Si-Tech Drysuit Dump Valve

Si-Tech Drysuit Dump Valve

Sale price£55.00
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The Si-Tech Drysuit Dump Valve is extremely sensitive to variations in pressure and provides the diver with excellent buoyancy control.

Dispatched in 1 to 2 days

Contact Form & Details

Why Portland? 

We’re located on the Isle of Portland (in Dorset) because Portland has been one of the most popular scuba diving locations in the United Kingdom even before we set up operations here back in the year 2000.

On one side, we’re minutes away from the sheltered waters of Portland Marina and Harbour, while on the other, it’s just a brief walk to reach our famous scuba diving destination, Chesil Cove and Chesil Beach.  

Portland’s location makes it ideal for scuba diving, freediving, snorkelling and other water sports activities.

Alongside dive clubs, many instructors and dive schools travel here to train and offer scuba diving certification ranging from open water diver to mixed-gas tech diving or rebreather diving levels.

Whether you’re doing a boat dive from Portland Marina or Castletown or a shore dive at Chesil Cove, Portland is well known for offering many possibilities: Reef diving to wreck diving and night diving, underwater photography or underwater videography. Anything other than cave diving is possible here.

Likely being the best-stocked diving shop in the UK, at Underwater Explorers we offer in-store scuba diving equipment advice and sales, as well as gas fills, to locals and visitors (read About Us).

But... If you’re googling “scuba diving shop near me” like some, look no further, there's DirDirect online.

Here at DirDirect, we list our cutting-edge equipment for worldwide delivery and we’ve got you covered whatever your level of diving: We’re your local dive store wherever you are in the world.

All that with over 20 years of experience especially in technical diving, from training to equipment, advice and sales.


Underwater Explorers, Unit 1, Maritime Business Centre
Mereside, Portland, Dorset, DT5 1FD


The Si-Tech Drysuit Dump Valve is a high-performance drysuit valve. It is extremely sensitive to variations in pressure and provides the diver with excellent buoyancy control.

The top design makes it ideal to use with thick gloves and still release the proper amount of gas during ascent.

The Si-Tech Drysuit Dump Valve has built-in safety features that ensure no gas is evacuated accidentally while on the surface.

Please note that if you currently have an Apeks Drysuit Dump Valve, the Si-Tech valve does not have the same diameter base.

SKU: SI101