Second Stage

QMD-S21O

Product Detail

International standard size downstream two-stage head regulator, with neutral buoyancy design, reduce the burden on the mouth;

Material: POLYCARBONATE

Unique silica gel material secondary head panel, RK2 grade dark anodized aluminum cover ring, effectively prevent the secondary head collision wear;

Large drainage valve panel design, divers even wearing heavy gloves can easily perform drainage skills;

Both sides of the exhaust valve extend, exhaust bubbles do not affect the line of sight;

Eye-catching 100CM yellow do not use a two-stage head to adjust the gas low pressure pipe;

Ergonomic silicone bite, easy to hold without fatigue.

● Type: downstream two-stage head regulator.

● Medium pressure: 150 PSI.

● Suction impedance: 1.3-1.5 CIW(water column inch)

● Exhalation impedance: 1.2CIW (water column inch)

● Working flow: 2200L/MIN (air supply: 3000 PSI/206BAR).

● With eye-catching yellow panel cover and 100cm length low pressure tube

● Unique two-stage regulator wedge dispersion diversion technology (WDI technology, patent No. : ZL 2021 2 1919144.9), based on fluid mechanics dispersion diversion and turbulence perturbation theory, dispersion of strong flow pressure, so that the two-stage regulator will not cause continuous air leakage (Freeflow) phenomenon in strong flow.

● Passed CE and RoHS environmental protection dual certification.

 



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