The RS-790 delivers performance, durability and comfort making it the ideal choice for discerning divers. Lees meer..
The RS-790 delivers performance, durability and comfort making it the ideal choice for discerning divers.
The R-700 is a balanced diaphragm first stage designed for cold-water use, it features a dry ambient pressure chamber that prevents water contact with the diaphragm maximizing performance in temperate water conditions below 50°F/10°C. Additionally, the R-700 has an external rib section that nearly doubles the surface area for thermal exchange further reducing ice formation that can lead to freeze up in extreme conditions. The R-700 has two high pressure ports and four low pressure ports including two high flow (HF) that deliver up to a 15% increase in air flow. It is available in both INT (yoke) and DIN versions.
The S-90 second stage is a compact pneumatically balanced system that features a composite housing which insulates and protects under extreme cold-water conditions. The S-90 is equipped with a built-in venturi adjustment lever allowing the diver to select a surface or minimum setting reducing possible free flow or a dive setting for maximum air flow during the dive.
First stage (R-700)
> | Balanced diaphragm first stage with anti-freeze system ![]() |
> | Dry ambient pressure chamber ideal for temperatures below 50°F/10°C ![]() |
> | Ribbed section to increase heat transfer and resist freezing ![]() |
> | Two H.P. ports and Four L.P. (2 standard/2 high flow) ports ![]() |
> | High flow L.P. ports offer up to 15% increase in air flow ![]() |
> | DIN version available as RS-790 DIN (300bar/4350psi) ![]() |
> | Eligible for TUSA CARE Free Parts for Life Program - USA Only ![]() |
Second stage (S-90)
> | Lightweight, compact composite case design ![]() |
> | Pneumatically balanced system ![]() |
> | Venturi adjustment lever ![]() |
> | Ortho-consciously designed mouthpiece ![]() |
> | Eligible for TUSA CARE Free Parts for Life Program - USA Only |
![]() | ADVANCED FLOW SYSTEMThe Advanced Flow System allows ease of air flow and makes air delivery smoother due to the curved housing structure. |
![]() | COLD WATER READYThe Cold Water Ready feature enables the diver to use the regulator in water temperatures below 50° F / 10° C. |
![]() | ENVIRONMENTALLY SEALED 1ST STAGEThe use of a secondary diaphragm and piston sealing the 1st stage preventing contamination or freezing when the regulator is submersed in contaminated or freezing water. |
![]() | ORTHO-CONSCIOUS MOUTH PIECEThe Ortho-Conscious Mouth Piece feature prevents jaw fatigue. The ridges and flexible material allow the diver to have more control of the mouth piece and reduces tension in the jaw. |
![]() | PNEUMATICALLY BALANCED 2ND STAGEA balance chamber added to the regulator 2nd stage, providing equal pressure to both sides of the LP seat greatly reducing inhalation effort. |
The RS-790 delivers performance, durability and comfort making it the ideal choice for discerning..
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