Halcyon 50D Single Tank Long Hose Regulator Set
The Halcyon 50D Single Cylinder Regulator is an excellent long hose setup for single-cylinder diving. The robust Halcyon H-50D first stage is paired with a Halo second stage as a main and Aura as a backup. The set includes a long main regulator hose and a short backup regulator hose.
Halcyon 50D Single Tank Long Hose Regulator Set
The Halcyon 50D Single Cylinder Regulator Set provides an excellent long hose setup for single-tank diving. The Halcyon H-50D first stage is paired with a premium Halo primary regulator and an Aura backup regulator. This set includes a long main hose and a short backup hose to maximise streamlining.
Furthermore, both second stages utilise an innovative Air Control Vane (ACV) with vacuum-assist technology to reduce your breathing effort. Standard comfort mouthpieces eliminate jaw fatigue entirely. Additionally, the long primary hose grants complete freedom of head movement underwater.
Halcyon Regulator Set Includes:
- Halcyon H-50D first stage with a secure 300-bar DIN fitting.
- Halcyon Halo second stage as the main regulator.
- Halcyon Aura second stage as the backup regulator.
- A 210cm (7') rubber main hose and a 24" rubber backup hose.
Main Second Stage - Halcyon Halo
The Halcyon Halo second stage offers steadfast reliability and adjustable inhalation control via an easy-access knob. It features a balanced, adjustable downstream valve that decreases inhalation resistance. Consequently, you receive an incredibly smooth, high volume of air.
Additionally, the integrated Air Control Vane provides superior flexible control. For instance, the "dive" position gives powerful breathing support during your dive. Meanwhile, switching to the "Halcyon" position helps prevent surface free flows.
- Fully compatible with 40% Nitrox outside the EU.
- Features an adjustable downstream valve for custom tuning.
- Includes an innovative Air Control Vane to maximise comfort.
Backup Regulator - Halcyon Aura
The compact Halcyon Aura second stage provides a reliable classic downstream valve design. It features a preset inhalation effort that suits most common diving situations perfectly, making it a popular backup choice.
Furthermore, this reliable design opens in the same direction as the incoming airflow. A factory-adjusted spring counteracts the air force, requiring only a small inhalation to open the valve. Therefore, you can count on consistent, dependable performance when you need it most.
- Highly compatible with 40% Nitrox outside the EU.
- Utilises a highly reliable non-adjustable downstream valve.
- Includes a built-in Air Control Vane to prevent free flows.
Halcyon H-50D First Stage
The high-performance Halcyon H-50D first stage features a balanced, environmentally sealed diaphragm design. Engineers purpose-built this dry balance chamber system for harsh conditions like ice or contaminated environments. Therefore, it prevents water entry and ensures smooth, consistent breathing at any depth.
Additionally, the first stage includes two opposing high-pressure ports for routing flexible pressure gauges.
- Balanced, sealed diaphragm design ideal for cold water diving.
- Features a protective dry balance chamber to enhance reliability.
- Includes 2 x High-pressure Ports and 4 x Low-pressure Ports (3/8).
- 300-bar DIN fitting.
SHIPPING:
We aim to dispatch all in-stock items within 2 working days but will inform you of approximate delivery times should any item on your order be out of stock or on supplier backorder due to current manufacturing or transport delays caused by global shortages and/or impeded production.
Please refer to our Shipping Policy and Returns & Refunds Policy for detailed information on delivery terms and returns.
Our current shipping rates are as follows:
- UK mainland orders £50 and over: FREE - DPD or alternative courier delivery*
- UK mainland orders under £50: £5.50 Fixed Rate - DPD or alternative courier delivery*
- Scotland Highland (inc. AB31+ Post Codes), Scottish Islands & Isle of Man: £11.00 Fixed Rate
- Channel Islands & Northern Ireland: £16.00 Fixed Rate
- European Union: £15.70 + 6% of order value (maximum £35)
- Rest of the World: £22.00 + 9% of order value (maximum £65)
- BFPO Post Codes: £23.00 (see Delivery Terms for BFPO at end of this page)
- FPO & APO Unfortunately, we are unable to arrange delivery to FPO/APO addresses
- PO Boxes - All our PO Box deliveries need to be signed for, therefore, unless prior arrangements are made with us, we do not deliver to PO Boxes.
*The dispatch days listed in our product listings refer to working days, excluding weekends and UK holidays. Products that need to be ordered from the manufacturer or distributor's stock, are temporarily out of stock, are subject to backorders, or are marked as Special Orders may take longer to dispatch. We will notify you of this once your order is confirmed.
INTERNATIONAL EXCEPTIONS:
For international orders containing weights, cylinders (excluding suit inflation bottles), and Suex scooters, please contact us in advance before placing your order.
These products are not included in our global max-capped shipping rates. They are only shipped outside the UK mainland after the freight cost is calculated based on the parcel's total weight, dimensions, delivery location, and the courier service used. We will let you know the cost before processing any order.
All cylinders we ship within and outside of UK mainland are filled and tested on site before being emptied for dispatch. Cylinders shipped outside of the UK will be empty and will also have their valves removed, requiring reassembly after you receive delivery. Twinset manifolds and bands will also be removed and dispatched together with the cylinders for safe global shipping.
RETURNS & REFUNDS
We offer a 30 day return for any product sold under our Returns & Refunds Policy Please contact us before any return with your order number and date details. Receive our Returns Authorisation Form and instructions and enclose them with your return to expedite a refund. Detailed information is available in our Returns & Refunds Policy.
Email us at sales@dirdirect.com or call us on +44(0)1305 824 555
Note that all returned items are shipped at the customer's own risk and remain the customer's property until received by Underwater Explorers, so please ensure they are packaged well and use reliable postal services with tracking facilities. The goods will be inspected on arrival.
Return postages are at your own cost and our outbound shipping costs (if items are sold with integrated basic shipping charges i.e. Free shipping for orders £45 and above) the UK shipping rate may be deducted from any UK mainland refund unless linked to a fault/defect claim.
Please contact us with your order number and name before sending any returns to:
Underwater Explorers – Returns
Unit 1, Maritime Business Centre
Mereside, Portland
Dorset, DT5 1FD
United Kingdom
Please refer to our Shipping Policy and Returns & Refunds Policy for detailed information.































