Description

APEKS DS4 1st Stage Regulator: Unrivaled Reliability for Demanding Dives
Discover the pinnacle of reliability and performance with the APEKS DS4 1st Stage Regulator, a legendary piece of diving equipment trusted by technical and recreational divers worldwide. Engineered for simplicity, durability, and flawless operation in the most challenging conditions, the DS4 is the workhorse of the APEKS regulator family. Its compact, non-turret design makes it the perfect choice for divers seeking a streamlined configuration, ideal for twinset setups, stage cylinders, or a minimalist single-cylinder rig.
Superior Performance at Any Depth
The heart of the DS4´s exceptional capability lies in its unique over-balanced diaphragm design. As a diver descends, the ambient pressure increases, and so does the demand for breathing gas. The DS4 is ingeniously designed to counteract this effect. Hydrostatic pressure acts on the outer sealing diaphragm and is transmitted to the primary diaphragm. This causes the intermediate pressure in the hose supplying the second stage to increase at a faster rate than traditional balanced models. The result is effortless, superior breathing performance that feels consistent and plentiful, regardless of your depth or remaining cylinder pressure. This over-tracking characteristic ensures you receive the air you need, when you need it most.
Engineered for Extreme Environments
Built for exploration, the DS4 features a robust dry sealed system. This environmental seal completely isolates the internal mechanism from the surrounding water. This critical feature prevents ice from forming on the mainspring when diving in cold water and protects the precision components from contamination by salt, sediment, or chlorine. This makes the DS4 an outstanding choice for cold-water diving, deep technical diving, and frequent use in any environment, significantly enhancing its longevity and reducing service requirements.
Key Technical Specifications & Features:
* System: Over-balanced diaphragm design with environmental dry seal for ultimate cold water and contamination resistance.
* Configuration: Streamlined, fixed-body design without a turret.
* High-Pressure Port: 1×7/16″ UNF HP Port for your pressure gauge or transmitter.
* Medium-Pressure Ports: 4×3/8″ UNF LP Ports for second stages, octopus, inflators, and accessories.
* Connection Versatility: The APEKS DS4 is available in a 300 bar DIN configuration (4260 PSI) and a 232 bar A-Clamp Yoke version (3000 PSI) to suit global diving standards. The new model DIN version is enhanced with a robust, all-metal handwheel for superior grip and durability.
The APEKS DS4 1st Stage Regulator is more than just a piece of scuba equipment; it is a commitment to safety, reliability, and performance. Its proven design and bomb-proof construction have earned it a formidable reputation. Whether you are exploring a deep wreck, navigating a chilly quarry, or simply demand the very best in breathing apparatus, the DS4 delivers unparalleled performance you can depend on, dive after dive The use of this material requires specific training given by a diving instructor. The user must also read the user manual carefully. TRADEINN and/or the brand are not responsible for damages resulting from improper use. By formalizing the purchase, you declare that you have read and agree with the safety warning. Silver