Donut 30 SE (Special Edition) Tecline – 30kg/68lbs

The Tecline Donut 30 Special Edition is an impressive, high-lift annular wing, specifically designed for the most experienced technical divers who undertake deep, hypoxic, or long-duration exploration dives. With an extraordinary capacity of 30 kg (68 lbs), it is engineered to safely support the heaviest loads and is highly recommended for substantial twinset configurations such as 2x18L and 2x20L, in addition to multiple stage and deco cylinders.

This "Special Edition" version applies advanced geometry to an extra-large volume, solving the classic bulk problems of large wings and optimizing trim and valve accessibility.

Technical Specifications:

• Lift Capacity: 30 liters / 68 lbs.
• Structure: Double-layer annular wing specific for heavy twinsets, complete with corrugated hose and BCD inflator hose (Vis).
• Inner Bladder: Made of durable PU-420.
• Outer Shell: Constructed from very robust 1000D Cordura to ensure total protection against abrasions, punctures, and tears in extreme environments (such as wrecks or caves).
• Attachment: Integrated double row of holes for twinset bolts, for flexible and customized height adjustment on the backplate.
• Warranty: 5-year warranty on the bladder and valves.

Advantages of the "Special Edition" Geometry:

• Slim and Low Upper Profile: Despite its high lift capacity, the wing features a flattened and narrow profile at the top. This design ensures a comfortable, safe, and unrestricted head position, while also leaving much more space for first stages. Hoses make fewer bends, run straight to the front, and provide better access to twinset valves for emergency procedures (valve drill).
• Efficient and Precise Buoyancy Control: The elongated shape shifts the center of gravity of the air volume downwards, ensuring impeccable, stable, and comfortable horizontal trim, reducing finning effort.
• Optimized Dump Valve: The lower left overpressure/dump valve is strategically positioned on the outermost edge of the wing. This advantage allows the diver to intuitively dump gas while maintaining a perfectly horizontal trim, without having to raise their hips.
• Central Inflator Inlet: The corrugated hose connection is installed in the central upper part for symmetrical and immediate air flow management.

Target Use:

The Donut 30 SE is the benchmark for heavy technical diving, at Hypoxic Trimix and Exploration levels. It is the ultimate tool for those who demand monumental lift without sacrificing a hydrodynamic, clean profile and maximum responsiveness in trim.

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