Monday, November 16, 2009

Tire Changers: Buyers Tips



Tire changers are equipments which help mechanics, tire technicians and even you, to mount and dismount tires of vehicles easily. After the wheel is successfully removed, the tire changer has all the necessary apparatus to detach and replace the tire from the wheel. Different tire changers are appropriate for different automobiles, like motorcycles, SUVs, heavy-duty trucks, etc.


One of the most frequently asked questions about tire changers is:

“How to choose an ideal tire changer?”


Here are a few tips:


  • Choose the right option and size

There are various types and size of tire changers to suit your usability. Choose the right option from foot pedals, mount/demount mechanism, air pressure system, table top & rim clamps, etc suitable to your preferable technique and size of vehicle.


  • User friendliness

Tire changers are not usually complicated but make sure they are personally comfortable to use. Study and enquire about the utility of the product before purchasing it.


  • After sales services

Most of the manufacturers provide some warranty on the entire range of tire changers. Make sure you understand all the details and fill the required forms to avail the warranty. This could enable after sales services of the equipment whenever required.


These are general tips which could help you, especially if you aren’t certain about where the best tire changers come from.


You visit your local hardware store to purchase toolboxes but we suggest you purchase tire repair products from a reliable online distributor.


Wouldn’t it be convenient if you get all the essential garage products from one source?


Call us if you have any questions.

We would love to help you.

Air Receivers Information & Maintenance Tips

Air receivers, also known as compressed air receivers, are basically vessels which are made for compressed-air installations that are used to compress air and permitting equalizing pressure in the system.


Air receivers are essential inputs in all air systems, thus understanding their utility and other characteristics could prove helpful. Here are a few purposes to have an air receiver:


• Air receivers store compressed air.


• Accumulates and captures the moisture in the air and let the contamination settle down before it is released into the piping.


Stabilizes pressure: Air receivers prevents short-cycle loading and unloading of compressors. A receiver stores and delivers demands of compressors, which is sufficient on a short-term period. A pressure change of 1 atmosphere, which is less than 15 psi, holds a free air volume equivalent to that of the receiver.


Compressor controlling: Large air receivers have ample volume to deduct and slow down pressure changes, in return to irregular use of compressed air. Air receivers smoothly control output without recurrent ranging through their full control span.


Separation: An air receiver, by reducing the flow in velocity, encourages finely divided particles of liquid lubricant or condensate to drop out of the air stream. Separated liquids drain from the receiver rather than traveling with the compressed air or gas to yield adverse downstream effects.


The correct selection of receiver tanks is based not only on the capacity or size of the compressor but also on the shop or house load cycle.


So, after purchasing air receivers, what are the safety and maintenance requirements?

Firstly, the allowable working pressures of air receivers should never be exceeded its maximum level, except when it is being tested. Tanks which are hydro-statically tested and approved must be used as air receivers.

  1. Air receivers should be ready with inspection openings.
  2. Tanks of 36+ inches in diameter must have a manhole.
  3. No air receiver should be altered or inspected by unauthorized persons.
  4. Air receivers should have a drain cock at the bottom
  5. If your air receiver doesn’t have an automatic drain system, make sure you drain it frequently to avoid accumulation of liquid inside.


Hoping these tips help you in your experience with choosing, installing and maintaining air receivers.



Sunday, September 6, 2009

Industrial Pressure Washers – Types & Benefits

Industrial pressure washers are machine that are designed to provide efficient cleaning solutions. These machines are used to tackle tough cleaning jobs. The high pressure levels are perfect to clean the stubborn deposits which are old or some different mixtures of debris.


Dirt deposits always tend to harm industrial equipment. Apart from that, it can be even harm health of workers. Industrial places have more grime & dirt & sometimes they tend to solidify, making them hard to clean. Even strong chemicals can’t remove deposit fully.


In these tough conditions, pressure washers come in handy. There are 3 types of industrial pressure washers, Steam professional, Cold water professional & Hot water professional. All these pumps are with ceramic plungers with brass head forged with anti corrosion. All motors are thermal protected.


In these pressure washers, water is made to come out from a hose in a strong stream because these engine pumps are electric or gasoline powered. These pumps help build pressure by compressing water. Hoses have trigger option which helps to adjust the flow of water. Gasoline pressure washers are more powerful than electric powered washers. Pressure Washers with higher PSI & GPM means greater pressure & more power. These machines have various features like rotating nozzles to cover larger area, rotating brushes, detergent attachment, etc.


There are also lower pressure level pressure washers with low flow rate for lighter cleaning jobs. Cold water washer’s don’t require degreasing & are less expensive as they don’t have a heating component. All 3 kinds of pressure washers features are also available in one unit to suit your cleaning needs.


Werther has come up with all these industrial pressure washers. Aquastar 120H - Hot (Steam) Professional, Aquastar 120C – Cold Water Professional, Aquastar 110H – Hot Water Semi-Professional. Browse our collection & select your Industrial Pressure Washers to meet your industrial demand.

Tuesday, August 25, 2009

Compressed Air Glossary: T to Z

Two Stage Compressors: A compressor having two chambers & one air discharge.


Temperature, Discharge: The total temperature at the discharge flange of the com­pressor.


Thermal Compressor: An ejector used to compressor waste or any gas through moderate compression above atmospheric pressure.


Tilting Pad: A type of journal bearing in centrifugal air compressors.


Theoretical Power: The power required to compress a gas isothermally through a specified range of pressures.


Trunk Compressor: A compressor belonging to the group of displacement reciprocating compressors.


Trunnion: A cylindrical projection used as a mounting and/or pivoting point.


Tugger: A device which is operated by air to pull or tug in an effort to move something.


Two Step Control: Load/unload control system which helps maximize the efficiency of compressor by matching air delivery & air demand.


TXV Valve: Thermal Expansion valve.


Ultrasonic Leak Detector: An instrument which helps to detect ultrasonic emissions & alter them to audible signal.


UNC: Unified National Coarse. It is a thread form with rounded roots & flat crests with 60 degree flank angle. As for a given diameter it has larger thread pitch.


UNF: Unified National Fine. It is a thread form with rounded roots & flat crests with 60 degree flank angle. As for a given diameter it has smaller thread pitch.


Unit Type Compressor: A machine in which compressors of 20 HP or less are combined with all the required components to start the operation.


Unloaded Horsepower: The power consumed to overcome the frictional losses while operating in an unloaded condition.


Vacuum Pumps: Compressors that operates by in taking atmospheric pressure & discharging atmospheric pressure or slightly higher.


Valves: A device with passages that helps directing the flow of air into alternate paths.


Vane Compressors: A single shaft positive displacement rotary compressor.


Vapor Pressure: The pressure exerted by the vapour bounded within the given space. The vapour can be a sole occupant or associated with other gases in the space.


V Belt Drive: A drive that transfers power to compressors.


Volute: A spiral shaped stationary passage that converts velocity head to pressure.


Voting Alarm: A 3 sensors alarm system that is connected to compressors or turbines & requires at least 3 alarms before the alarms act.


Water-cooled Compressor: Compressors that are cooled by water circulating jackets surrounding the cylinders or casings.


Whipcheck: Safety cables that help restrain air hoses if any end breaks.


Working Pressure: A normal working pressure required to operate an air motor.


Xenon: An inert gaseous element.


Yoke: A portion of safety valve that surrounds the spring.


Zero: The temperature of pure melting ice under standard atmospheric pressure on the Centigrade & RĂ©aumur scales.

Compressed Air Glossary: M to S

Multicasing Compressor: When two or more compressors, each with a separate casing, are driven by a single motor or turbine, the combined unit is called a multicasing compressor.


Multistage Axial Compressor: A machine having two or more rows of muting vanes operating in series on a single rotor and in a single casing.


Multistage Compressors: Machines employing two or more stages.


Modulating Control: Compressor controls will run the compressor at varying loads to accommodate demand variations.


Off-Load: The compressor which is running & consuming power but is not delivering air.

On-Load: The compressor producing air, either at part load or full load.


Oil-free air: Compressed air produced by a compressor with no oil present in the compression cycle.


Oil Separator: A device that separates oil from the condensate.


OSHA Valve: Valve used to depressurize a system when pressure drop is noticed.


Packaged Air System: Self contained unit consisting of a compressor, a prime mover & various accessories.


Pascal (Pa): The SI derived unit of pressure.


Pressure Drop: A term used to describe the decrease in pressure from one point in a pipe or tube to another.


Pressure Regulator: A device used to decrease the incoming pressure to a lower level & maintains it irrespective to the changes in inlet pressure & outlet flow rate.


Prime Motor: A machine used to derive a compressor.


Particulates: Solid materials such as dust, rust, pollen, etc that is present in air stream.


PPM: Parts Per Million, measurement of the oil present in compressed air.


Receivers: Tanks used to store compressed air & help damp discharge line pulsations.


Reciprocating Compressor: It is a positive displacement compressor which is driven by a piston having a reciprocating motion in a cylinder.

Reduced Pressure: Ratio of actual pressure of a gas to its critical pressure.


Reheaters: Heat exchanger for increasing the temperature of compressed air to increase its volume.


Rotor: A rotating element in a machine & is composed of impeller & shaft.


Rotary Compressor: An air compressor using a rotary impeller driving air through a curved chamber to compress the air.


Regulator: An automatic or manual device designed to control pressure, flow or temperature.


Relief valve: A type of valve used to control or limit the pressure in a system or vessel which can build up by a process upset, instrument or equipment failure.


Refrigeration Dryer: A device consisting of a heat transfer system, a moisture elimination system and a refrigeration system designed to improve the quality of the air and reduce the temperature of the air.


Safety Valve: A device that limits liquids & gas pressure by discharging some of the pressurized liquid or gas.


Safety Relief Valve: An automatic pressure relieving device actuated by the static pressure upstream of the device, which opens in proportion to the increase in pressure over the opening pressure.


Standard Air: Air at a temperature of 68 °F, a pressure of 14.70 psia and a relative humidity of 36 per cent (0.0750 density) (as per A.S.M.E. however in the gas industry the temperature of standard air is usually given as 60 °F.


SCFM: Standard cubic feet per minute.


Set Pressure: The gauge pressure at which a safety valve visibly and audibly opens or at setting which a relief valve discharges an unbroken stream of liquid.


Shaft: A rotating element part on which a rotating division is mounted & therefore helps transmits energy from the prime mover.


Surge Limit: It is the capacity below which the compressor operation becomes unstable.


Friday, August 21, 2009

Compressed Air Glossary: E to L

Efficiency Compression: The ratio of the theoretical work requirement to the actual work required to be performed on the gas within the cylinder.


Expanders: Engines or turbines in which gas expands, does work & undergoes a drop in temperature.


Filters: Devices that removes or separate the unwanted liquid & dust from air before it enters the compressor.


Fluidics: The general subject of instruments and controls dependent upon low rate flow of air or gas at low pressure as the operating medium.


Gas Bearings: These are load carrying machine which allows some movement in which the lubricant is air or some other gas.


Guide Vane: An adjustable stationary element that helps direct the flowing medium to the inlet of an impeller.


Gauge Pressure: Pressure determined by instruments or gauges.


Head, Adiabatic: The energy in foot pounds required to compress adiabatically and to deliver one pound of a given gas from one pressure level to another.


High Pressure air: Air which is compressed above 150 PSI.


Humidity Relative: The ratio of the partial pressure of the vapour to the vapour saturation pressure at the dry bulb temperature of the mixture.


Inlet Pressure: The pressure at the inlet flange of the compressor, measured in PSIG.


Intercooling: The removal of heat from gas or air between compressor stages.


Inducer: A curved inlet section on impeller.


Intercoolers: heat exchanger device which removes the heat of compression between the stages of compressor.


kPa: Equal to 1000 Pa.


Liquid Piston: A liquid piston compressor is a rotary compressor in which a vaned rotor revolves in an elliptical casing, with the rotor spaces sealed by a ring of liquid rotating with it inside the casing.


Load Time: Time period from when a compressor loads until it unloads.


Load/Unload Control: Control method that allows the compressor to run at full-load or at no load while the driver remains at a constant speed.