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June, 2010:

Scope screw pumps

Jun 30th, 2010
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The range of pumps is very high on whazzup some examples of their application:

* Dosage of chemicals (organic solvents, alcohols, ammonia, polymers
* Slurry, shear sensitive emulsions
* The transfer of toxic liquids, concentrated acids and bases
* The transfer of petroleum products, oils and greases
* Slurry, shear sensitive emulsions
* Slurry, shear sensitive emulsions

Worn screw pump defined by the quality and type of dry powder, long sleeves mortar, consistency supplied solution and operating conditions. On average, the replacement of the screw pump is made after the preparation of the solution of 20 tonnes of dry mix.

Turbomolecular pumps

Jun 30th, 2010
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Effects of turbomolecular vacuum pump based on the message of gas molecules pumped more speed in the direction of motion of rotating the rotor. The rotor consists of a system drive.

There are two possible locations of the shaft: horizontal and vertical. The apparent advantage of pumps with vertical shaft – maximum compactness and ease thanks to the natural location of the first lattice – rotary disc directly from the input connector flange, and the engine – inside the hollow rotor. At the same time pump with horizontal shaft has better maintainability, since the bearings are subject to wear it easily accessible and can be easily replaced without disassembling the pump.

The most sophisticated, accurate and expensive unit – the rotor – needs careful dynamic balancing. The accuracy depends on the mass balance of the rotor and is inversely proportional to the square of the operating frequency of its rotation. Lack of balancing the rotor leads to a dangerous vacuum devices for vibration, loads on the bearings and the early exit from the pump system.

No less important nodes are supporting device. The requirement of continuous operation at high speeds on the deployment of bearings in a vacuum is feasible only if the application of bearings of the highest precision and rapidity. Particular difficulties is the selection of radial thrust bearings. However, one of accuracy and ease of bearing is not enough. Due to the addition to the original unbalance imperfect rigidity of parts, the natural frequency of vibration of the shaft and blades, asymmetry of the electromagnetic field of the engine, clearances or wear in bearings is necessary selection of the characteristics of elastic clips, which are installed in the bearings. Clips are used in the form of thin-walled spring of split sleeves.

Deposition of liquid wallpaper

Jun 30th, 2010
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Liquid oboi on the market today are several types of liquid wallpaper, which differ in thickness and structure of the finished layer of fibers. The layers that form on the liquid wall surfaces can be a thickness of 2 to 5 mm. Due to its porous structure, liquid wallpaper have soundproofing and retain heat well.

Tools required for applying liquid wallpaper on the wall:
• Spacious tank mixture;
• Pistol-hopper, through which you can quickly and evenly on the surface of the mixture, or spray, pressure 0,4 – 0,5 MPa. Trowel or roller;
• For wallpaper image will require a special roller-rolling;
• Clear protective lacquer for a finish coat.

Deposition of liquid wallpaper:

1. Before applying liquid wallpaper prepare the surface. To do this, use an oil fillers and alkyd primer. Doors, trim, plastic windows kbe, vinhaus or centuries to seal a special protective film to prevent them being damaged during operation.

2. Prepare a solution. This dry mixture is diluted with warm water and wallpapers. If necessary, add colorant and mix thoroughly. Then give the brew a solution within 15 minutes.

3. With a special gun, spray, or simply a hand on the wall causing a small amount of the solution and roll it roll in different directions. Very gently distribute the mixture on the slopes, which are framed doors, plastic windows veka, trocal or conventional wood. It should be controlled to among the rolled sections were not formed of convexity and emptiness.

4. If any place wallpaper lay unevenly, surface soaked with water and carefully remove the cover from the wall, then the solution is applied repeatedly. The procedure can be repeated no more than three times, otherwise you can wash off adhesive composition.

5. With a special roll-on liquid knurling wallpaper can create unique designs.

6. Depending on the temperature and humidity, liquid wallpaper dries from 12 hours to 3 days. After the final drying on the surface causing 1 – 2 coats of protective varnish colorless.

Courting walls covered with liquid wallpaper, is easy: it suffices to periodically clean the dust from the surfaces with a vacuum cleaner. Do not rinse with water pollution, if the top wallpaper no protective varnish layer.

Nominal pressure of PEX fitting

Jun 29th, 2010
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Nominal pressure is the only parameter PEX fitting, which ensures its durability and accounted for as operating pressure and operating temperature. Nominal pressure corresponds to the allowable working pressure of the product at normal temperatures. With increasing temperature, the mechanical properties of structural materials deteriorate. Therefore, for valves with a high operating temperature allowable working pressure is lower than conventional. This reduction depends on the material details of fixtures and the temperature dependence of the strength properties of the material. The higher operating temperature, the lower the maximum operating pressure at the same relative pressure.

To make the overall clarity in the operational and design features of the use of Taco heating valves is proposed to be classified by the following parameters:

1. by the method of the overlap of the flow;
2. on the application;
3. depending on operating environment and its parameters;
4. the material base parts;
5. by the method of administration;
6. by functional purpose;
7. by the method of accession to the pipeline;
8. largest diameter of the port area;
9. largest conditional pressure.

Taco heating valves

Jun 28th, 2010
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By way of the overlap of the flow valves divided into the following types:

* Taco Mixing Valve – the bolt in the form of a disk, plate or wedge, makes reciprocating motion along its plane perpendicular to the axis of flow (Fig. 1). The principal feature of gate valves is that when they are closing the locking element does not overcome the efforts of the pressure medium, as it moves across the flow. In the gate valve when closing is necessary to overcome friction only. Therefore, valves may be used for the largest passageways and working pressures.
* Taco iSeries 3-Way Mixing Valve – butterfly valve in the form of a plate or shell performs reciprocating motion parallel to the axis of flow in the saddle valve body (Fig. 2).
* Taco Zone Valve – the valve, in which the bolt is moved by a screw pair and operated manually. The main advantage of valves – the absence of friction sealing surfaces, so the valves are used in the most critical high pressure pipelines.
* Taco Electronic Ball Valve – ball electronic shaped body of revolution (or part thereof), rotates around its axis perpendicular to the axis of flow (Fig. 3);
* Taco Boiler Feed Valve – shutter-shaped disk, rotated in a plane parallel to the gate or it (Fig. 4);
* Taco 3-Way Zone Valve – butterfly valve in the form of an elastic membrane, moved along the axis of the flow in the saddle valve (Fig. 5). Diaphragm valves are particularly well suited to work in hostile environments, because they do not have the seal and movable metal parts are separated from the working environment diaphragm .
* Taco Geothermal Valve – ceiling flow rate through the pinches elastic (rubber) hose, inside of which is transportable operating environment (Fig. 6). The main advantages of Cartridge Pressure Reducing Valve: design simplicity, efficiency in the sludges and pulps (where most other types of valves is broken), resistance to corrosion and abrasion.

“Drink your way to better health with a Water Ionizer”

Jun 28th, 2010
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Do you want to look and feel younger?
Do you want to lose weight or detoxify your body?
Do you have digestive problems or suffer from chronic sickness?

If you answer yes to any of these questions, you must read this article.

Our bodies are made up of 70% water; it is an essential nutrient for our body. Water is needed for virtually all body processes, from digestion to elimination. Water is involved in metabolism, circulation and detoxification. Your body needs water.

Taco mixing valves

Jun 27th, 2010
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By their functional fittings divided into the following classes:

* Taco WAGS Valve designed for complete coverage of the flow in the pipeline;
* Differential Bypass Valves – to regulate the flow of the working environment in order to regulate the relevant process parameters (temperature, pressure, composition of materials involved in the process);
* Distribution and Taco mixing valves used for the distribution of flow in certain directions;
* Backflow Preventers – to protect the serviced sites from excessive pressure increase through the issue of excess eration if the working environment;
* Taco Flo-Check Valve designed to protect the equipment from accidental changes in the parameters of the working environment. In contrast to the protective, safety valves in case of emergency conditions is closed and disables serviced land than protects it from harmful influences;
* Check Valves and PEX fittings designed for automatic separation of environments depending on their phase and state.

PEX pipe Uponor Wirsbo

Jun 26th, 2010
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PEX manufactured by Uponor Wirsbo in powder form, exposed to deformation to obtain the required grain size. It then weighed on electronic scales and mixed with additives in a mixer using a complex method.

The mixture is placed in a 440-pound (200 kg) vessel. After marking in accordance with the type of pipe, which will be made from this mixture, it is placed in storage for several days.

Finally, the weight is transferred from the vessels into the extruder. 440 pounds (200 kg) of powder is sufficient to produce about 5,000 feet (1,500 m) 3/4-dyuymovyh (20 mm) PEX pipe Uponor Wirsbo-PEX with a wall thickness of 3 / 32 inch (2 mm).

PEX pipe is shaped by extrusion, which holds the raw material in powder form at one end, and, applying heat and high pressure, displaces the tube from the ring-shaped holes on the other end.

During the formation of the pipe occurs and crosslinks. Now it should be noted an important difference between the PEX pipe Uponor Wirsbo-PEX and other PEX pipe made of crosslinked polymers. Crosslinks takes place until the material is in an amorphous state, ie, at a temperature which exceeds the melting of crystals. As a result, eliminated all the crystalline zone, which may have a negative effect on the process of cross stitching. Matching takes place smoothly and without interference.

PEX Tubing selection

Jun 25th, 2010
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With the selection of an amorphous material from the molding machine, it becomes almost transparent. While in this state, it is treated control equipment, which uses an electric field for the continuous analysis of the finished pipe. This equipment is used field strength of 12,000 volts for every 1 / 16 inch (7500 volts per millimeter) wall thickness. Any breach in the electric field, which may arise as a result of variations in wall thickness or penetration of air or dirt, immediately gives a signal of alarm. In addition to control wall thickness and homogeneity, this time remove all gaseous remnants of the material.

Calibration apparatus and a bath with cold water is used after the control equipment. This is where PEX tubing material crystallizes and takes its characteristic milky-white color. Immediately thereafter the PEX tubing applied detailed data, cut the required length, and the tubing rolled into the bay, ready for shipment.

The magazine made a record of each bay, which specify the date, time, responsible operator and other such information. The journal also recorded data such as type of material used at any given time, and any changes in the extrusion die.

Laboratory Uponor Wirsbo takes a sample from each bay, and then exposes them to all the existing tests and inspections. Uponor Wirsbo has set the standard tolerances for internal and external diameters and wall thickness tolerances below those allowed for PEX pipe. If the deviation is 0.0008 inches (0.02 mm) from established tolerances for any of the three measurements, it is believed that the entire bay has not passed the test. Then it is cut into pieces.

Such a “formality” has serious practical purpose. If the person who installed the PEX tubing Uponor Wirsbo, should work as quickly as required by Uponor Wirsbo, PEX fittings shall immediately set correctly.

Determine the number of radiator sections

Jun 25th, 2010
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To calculate the required number of sections in the batteries or radiators need to know the heat transfer from one section in watts and divide it by a factor of 100. The result is the number of square meters, which is able to heat this section. Knowing the area of the premises (with an average ceiling height – no more than 2,7 m) is not difficult to calculate the required number of sections. For example, if one section heats an area of approximately 2 m ² (199 Tues divided by 100), then for a room of 16 m ², eight sections. In the event that the room corner or the room has a balcony, the number of sections increases by 2 – 3. It should be borne in mind that on average 10% less heat makes the radiator, placed in a deep niche under the sill. Decorative boxes, which often close the battery, selects 15-20% of heat. Reduce heat transfer from heating appliances and pipes each subsequent layer of paint.

What to do with PEX tubing?

Jun 24th, 2010
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Today, it is difficult to imagine a device without the use of PVC plumbing fittings and pipe, which literally swept the domestic market, as well as Used in Different Agricultural Technology. Increasingly, the replacement of old cast iron systems giving way to the PVC and polymeric materials. And in many ways this situation is justified, since their installation easier, and less chance of breakage.

But even without this PEX tubing is present lots of advantages:
- Low cost compared with steel and cast iron counterparts.
- Long service life, which starts from 50 years and more, while the life of Copper pipes is only 10-20 years.
- Resistance to corrosion and lack of contamination by iron impurities.
- Low heat dissipation that is best suited for installation of radiant heating systems.
- A small mass, which is much easier process equipment, plus everything is no need to buy a tractor for transporting.

According to the companies involved in the delivery of such products, PEX tubing are perfectly safe for consumers’ health, as was proven by “numerous studies of the Ministry of Health.

About Solar Heating (Solar Thermal)

Jun 24th, 2010
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A new day has dawned. Have you seen the light? Solar heating is the sleeping giant of renewable energy. Per dollar installed, it produces two to three times more energy than solar electric (PV) and is just as clean. With current incentives, systems designed to last decades essentially pay for themselves from day one. Once purchased, all the energy produced is yours – free and clear. Join us in our mission to mainstream the clean energy revolution. After all, the best things in life really are free.

What is Solar Thermal (Solar Water Heating)?
How Does Solar Thermal Work?
What are the Different Applications of Solar Hot Water?
What Type of System is Right for Me?
Why Should I Invest in Solar Thermal?
How Can Novan Meet my Hot Water and Space Heating Needs?
What About Third-Party Arrangements?
Why Should I Choose Novan?

What is Solar Thermal (Solar Water Heating or SWH)

  • Solar thermal is heat from sunlight
  • A solar thermal system is an appliance that converts sunshine into usable heat
  • Applications include hot water for domestic use, space heating, pools, spas, and high temperature industrial and commercial applications
  • Energy from the sun is free, perfectly clean, and the most abundant source of energy on Earth
  • Solar thermal is the most efficient use of the sun’s energy
  • Compared to PV (photovoltaics), solar water heating produces 2 to 3 times the energy per dollar invested

How Does Solar Water Heating Work?

  • The workhorse of a solar thermal system is the solar thermal panel (collector)
  • A solar collector captures the energy of the sun as heat in a circulating fluid within the panel itself
  • This heat is then transferred to a tank or “heat reservoir” where it is stored and used for any hot water application
  • Typical systems reduce the amount of energy needed to heat water by two-thirds

What Are the Different Applications of Solar Hot Water?

Residential, Commercial, and Industrial Applications and Customers Include:

  • Domestic hot water heating
  • Pools and spas
  • Radiant floor heating
  • Recreation centers
  • Health clubs
  • Laundromats
  • Hospitals
  • Nursing homes
  • Breweries
  • Food and beverage processing
  • Cosmetic manufacturers
  • Health and beauty product manufacturing
  • Chemical manufacturers
  • Car washes
  • Apartment and condominium complexes
  • Dairy processing
  • Waste processing
  • Industrial hot water applications
  • Industrial hot fluids applications

If you are a business that heats a lot of water for recreational or industrial applications, the combination of tax incentives and an accelerated depreciation schedule can pay for your system in less than five years. Solar hot water will give you a competitive edge now, and for decades to come.

What Type of System is Right for Me?

There are many types of solar systems available for any size project. Our experienced sales force will work with you and our in-house engineering staff to tailor-design a system that fits your specific energy needs:

Commercial clients
Industrial clients
Homeowners

Why Should I Invest in Solar Thermal?

The Simple Reason is the Peace of Mind That Comes from Bing Solar Savvy

Economic:

  • A typical system reduces the cost of conventional energy used to heat water for any application by two-thirds
  • Hot water usage is the second largest energy consumer in American households averaging 15- 30 gallons per person per day (Arizona Solar Center)
  • Solar water heating produces 2 to 3 times the amount of energy per dollar than PV (photovoltaics)

Environmental:

  • Solar hot water (SWH) systems are absolutely pollution free
  • Climate change and degradation means the days of cheap, carefree energy are over.
  • Solar energy is 100% emission-free, silent, and one of the best things you can do to reduce your carbon footprint right now
  • Solar thermal is an investment your children and grandchildren will thank you for

National Security:

The use of solar thermal will reduce our dependence on foreign sources of natural gas and oil by using energy produced close to home
Solar thermal will help protect our national heritage by reducing greenhouse gas emissions and limiting the effect of climate change on our own natural wonders

How Can Novan Meet my Hot Water and Space Heating Needs?

We use collectors manufactured by SunEarth for our flat plate thermal applications. Novan is the distributor in the Colorado region for these highly efficient, SRCC-certified collectors.

  • Our in-house engineering and installation staff provides a single source capability for solar thermal (SWH) systems
  • Our standard and custom hot water storage tanks range in size from 80 to more than 5,000 gallons
  • Pre-fabrication of many system components in our manufacturing facility helps to control project costs

NovaMax Solar Storage Tanks: We build standard and custom hot water storage tanks in sizes from 80 to more than 5,000 gallons and this together with the pre-fabrication of many system components in our manufacturing facility helps to control project costs.

What About Third-Party Arrangements?

  • For large installations (100+ panels), a third-party energy provider finances the cost of the installation of your or solar thermal (SHW) system on your property at zero cost to you
  • The third-party then sells you the electricity or heat produced from the system at a fixed rate for a period of time agreed upon by both parties (usually 10 to 15 years)
  • At the end of your contract, you will have the option to renew or purchase the system at a nominal cost and enjoy free electricity or heat for decades to come

Why Should I Choose Novan?

At Novan, Customer Service Comes First

  • From design to build, Novan has the experience you can count on for any size system
  • Our in-house engineering and installation staff provides a single source capability for all of your solar power needs
  • Novan is the Southwest’s oldest, largest, and most trusted provider of solar energy – we’ve been in the business since 1983
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