presets and Modes 18 Presets/Specifications 20 Mobile Device Cable 21 Regulatory Compliance 22 Declaration of Conformity 24 European Community Declaration of Conformity 25 Warranty 26 Package Contents Ear Force® Phantom Headset with Detachable Microphone RF Transmitter Headset Charging Cable Digital Optical Cable Presets Reference Xbox Bluetooth Adapter Mobile Device Cable (XBA) Quick Start Guide USB Transmitter Power Cable USB Data Cable Turtle Beach Sticker 4 Feature/Function Map (Location of controls/inputs) Headset 1. Mode 2. Power/Pair
DuPont™ Vespel® CR-6100 APPLICATION AND INSTALLATION GUIDE FOR CENTRIFUGAL PUMP STATIONARY WEAR PARTS Fluid processing industries have embraced the use of composite materials in pumps to reduce vibration, increase mechanical seal life and MTBR (mean time between repair), reduce the risk of seizure, increase efficiency, and reduce repair costs. API 610, 10th Edition (ISO standard 13709), the latest centrifugal pump standard from the American Petroleum Institute (API), recognizes the use of composites to achieve these benefits. The function of wear rings Wear rings are installed with close radial clearances and separate rotating and stationary, higher and lower-pressure sections of a pump. When shaft deflection occurs due to off-design operation, Background wear rings can experience contact. Historically, wear rings have The CR-6100 grade of DuPont Vespel parts and shapes is a been made from metal, which can gall and seize the pump composite material consisting of carbon fibers held in a Teflon® under contacting or run-dry conditions, resulting in abrupt, high- fluorocarbon resin matrix (PFA/CF Reinforced Composite, energy pump failure. With metal wear rings, design clearance 20 wt% random x-y oriented carbon-fiber). Vespel® CR-6100 has is increased to prevent failure, which has a negative effect on been installed in thousands of pumps in refineries, chemical efficiency, suction conditions, and overall pump vibration. Vespel® plants, power plants, and other fluid processing facilities since CR-6100 can be installed with reduced clearances, without 1996. It has replaced metal and other composite materials used increasing the risk of seizure while improving pump performance.
Pumps Factsheet D AY I N. D AY O U T.™ 2- to 15-HP Straight Centrifugal Pumps Continuous-duty pumps have a close-coupled design and enclosed impeller, for dependable, highvolume service. 4-position discharge ports rotate in 90° increments, with vent and easy-access drain plugs for all positions. Type 21 mechanical seal and O-ring casing seal. Replaceable case wear ring prevents casing wear. Max. case inlet pressure: 100 psi. 4ZA35 2 HP straight centrifugal pump constructed of cast iron with a bronze impeller. Dayton products are available at Grainger. There are many ways to get the Dayton products you need — phone, fax, online at grainger.com/dayton or stop by your local Grainger® branch. A Tradition of Performance, Reliability and Value. 2- to 15-HP Straight Centrifugal Pumps Uses: For liquid and chemical transfer, heating and cooling, recirculation, booster service, and other industrial and agricultural applications. • 3450 RPM motor with TEFC enclosure • Cast Iron and Naval Bronze pumps have Buna • Single-phase motors have stainless steel shafts NOTE: Pumps are not self-priming. For use only with nonflammable materials compatible with pump materials. N seals; stainless steel pumps have Viton seals and O-rings CAST-IRON HOUSING, BRONZE IMPELLER, 40° TO 180° F NPT PORT SIZE (IN.) HP PHASE ...
When to use a Positive Displacement Pump When to use a centrifugal or a Positive Displacement pump (“PD Pump”) is not always a clear choice. To make a good choice between these pump types it is important to understand that these two types of pumps behave very differently. Performance Flow rate versus pressure 250 Head Feet By looking at the performance chart to the right you can see just how different these pumps are. The centrifugal has varying flow depending on pressure or head, whereas the PD pump has more or less constant flow regardless of pressure. 200 150 Positive 100 Centrifugal 50 0 0 50 100 150 Capacity GPM Flow rate versus viscosity Percent Another major difference between the pump types is the effect viscosity has on the capacity of the pump. You will notice in the flow rate chart how the centrifugal pump Flow Rate loses flow as the viscosity goes up but the PD pump’s flow actually increases. This is because 100% the higher viscosity liquids fill the clearances of 90% the pump causing a higher volumetric 80% efficiency. Remember, this chart shows only the Positive 70% effect of viscosity on the pump flow; when there Centrifugal 60% is a viscosity change there is also greater line 50% loss in the system. This means you will also 40% have to calculate the change in pump flow from 0 100 200 300 400 500 the first chart for this pressure change. Viscosity cSt...
The Intuitive Centrifugal Pump Fast System Integration CP5 easily installs for immediate integration with the Sorin Group S5™ or C5® heart-lung machines. CP5 Main Features The Sorin Group CP5 is an all-in-one centrifugal pump with unique functions that combine maximum perfusion programming flexibility with safety: • Automatic ramp down and ramp up functionality may be individually selected for the following controls: –– Bubble –– Level –– Inlet Pressure –– Outlet Pressure –– Air Purge Control • Remote control of the Electronic Remote Controlled Arterial Clamp (ERC®) • Inlet pressure measurement or calculation • Outlet pressure management • Automatic controlled flow mode • Pulsatile flow mode The programmed functions, allocation of the sensors and accessories and all relevant numeric values (e.g. flow rate) and information are displayed on the control panel with icons and digital data fields. Connect the Drive Unit to the Control Panel… Intuitive Programming, Clear Perfusion Overview The touch screen gives a clear overview of the centrifugal pump activity, including allocated safety devices, alarm status and digital information read out for flow, RPM’s and pressures. Programming of the diverse CP5 parameters is as simple and intuitive as in the S5 and C5 Heart-Lung Machines.
VentilationUSA LLC designs solutions for industrial ventilation issues including air make-up systems, air to air heat exchangers, heat recovery systems, destratification fans, air filtration, air de-stratification, air rotation, dust collection, industrial ventilation systems, shop ventilation, shop ventilation systems and includes complete installation. Some applications are the removal of welding smoke, humidity, diesel smoke, carbon monoxide, air filtration, smoke, haze, negative air pressure, stale air, ammonia NH3 & other fumes without losing heat.