DirDirect :: Regulators & Hoses :: Suit Inflation Regulators
The most popular argon cylinder regulators from Apeks, Halcyon and Scubapro.

Suit Inflation Regulators


Suit Inflation 1st Stage Regulator (with OPV)

Suit Inflation and/or Argon 1st stage with over-pressure relief valve. Regulator has one LP port for inflator hose and is for suit inflation only. Popularly used with air on suit inflation bottles but can also be used with argon fills.


Apeks Over Pressure Relief Valve

Apeks Over Pressure Relief Valve for Drysuit Inflation System.


IST Over Pressure Relief Valve

Adjustable 1st stage over pressure valve. Pressure releases from 11.7 bar up.


Apeks DS4 First Stage Regulator

The Apeks DS4 First Stage is a work horse with years of tested and proven experience now preferred by the most demanding technical divers. Ideal for twinset configuration.

save 15%

Apeks US4 First Stage Regulator

The Apeks US4 first stage regulator is a compact unsealed First Stage with 4 x 3/8 medium pressure ports and one high pressure port. Popularly used with air on optional suit inflation bottles as an alternative suit inflation method.

save 10%

Halcyon H-50D First Stage Regulator

This balanced, environmentally sealed diaphragm provides premium performance and rock solid protection in the absolute worst environmental conditions.

save 15%

Scubapro MK11 First Stage Regulator

Scubapro MK11 First Stage is a perfect choice for a traveling diver who requires a light weight first stage. Machined marine grade chrome plated brass body. Four 3/8 UNF low pressure ports and two high pressure ports.


Scubapro MK17 EVO First Stage Regulator

The Scubapro MK17 EVO is Scubapro's premium high performance balanced diaphragm first stage. Engineered specifically for cold water and harsh environments, its internal components are completely sealed off from the elements so neither water nor pollution can get inside the chrome-plated marine grade brass body to foul the mechanism.

save 10%

Scubapro MK2 EVO First Stage Regulator

The workhorse has got even better! NEW Scubapro MK2 EVO First Stage Regulator: A totally evolved classic downstream piston first stage, now more of a workhorse than ever. With increased breathing sensitivity and better airflow, freezing resistance is dramatically increased. 50% increase in freezing resistance, 15% increase in airflow and even a smaller body than the famous original MK2.


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