Downstream Demand Regulators

Cressi XS Octopus

89 reviews

SKU: CSBOXS

~~$189.95~~ Save: $60 (32%)

^$129.95

+ wishlist

In Stock

DESCRIPTION

A reliable and high-performance Cressi XS Octopus with a lightweight design and dependable valve.

Pros

Great performance and breathability
Good value for the price
Easy to use and adjust
Budget-friendly
Reliable and durable

Tusa SS-0002 Duo Air II Alternate Combo Inflator

10 reviews

SKU: TBTSS02

^$299

+ wishlist

In Stock

DESCRIPTION

A combination octopus regulator/power inflator with an air balanced power inflator valve and classic downstream regulator valve.

Cressi Octopus Compact

9 reviews

SKU: CSBOC

^$159.95

+ wishlist

In Stock

DESCRIPTION

A reliable and comfortable Cressi octopus with a low profile design and non-corrosive materials.

Cressi MC9-SC Compact Pro Yoke Regulator

7 reviews

SKU: CSBRCPS

^$499.95

+ wishlist

In Stock

DESCRIPTION

A lightweight, environmentally sealed regulator with enhanced performance and reduced effort for easy travel.

Cressi Octopus Compact Pro

4 reviews

SKU: CSBOCPN

^$179.95

+ wishlist

In Stock

DESCRIPTION

A low profile octopus with a comfortable silicone mouthpiece and smooth operation.

Zeagle F8 Octopus with Yellow Hose

3 reviews

SKU: ZGLOF8YL

^$349.95

+ wishlist

In Stock

DESCRIPTION

A lightweight yellow octopus with adjustable inhalation resistance and venturi free flow control.

Scubapro Mark 25 EVO Regulator, First Stage Only

2 reviews

SKU: SCPM25E

^$519

+ wishlist

In Stock

DESCRIPTION

A top-performing Scubapro first stage regulator with superb inhalation sensitivity and 5 LP ports.

Mares Loop Octopus

2 reviews

SKU: MRSLO

~~$179.95~~ Save: $26.99 (15%)

^$152.96

+ wishlist

In Stock

DESCRIPTION

A vertical regulator design with a downstream demand valve and S-VAD system for easy breathing.

Scubapro Mark 2 EVO Regulator DIN, First Stage Only

2 reviews

SKU: SCPM2ED

^$319

+ wishlist

In Stock

DESCRIPTION

A lightweight Scubapro Mark 2 EVO DIN regulator with increased airflow and easy maintenance.

Zeagle Envoy II Octopus, Yellow

2 reviews

SKU: ZGLOE

^$199.95

+ wishlist

In Stock

DESCRIPTION

A yellow Zeagle Envoy II Octopus with a downstream demand valve design and thermoplastic construction.

XS Scuba Swivel LP Port Adapter, 1 to 3 Ports

1 reviews

SKU: XSSSLPA

^$52.95

+ wishlist

In Stock

DESCRIPTION

A chrome brass LP port adapter that increases the number of low pressure ports.

Cressi START-ER Package

1 reviews

SKU: CSBPSPLR

^$764.95

+ wishlist

In Stock

DESCRIPTION

A reliable and complete scuba diving package with a non-balanced flow-by-piston 1st stage and downstream demand valve 2nd stage.

Zeagle Onyx II Octo with Hose Yellow

1 reviews

SKU: ZGLOO

^$249.95

+ wishlist

In Stock

DESCRIPTION

A compact and lightweight yellow octo with venturi free flow control and an ergonomic silicone mouthpiece.

Mares Dual 15X Regulator with Prestige Octopus and Regulator Bag

SKU: MRSD15XK5

~~$599.85~~ Save: $224.95 (38%)

^$374.90

+ wishlist

In Stock

DESCRIPTION

A lightweight, high-performance regulator set with yellow octopus and a waterproof polyester bag for reliable diving.

Aqualung Leg3nd MBS Regulator with Legend Octopus

SKU: UDRLMYOP

~~$1418~~ Save: $159 (11%)

^$1259

+ wishlist

In Stock

DESCRIPTION

A revolutionary Aqualung regulator with MBS and superior cold-water functionality, paired with a balanced octopus.

Interspiro Divator RS4 4-Port Regulator, No Gauge

SKU: INSDR4PGD

^$1048

+ wishlist

In Stock

DESCRIPTION

A high-performance regulator with four low-pressure ports, shockproof rubber cover, and stable intermediate pressure.

Scubapro MK2 EVO/S270 Regulator, DIN

SKU: SCPM2ES270D

^$599

+ wishlist

In Stock

DESCRIPTION

A compact and lightweight Scubapro regulator with smooth breathing and thermal insulation for comfortable diving.

Scubapro MK11 EVO/R105 Yoke Dive Regulator System

SKU: SCPR105IN

^$549

+ wishlist

In Stock

DESCRIPTION

A diaphragm first and second stage regulator set with DIN and INT fittings, featuring 2 HP and 4 LP ports.

TUSA SS0007 Octo/Safe Second Stage Regulator

SKU: TBTSS0007YW

^$180

+ wishlist

In Stock

DESCRIPTION

A reliable and durable TUSA SS0007 Octo/Safe Second Stage Regulator with a large diaphragm and purge.

Scubapro MK2 EVO/S270 Regulator

SKU: SCPM2ES270

^$599

+ wishlist

In Stock

DESCRIPTION

A reliable and lightweight regulator set with enhanced freezing resistance for recreational divers.

TUSA SS-81 Safe-Second Regulator

SKU: TBTSS81YW

^$345

+ wishlist

In Stock

DESCRIPTION

A reliable and durable second stage regulator with a large diaphragm and purge for easy breathing.

Scubapro Mark 2 EVO Regulator, First Stage Only

SKU: SCPM2E

^$319

+ wishlist

In Stock

DESCRIPTION

A lightweight, piston-style first stage regulator with extended thermal insulation and increased airflow.

Genesis Prana Regulator Bundle with Prana Octopus

SKU: PCKGNSPRO

~~$705~~ Save: $250 (35%)

^$455

+ wishlist

In Stock

DESCRIPTION

A rugged and dependable regulator bundle with a rich tradition and affordable price.

Dive Rite XT4 Second Stage Regulator (No Hose)

SKU: DIVRG5900R

^$245

+ wishlist

In Stock

DESCRIPTION

A streamlined and compact second stage with balanced downstream valve and adjustable inhalation effort.

Mares Prestige Octopus

30 reviews

SKU: MRSPRO

~~$169.95~~ Save: $45.00 (26%)

^$124.95

+ wishlist

In Stock

DESCRIPTION

A compact and reliable octopus with easy breathing and durable housing.

Pros

Good value for the price
Suitable for beginners
Durable and long-lasting
Easy breathing
Reliable performance

Page of 3

Per Page

More Results

Downstream Demand Regulators

Downstream demand regulators, often referred to as pressure-reducing or demand-valve regulators, are essential components in both industrial and recreational settings where precise control of pressure and flow is critical. In the world of scuba diving, these regulators play a vital role in ensuring that every breath a diver takes underwater is delivered at the right pressure, regardless of changes in depth or tank pressure. At their core, downstream demand regulators operate by sensing the diver’s inhalation, which triggers the valve to open and supply air only when needed—a true “on-demand” system. This design not only conserves air but also contributes to the overall safety and comfort of the dive experience. For industrial applications, these regulators maintain consistent downstream pressure in systems such as gas distribution lines, steam systems, and other processes where overpressure could lead to equipment damage or safety hazards. The mechanism inside typically involves a spring, diaphragm, and sensing of downstream pressure, all working together to provide stable, responsive performance. When demand ceases, the regulator closes completely, a feature known as “lockup,” ensuring that no excess pressure is allowed to build up downstream.

Selecting the right downstream demand regulator involves considering several practical factors. For scuba divers, the type of diving—whether recreational, technical, or professional—can influence the choice of regulator, as can the water temperature and anticipated dive conditions. Durability and corrosion resistance are especially important for saltwater environments, and ease of maintenance is a key consideration for those who travel or dive frequently. Many divers appreciate the reliability and straightforward maintenance of downstream designs, making them a popular choice for both beginners and seasoned enthusiasts. In industrial settings, sizing the regulator correctly is crucial; factors such as maximum and minimum required flow, the nature of the gas or fluid being regulated, and the materials compatible with the system’s environment all come into play. For those gifting a downstream demand regulator, it’s a thoughtful and practical choice for anyone passionate about diving or working with pressurized systems—particularly as the weather warms and outdoor activities or maintenance projects pick up pace. The gift of a high-quality regulator can open up new adventures or provide peace of mind for someone who values safety and precision in their underwater or technical pursuits.

Whether you’re equipping a new diver for their first season in the water or upgrading equipment for a veteran explorer, downstream demand regulators are a cornerstone of reliable performance. They’re equally indispensable in technical settings where exacting standards must be met, and their robust, intuitive design has earned them a reputation for dependability across a wide range of applications. As you browse through our curated selection, you’ll find options designed to meet the demands of both recreational and professional users, with features tailored to enhance safety, ease of use, and longevity. For a deeper dive into the technical details and a broader selection of related equipment, visit our Downstream Valve Regulators page. Whether gearing up for a summer of underwater exploration or ensuring the smooth operation of a pressurized system, choosing the right downstream demand regulator lays the foundation for safe, enjoyable, and efficient performance.