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  • Payment
  • MOQ
  • Country of sale
    World Wide
    • FOB

      Depend on quantity

Trade Assurance Service


  • Brand
    Model EST3 [18K]
  • origin
    Republic of Korea
  • Size(Capacity)

Optima EST[18K] is equipped with the most heat efficient electric steam boiler and generates abundant steam jet without any emissions. EST[18K] has two of powerful 9.000W heaters that will provide a rapid preheating time along with an abundant steam jet flow rate. It can be used for indoor vehicle cleaning, general cleaning, disinfecting and sanitizing purposes. Direct water line connection enabled by an automatic water refilling system will become handy when a continuous water source (i.e. water tab) is available on your site.  This is a 100% emission free machine and recommended for indoor applications.  Optima EST is designed to be used on 3-phase electric power supply.


Number of Guns

   Two (*Additional gun and hose purchase available, however single system recommended for EST3)


Required Electric Power Access:

     3 Phase  380~480V 50/60Hz; custom configuration available


Mobile Operation Option? :  No

Ventilation:   Not required

Automatic Water-filling System? :   Standard 


Included Accessories:

     2 Steam gun ("K26"), 2 Steam hose (10 meters, 33'), 1 Spray bottle 


Recommended Accessories:

     Microfiber polishing towel FBZ (2pk), Microfiber polishing towel (2pk), Watercon (4pk)


Optional Installations:

     Coin machine, Running time odometer


Color Options:

      Red, Green, Blue and Yellow


Heat Efficient Boiler

"Air-wall" insulation structure provides the boiler great efficiency. With 19 years of know-how, we have created an energy-saving unique heating system.


Automatic Control by CPU

Artificial intelligence enabled by the internal CPU monitors and controls mechanical and electrical operations of the machine. User-interface LED lamp signals, gauge, and alarm system alert users when necessary.


Multi-stage Safety Features

Automatic alarm and control features include automatic stop in case of water shortage, out-of-range pressure or temperature, and overtime pump running. Mechanical safety features include pressure release valve and non-return check valves.


Environment-friendly Washing System

It has been scientifically designed to ensure the most water-saving cleaning. It takes less than one gallon (3.7 liters) of water to wash a full-sized car. Minimal water consumption makes wastewater-free cleaning possible. Optima EST 3 runs on electricity only, which also makes it  emission-free.


Efficient and Fast Cleaning

Two 9.000W heaters allow rich steam flow and powerful cleaning results in which reduce working time by allowing 2 steam guns to be used simultaneously, User-interfaced moisture control valve. For car wash, the Optima Steamer can wash the exterior and clean, disinfect and deodorize the interior.


Flexible Usage

Using the Optima Steamer for business requires fewer or no permissions thanks to its eco-friendliness. The automatic water filling feature no longer requires you to manually refill the water when a continuous water supply source is available on your site.


All-in-one Cleaning Machine

Optima Steamer can be a professional exterior car wash machine, an excellent interior cleaning machine, an effective sanitizing equipment, a chemical-free weed-removal equipment, and a multi-purpose cleaning machine simultaneously without altering any internal settings or parts.



Appealing Design

Optima Steamer's solid body frame is suitable for any clients. Its appearance is less industrial-looking and appealing to anyone. High-quality and lightweight ABS material enables different color options. Custom labeling is available for high-volume orders.


Simply the Best Steam Machine Yet!

As the No. 1 manufacturer of steam cleaning machines of this kind, we have the experience of dealing with different client needs from over 50 countries around the world. More experience also led us to constant research and development. You do not need to look any further for the best steam cleaning machine.






Optima EST(18K)

Boiler Type


Working Pressure

8 kg/㎠(bar) / 116 psi (Max. 10 kg/㎠ / 145 psi)

Spraying Temperature

< 135 °C / 275 °F

Steam Temperature

174 °C / 346 °F (Max. 180 °C / 356 °F)

Preheating Time(in minutes)


Rated Electric Power(KW)


Voltage / Hertz(Customization
 available in the specified range)

200 ~ 480V, 3PH, 50/60 Hz

Water Tank Capacity

40 ℓ / 10.6 gals

Water Consumption Rate(Max)

600 cc/min(0.165 gpm) x hoses

Net Weight(kg/lbs)

74 kg / 163 lbs

Product Dimensions(L X B X H)

109 x 70 x 90 cm









1. Wash a single car with only 3 liters of water 2. Sterilizing surfaces with 99.9% efficacy without using chemicals 3. Cleaning without getting your feet wet 4. Various application - cleaning services such as machinery, boat, office, kitchen, public places, winery, food factory, mine, weed removal, etc. br />
www.sjecorp.com / info@sjecorp.com


This supplier supports payments for offline orders
  • Telegraphic Transfer : T/T
Contact Payment Manager
  • Name : Manager
  • Tel : 82-515213200
  • Email : info@sjecorp.com


Shipping from : Republic of Korea
  • 78-21 Sandan 7-ro Jeonggwan-eup, Gijang-gun, Busan (46026)
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SJECorporation, Ltd.

SJECorporation, Ltd.

www.sjecorp.com Seller_Mail
  • The person in charge

    Ho Yoo Mook
  • Telephone

  • Fax

  • Address

    78-21 Sandan 7-ro Jeonggwan-eup, Gijang-gun, Busan (46026)
Leading the world market with excellent domestic technology, and developing customers a top priority. We pledge a green future of the cleaning industry. Welcome to SJE's homepage. Thanks to the support of government offices that purchase and use our products, large and small companies, and numerous individual customers at home and abroad, exports have increased every year due to their overwhelming market share in the domestic and overseas markets, winning the "Trade of the Month Award" in February 2010, the 2012 government's "Global Happiness Leading Company," "Export Obligation Specialized Companies for Military Service," and the 2014 export of over 100 countries worldwide. 2019 Korea Federation of Small and Medium Business Order of Industrial Merit of Steel Tower, Suhong Yu Ho-mook, CEO of SJ Co.,Ltd., developed the world's first steam washing machine and exported it to 117 countries around the world, was honored with this year's Iron Tower Industrial Medal for his contribution to the nation's economic development.
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