• The UN has identified Korea as a "water-stressed country."
  - Daily water usage per person in Korea is the highest in the world (twice as high as Germany).
  - It is estimated that Korea have a"water-scarcity" by 2010.
• The water-stressed regions are expanding nationwide.
  -The amount of available water is running short, for annual precipitation per person is as low as 10% of the world average and it has a wide seasonal variation.
• The demand for water is dramatically increasing, while hte expansion if it's supply is limited.

• This product helps overcome the problems of environmental destruction caused by dam construction.
• It corresponds with worldwide trend s of avoiding dam construction and strengthening water demand management.
  -Water is an invaluable resource limited in its quantity.
• Our product is in compliances with the government's water-saving policy.
• Usage of piped water has been reduced in the regions installed with water savers.

• Always keeps regular amount of water running by automatically controlling water pressure and quantity
• Copes automatically with fluctuating water pressure
• Saves water without losing water pressure
• Made from 100% domestic technology
• Can be installed conveniently in almost all the faucets on the market(two types)
• Doesn't cause inconvenience in usage when installed in places with low water pressure or with less than 9.5 liters of water flowing per minute by releasing the same quantity of water as was available.
• Doesn't cause any complaints from customers (easy to install for everybody)
• The water saving device automatically senses hydraulic pressure and water capacity. It maintains water flow in constant amount.
• It adjusts itself well to changing hydraulic pressure.
• It comes in two types, both convenient to install on every kind of tap.
• Users cannot tell the difference in use before and after the installation.
• Defect-proof and easy maintenance.
• Permanent use after one installation.
• No influence on business thanks to simple installation without having to suspend water supply.
• Sewerage and fuel cost savings.
• W.Q.S. has been certified by the Ministry of Environment.
• W.Q.S. has been certified by Public Procurement Service as Excellent Quality Product.
• Water saving performance certified by Korea Water and Wastewater works Association
• W.Q.S. is based upon a 100% home-grown technology.
• W.Q.S. is best quality water saving device chosen by government complex and Marriotte Hotel.
• W.Q.S. is test-proven. The Ministry of Environment selected Ulsan city for its first public project of W.Q.S. installation around residential areas. After that, this product is now used around the country.
• Hydraulic pressure is automatically adjusted by W.Q.S., which detects changes in the pressure. Thus it always ensures that the water flush is always the same.
• Low price and low installation cost (at the original cost)
• Since W.Q.S. stops operation under low pressure and reduces water resistance, it does not cause inconvenience to users.
• Users cannot feel the difference as it maintains constant level regardless of how much water is used from the shower head.
• No water hammering.
• The first water saving device developer in Korea.
• Excellent effects guaranteed for 5 years. (semi-permanent)

Water saver Performance Test Result

Installation of the Product

Washbasin

For Kitchen

For Bathroom(shower)

For others

Principle of the Water Saving Device

• Water savings thanks to continuous whirlpool and exfoliation while water passes through the hole, causing loss heads.
• When water under certain pressure passes through W.Q.S., pressure head changes to speed head, then back to pressure head, thus you cannot feel any change while using it.
• Water energy (kinetic energy and potential energy) in area A goes exfoliated while water passes through holes on the piston, generating loss heads and pressure energy.
• This pressure energy presses the piston, which makes the spring shrink.
• The shrink spring controls the pipe path of ?B? at the end of the housing.
• Changes in the width of the pipe path generate pressure loss coefficient (loss heads), automatically controlling water capacity. The spring shrinks according to water energy in area A and controls the width of the end of the housing. And water is flushed always in constant amount.

How to install the Water Saving Device

• Separate the water flow end from the tap as shown above.
• Recombine the device on rubber packing of the tap.
• Separate hose and head of the shower and recombine them as shown in the picture.
• Short devices are installed for washstands and kitchen sinks whereas longer ones for shower and other types of taps.