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The R-400 First stage features a balanced diaphragm system and upgraded HP poppet assembly for enhanced reliability in 2008-09. This balanced diaphragm system maintains minimum variation in intermediate pressure in relation to changes in residual tank pressure. The ports feature two high flow low-pressure ports to optimize second stage performance for easier breathing.
The S-60 second stage features a diver adjustable sensitivity control to deliver air smoothly with each breath. The exhaust valve features a large and flexible design for extremely low exhaust resistance.
Balanced diaphragm type first stage (R-400):
Upgraded with a new poppet assembly for 2008-09, the balanced diaphragm system features a minimum variation in intermediate pressure in the relation to changes in residual tank pressure. The diaphragm first stage also offers excellent performance in all water conditions due to its sealed design.
High flow low pressure ports:
Two high flow ports are engineered for the smoothest air delivery possible to the primary second stage and octopus at all tank pressures. Cold
Water insulation system:
The R-400 first stage features a special coating on the main spring to ensure that the regulator performs in all diving conditions. Available in
Yoke or 300 bar DIN:
The regulator first stage can be converted from a yoke connection to a 300 bar DIN connection.
Adjustable surface or diving sensitivity control:
The 'Surface' or 'Dive' control allows the user to set the ease of breathing for varying sections of the dive. The surface position decreases the likelihood of a free flow and also is recommended for cold water diving. In the dive position the control allows the regulator to power assist the diver as they breathe using the venture effect.
- R-400 Balanced diaphragm first-stage with upgraded poppet assembly for 2008-09
- Two High Flow low L.P. ports
- One standard L.P. port
- One H.P. port
- Cold water insulation system standard
- Available in 230 Bar INT and 300 Bar DIN
- Adjustable 'Surface or Dive' sensitivity control
Do not wait any longer and buy Tusa RS 460 II. For any other information about the characteristics of Tusa RS 460 II, you can get in contact with scubastore through our contact page. scubastore offers an exclusive collection of Regulators for dive and other leisure activity. Our Regulators will ensure you enjoy your sport and daily activity and make your life more comfortable with our unique range of Regulators set articles.
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Excelent vaue and quality
Sean - 27/04/2016
Product was exactly as described and deliery was fast, considering I live almost half way around the world from their office. Easy breather and 1st stage looks good. It´s a cold water 1st stage too．
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