Nautilus Bypass Piston Regulator Set

Rugged Reliability Meets Precision Breathing

The Nautilus Bypass Piston Regulator Set combines a durable, corrosion-resistant first stage with a precision-balanced adjustable second stage — delivering dependable performance, effortless breathing, and complete diver control in one streamlined system.

Designed for recreational divers, dive schools, and rental fleets alike, this regulator set balances simplicity with performance. Whether you’re diving Mandurah’s local sites, training new divers, or travelling to tropical reefs, this system is built to perform dive after dive.

First Stage – Nautilus Bypass Piston

Simple. Reliable. Built for Adventure.

The first stage features a classic flow-by piston design, engineered for reliability with minimal moving parts. This proven architecture ensures stable intermediate pressure delivery and long service life — ideal for high-use environments and straightforward maintenance.

Constructed from 304 Grade Stainless Steel, it offers exceptional resistance to corrosion, even after repeated exposure to saltwater and sand.

First Stage Highlights:

• Flow-By Piston Design for durability and consistency

• 304 Grade Stainless Steel construction

• Yoke configurations available

• 5 LP & 1 HP ports for flexible hose routing

• Low-maintenance internal architecture

Second Stage – Nautilus Balanced Adjustable

Precision Breathing. Tailored Performance.

Paired with the robust first stage is a balanced adjustable second stage, delivering smooth, natural airflow regardless of depth or tank pressure.

The adjustable inhalation control knob allows divers to fine-tune breathing resistance, while the venturi control switch prevents surface free-flow and optimises airflow underwater.

Lightweight and ergonomically designed, it reduces jaw fatigue and enhances comfort during extended dives.

Second Stage Highlights:

• Balanced valve design for consistent breathing

• Adjustable inhalation control for personalised performance

• Venturi switch for surface and underwater control

• Streamlined, lightweight housing

• Ergonomic silicone mouthpiece

Why Choose the Nautilus Bypass Regulator Set?

• Combines rugged durability with adjustable performance

• Ideal for recreational divers, training programs, and rental fleets

• Simple to service, dependable in varied conditions

• Built for long-term value without unnecessary complexity

From entry-level divers seeking reliability to experienced divers wanting control and comfort, the Nautilus Bypass Regulator Set delivers confidence with every breath.

Available now at Oceano Dive Centre — your trusted home of Nautilus Underwater Equipment.