Zeagle F8 Regulator

A Review

Zeagle F8 Regulator Review

Overview

This Zeagle F8 review shows that it is not just a functionally robust diving regulator, it is also an aesthetically appealing piece of diving gear. Made with a chrome plated marine brass first stage, it shows a very sleek and ergonomic piece. The first stage is designed with a balanced diaphragm that is environmentally sealed from all forms of dirt. To do this, the membrane of the diaphragm is designed to convey the change in pressure to the internal mechanism which eliminates the instance of water sipping into the gear.

In action, this design has its merit and it lives to the fullest in the light of that. The benefit of the first stage like this one is that it totally seal off and prevent contaminants of all kinds such as sand, chlorine, salt, or any other acid from getting into the regulator or affecting the workings. If they gain entrance of access into the regulator, these contaminating elements are known to cause corrosion in heavy degree.

For the second stage, the F8 is a highly compact and light gear that has smooth edges and soft parts. The purge cover, which takes up the whole front of the reg, is soft and rubbery, the breathing adjustment knob is a full inch in diameter and ringed with soft rubber, while the Venturi lever is one of the easiest to reach and operate.

The Zeagle F8’s first stage, much like the second stage, has a dry-sealed spring chamber for optimal protection. All delicate parts of the 1st stage including the main spring are sealed behind the clear hydrostatic diaphragm away from the effects of salt or other contaminants in the water, making it environmentally sealed. It is very low in profile, barely extending above the tank valve, and places the low-pressure hoses directly out to the sides, in a pattern preferred by many divers.

The Zeagle F8 also has a conical precision high-pressure valve provides much greater reliability and service life compared to conventional designs, while improving responsiveness and performance at all breathing rates.

The F8 has a new threaded cover ring for improved safety and new heat sink with improved materials and greater surface area to dissipate cold. New zirconium plated inlet tube for increased corrosion resistance, new inhalation diaphragm with improved response and tear strength and a newly redesigned poppet with improved tolerances. The F8 has a patented seat saving orifice, new low-pressure second stage seat and a new second stage spring made from super alloy.

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Specs

First Stage Balanced Diaphragm
LP Ports 5 Low Pressure 3/8 Inches Thread – 24 UNF
HP Ports 2 High Pressure 7/16 Inches Thread – 20 UNF
Second Stage Type Inhalation Effort and Dive/Pre Dive Venturi (Free Flow) Switch
Nitrox Compatibility Up to 40% O2
Material First Stage: Body Chromed with PVD Black Finished Brass, Piston: Composite/Stainless Steel, Second Stage: Case Chromed with PVD Black Finished Brass, Valve Housing, Chromed Brass, Cover, Carbon Fiber
Hose Thread 3/8 Inches
Hose Length 30 Inches (76 cm)
Total Weight 2.56 lbs. (1,161 g)


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Features

  • New Flagship Regulator Model
  • Completely New Platform Second Stage Design
  • Hose Length: 30″ (76 cm)
  • Weight: Approximately 2.56 lbs (1,161 g)
  • Factory Ready: EAN/ NITROX to 40% O2
  • Balanced Diagram Design
  • Inherently Environmentally Sealed
  • Dry Environmental Seal with Hydro Transmitter
  • Precision Stainless Steel HP Valve with Advanced-Polymer Seat
  • HP Valve: Improves Responsiveness and Performance at All Breathing Rates
  • High-Performance Porting
  • 5 Low Pressure 3/8″ Threaded Ports
  • 2 High Pressure 7/16″ Threaded Ports
  • Downstream Valve
  • Pneumatically Balanced Design
  • Dive/Pre-Dive Venturi Control
  • Diver Adjustable Inhalation Resistance
  • Anti-Freeze Heat Transfer Device
  • More than 20 New Improvements
  • New Compact Profile
  • New Case Snap-In Insert to Personalize F8 for Color Style
  • New Front Cover: Anti-Surge & Stylized Z” Logo
  • New Smaller Mouthpiece: Super Soft Silicone, Color Accented Tear-Resistant Bite” Lugs
  • New Exhaust Valve with Improved Dryness & Lower Exhalation Effort
  • New Inhalation Effort Control Knob: Better Grip and Style
  • New Threaded Cover Ring for Improved Safety
  • New Heat Sink w/Improved Materials & Greater Surface Area to Dissipate Cold
  • New Zirconium Plated Inlet Tube for Increased Corrosion Resistance
  • New Inhalation Diaphragm with Improved Response and Tear Strength
  • Newly Redesigned Poppet with Improved Tolerances
  • Patented Seat Saving Orifice
  • New Low-Pressure Second Stage Seat
  • New Second Stage Spring made from Super Alloy


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Pros and Cons

  • PROS:
    • Factory ready EAN/ NITROX to 40% O2
    • 1st stage balanced diaphragm design
    • Environmentally sealed yoke type regulator
    • Pneumatically balanced demand valve at second stage
    • Diver adjustable inhalation resistance

    CONS:
    • Slightly heavy
    • Metal and Stainless Material are more prone to corrosion than Titanium

 

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Editors’ Opinion

Zeagle F8 is an ideal regulator that provides much greater reliability and service life compared to conventional designs, while still improving responsiveness and performance at all breathing rates. The diver that knows what he wants should have this regulator.

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