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Vacuum collection

Evac Optima® 3 toilet

The fully pneumatic Evac Optima® 3 vacuum toilets combines superior functionality with great design. This innovative vacuum toilet has a simple design that includes few moving parts, making it highly reliable. Economical, durable, and quiet, the Evac Optima® 3 is the ideal cabin toilet for vessels such as cargo ships. 

  • Hygienic and durable design 
  • Highly reliable
  • Modern, lightweight and compact design

  • Hygienic and durable design 
  • Highly reliable, with few moving parts to maintain or replace 
  • Modern, lightweight and compact design with optimized components 
  • Easy to clean and maintain 

  • Available models:
  • Evac Optima 3 wall 
  • Evac Optima 3 floor 
  • Evac Optima 3 wall USPH 
  • Evac Optima 3 floor USPH 
  • Water consumption:~1.2 ± 0.15 l/flush (water pressure: 4 bar, vacuum: -0.4 bar) 
  • Air consumption: 60 ± 10l/flush (normal atmospheric air) 
  • Water pressure: 3….10 bar 
  • Operating vacuum: -0.3…-0.6 bar 
  • Dimensions: 550 x 450 x 395mm / 560 x 480 x 375mm 
  • Weight: 18 / 20kg 
  • Sound level: Varying (contact for more information) 

The Evac Optima® 3 toilets are equipped with the proven, fully pneumatic Evac discharge valve and mechanism, with flush memory and vacuum sensor technology. It is also available with optional USPH models if required. 

Evac Optima® 3 pushbutton has been upgraded with Evac Anti-Microbial materials as standard beginning of 2022 for improved hygiene. Floor models have the same hidden fixing as in Evac Optima® 5 and 5S models. 

The flush button sends an air pulse to the control mechanism, which connects the vacuum to the water and discharge valves. The water valve opens, letting rinsing water flow into the bowl. After a short delay, the discharge valve opens and the contents of the bowl are discharged into the vacuum sewer. 

The control mechanism closes the discharge valve and, after a short delay, the water valve. The delay ensures a small amount of water is left at the bottom of the bowl. The toilet is then immediately ready for the next flush. 

Evac people on a service project onboard a vessel

Evac Lifecycle Management

For all our systems and solutions, we offer a comprehensive portfolio of services throughout the operational life of the delivered solution or equipment.

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