Pressure Relief Devices

OMS Complete Overpressure Relief (O.P.R.) Valve

1 reviews

SKU: OMSBCA509

^$16

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In Stock

DESCRIPTION

A durable and easy-to-use O.P.R. valve that helps relieve pressure and trim buoyancy.

XS Scuba Standard Over-Pressure Valve

SKU: XSSSOPV

^$20

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In Stock

DESCRIPTION

A compact relief valve with chromed brass construction and stainless steel internal spring.

XS Scuba Quick Launch Buoy Marker

13 reviews

SKU: XSSQLBMYL

^$109.95

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In Stock

DESCRIPTION

A highly visible buoy marker with an easy deploy design and over-pressure relief valve.

Seac Warm Dry Suit, Men's

3 reviews

SKU: SECWDS3XLP

^$1399

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In Stock

DESCRIPTION

A warm, Italian-designed neoprene dry suit for men with a heavy-duty poly PK coating and rear entry zipper.

Hollis Over Pressure (OP) Pull Dump Valve

3 reviews

SKU: HLSOPV

^$26.95

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In Stock

DESCRIPTION

A durable polycarbonate OP pull dump valve for trimming buoyancy and automatically relieving pressure.

Highland by XS Scuba 100 Pound (45.4 kg) Lift Bag

2 reviews

SKU: XSSLB100OR

^$137.95

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In Stock

DESCRIPTION

A 100 Pound (45.4 kg) Lift Bag with urethane coated nylon construction and "Anti-Spill" bottom.

XS Scuba 1'st Stage Low Pressure Gauge with Release Valve

1 reviews

SKU: XSSLPGRV

^$79.95

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In Stock

DESCRIPTION

A lightweight low pressure gauge with release valve for on-the-go regulator diagnostics and increased dive safety.

Blue Steel Inline Re-Breather Valve

1 reviews

SKU: FBRRVB

~~$79.95~~ Save: $25 (31%)

^$54.95

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In Stock

DESCRIPTION

A low profile, blue inline re-breather valve with easy hand wheel access and a built-in "Bump Guard" for added safety.

Zeagle Compact Pony Pressure Gauge

1 reviews

SKU: ZGLCPPG

^$84.95

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In Stock

DESCRIPTION

A compact and low-profile pressure gauge designed for pony and stage bottles, with easy-to-read color coding.

XS Scuba Over Pressure Valve (OPV) Complete Assembly

1 reviews

SKU: XSSOPCA2

^$15

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In Stock

DESCRIPTION

A corrosion-resistant over pressure valve for lift bags and BCDs, preventing rupture and ensuring safety.

Highland by XS Scuba Mini Tech Pressure Gauge Only

SKU: XSSMTG0PSI

^$52.95

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In Stock

DESCRIPTION

A compact, bright pressure gauge preferred by technical divers for stage, decompression, and safety stop bottles.

Hollis Lift Bag

SKU: HLSLB6

^$82.95

+ wishlist

In Stock

DESCRIPTION

A high visibility lift bag made of nylon with an over pressure relief valve and stainless steel D-ring.

Cressi Start BCD

95 reviews

SKU: CSBSMDP

~~$339.95~~ Save: $140 (41%)

^$199.95

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In Stock

DESCRIPTION

A sturdy and versatile Cressi Start BCD with adjustable straps and large cargo pockets.

Pros

Comfortable design
Durable construction
Affordable price
Good fit
Versatile features

Spare-Air Screw-In Dial Pressure Gauge

17 reviews

SKU: SXDPG

~~$64~~ Save: $5 (8%)

^$59

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In Stock

DESCRIPTION

A convenient and reliable pressure gauge for Spare-Air that allows for easy monitoring of air levels.

Cressi Patrol BCD

9 reviews

SKU: CSBPALR

^$449.95

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In Stock

DESCRIPTION

A lightweight and durable Cressi Patrol BCD with high lift capacity and integrated weight pockets.

Highland by XS Scuba Brass/Glass Pressure Gauges

8 reviews

SKU: XSSBPG25

^$123.95

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In Stock

DESCRIPTION

A compact and robust pressure gauge with a luminiscent, easy-to-read face and tempered glass lens.

XS Scuba Pressure Gauge Boot

8 reviews

SKU: XSSPGB

^$21

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In Stock

DESCRIPTION

A thermoplastic pressure gauge boot that provides protection and fits gauges with approximate dimensions.

Cressi Console CP2 Pressure Gauge, Imperial

7 reviews

SKU: CSBPGC

~~$169.95~~ Save: $40 (24%)

^$129.95

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In Stock

DESCRIPTION

A compact console with high-quality instruments, including a pressure gauge and oil-filled compass.

Aqua High Pressure Port Extender

4 reviews

SKU: AQU57265

^$12.95

+ wishlist

In Stock

DESCRIPTION

A marine-grade brass extender with O-ring sealing for standard wrench use on thin hose flats.

Genesis Brass Pressure Gauge PSI/BAR

4 reviews

SKU: GNSPG

^$149.95

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In Stock

DESCRIPTION

A dual-scale brass pressure gauge with up to 5000 psi/350 bar capacity and color-coded face.

Highland by XS Scuba Mini Tech Pressure Gauge

2 reviews

SKU: XSSMTG

^$69.95

+ wishlist

In Stock

DESCRIPTION

A compact, easy-to-read pressure gauge for technical and deep divers, with a luminiscent white face.

Seac Warm Dry Suit, Women's

SKU: SECWDSWMD

~~$1399~~ Save: $449.03 (32%)

^$949.97

+ wishlist

In Stock

DESCRIPTION

A black, Italian-designed 4mm neoprene dry suit with heavy-duty poly PK + Powertex coating and Glide-Skin neck.

XS Scuba Low Pressure Port Extender

SKU: XSSLPPE

^$19.95

+ wishlist

In Stock

DESCRIPTION

A brass low pressure port extender for remote pneumatic tool use with black chrome finish.

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Pressure Relief Devices

Pressure relief devices play a vital role in the world of underwater sports, diving, and equipment maintenance, serving as a crucial safeguard for pressurized systems. Whether you’re prepping your gear for a winter dive trip or maintaining tanks during the off-season, understanding the importance of these devices is essential for safety and peace of mind. Pressure relief devices—ranging from spring-loaded valves to rupture discs and fusible plugs—are engineered to automatically vent excess pressure, protecting tanks, compressors, and other critical equipment from dangerous overpressurization. For divers, these devices are not just technical add-ons; they are silent guardians that help ensure every underwater adventure begins and ends safely. Picture a frosty November morning at the marina: as you check your scuba cylinder, a reliable pressure relief device stands between you and the risks associated with sudden temperature shifts or accidental overfilling. For anyone managing high-pressure gas systems, such as dive shop technicians, boat operators, or seasoned explorers prepping for cold-water excursions, these devices are as essential as the tanks themselves.

When considering which pressure relief device is right for your needs, it’s important to take into account the type of equipment you’re using, the operating pressures involved, and the specific conditions you’ll encounter. Relief valves, with their gradual opening, are often preferred for systems where pressure fluctuates, offering a controlled release that minimizes wear on sensitive components. Safety valves, which open rapidly at a preset threshold, are indispensable when a swift response is vital—such as in the case of gas cylinders stored in fluctuating temperatures or on liveaboard vessels where space and safety margins are tight. Rupture discs and fusible plugs provide single-use, fail-safe protection, making them ideal backups or primary safety measures in environments where overpressure events, though rare, must be mitigated instantly and without the need for manual intervention. These devices are not just for the technical diver or shop owner; they make thoughtful gifts for anyone who owns or maintains their own scuba, snorkeling, or inflatable water sports gear. Giving the gift of safety and reliability is especially meaningful as the holiday season approaches and dive enthusiasts prepare their equipment for winter storage or upcoming travel.

Selecting, installing, and maintaining pressure relief devices is a responsibility that comes with owning high-pressure equipment. Regular inspection and timely replacement are just as important as the initial purchase, especially after a device has activated or been exposed to harsh conditions. Anecdotes from the field underscore the importance of diligence: a diver returning from a cold-water expedition in November once shared how a properly maintained relief valve vented excess pressure from a tank left in a sun-warmed car, preventing a potentially hazardous situation. This attention to detail extends to other pressurized systems as well, such as buoyancy compensators and surface marker buoys, which may also require specialized relief devices to function safely. For those interested in expanding their safety toolkit, exploring related accessories—like those found in our curated selection of Inflation Devices—can further enhance both convenience and preparedness. Ultimately, whether you are a recreational diver, a technical specialist, or someone shopping for a thoughtful and practical gift, investing in quality pressure relief devices is an investment in safe, confident adventures beneath the surface.