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About APEXS Free-Flow Control Device

Regulators not designed for cold water use are especially prone to freezing. APEXS simple yet extremely effective Free-Flow Control Device contributes a significant advance in diver safety. In the event of 2nd stage freezing, Free Flow can cause catastrophic loss of air. With the Free Flow Control Device fitted to your regulator, a simple sliding action allows the diver to isolate the free flowing 2nd stage and continue the dive using a secondary air source or alternatively, the diver can manually control the air flow allowing a safe ascent to the surface. The Free Flow Control Devise is designed to fit all regulators that use the standard 9/16" UNF hose fitting.

Easy to install on standard hoses placed between the hose and the second stage regulator for quick and easy shut-off of air or to allow air flow to continue. Just slide the Ribbed Slide Collar to Shut-Off or Turn-On Gas Flow. Slide is made from Durable Machined DELRIN and the Ribbed Texture makes it easy to operate even when wearing gloves. Inline Shut-Off has 9/16-18 UNF Male Inlet to 9/16-18 UNF Female Outlet Threads. Inline Shut-Off is commonly used with Deco Rigs and Stage Bottles and can prevent Critical Gas Loss due to cold water diving, free-flow caused when entering water through surf or off the back of a boat. Inline Shut-Off will also stop on wanted free-flow caused by currents, which is really handy with Deco-Rigs or Stage Bottles that may be left unattended at Decompression and Safety Stops. Inline Shut-Off is for use with Low Pressure Only below 200 psi (13.8 bars). Threaded Couplings are made from Marine Grade Brass for strength and durability. The Free-Flow Control Device is covered by a Limited Lifetime Warranty.

Warranty Information

This product has a limited lifetime warranty.


APEXS Free-Flow Control Device Features

  • Install Between Standard Regulator Hose and Second Stage
  • 9/16-18 UNF Male Inlet to 9/16-18 UNF Female Outlet Threads
  • Marine Grade Brass Fittings
  • Slide Machined DELRIN Collar to Shut-Off Gas Flow
  • Prevent Critical Gas Loss
  • Commonly used with Deco Rigs, Stage Bottles and Cold Water Diving
  • Low Pressure Use Only - Below 200 psi (13.8 bars)
  • Limited Lifetime Warranty

APEXS Free-Flow Control Device Specifications

Hp Or Lp
Lp
Materials
Threaded Fittings: Brass, Slide: Delrin
Thread Size
9/16-18 Unf Male Inlet To 9/16-18 Unf Female Outlet Threads
Working Pressure
200 Psi (13.8 Bars) Or Below
Purpose
Free-Flow Control
Weight [with packaging]
0.35 lb
Mfr #
SKU
SQTAFCD

APEXS Free-Flow Control Device Customer Reviews

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Apeks Free-Flow Control Device
 
4.5

(based on 2 reviews)

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Reviewed by 2 customers

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4.0

easy to use

By happy58900

from brisbane aust

About Me Advanced

See all my reviews

Verified Buyer

Pros

  • Easy To Use
  • Functional
  • Lightweight
  • Solid Construction

Cons

    Best Uses

    • All Diving Applications
    • Professional
    • Recreation
    • Warm Water

    Comments about Apeks Free-Flow Control Device:

    [...]

    Comment on this review

    (1 of 1 customers found this review helpful)

     
    5.0

    safety item

    By rb

    from buffalo ny

    About Me Advanced Diver

    Verified Buyer

    Pros

    • Easy To Use
    • Functional
    • Improves Diving Experience

    Cons

      Best Uses

      • Cold Water
      • Extreme Depths
      • Professional

      Comments about Apeks Free-Flow Control Device:

      nice to have incase you have a second stg freeflow. I have at 150 ft and now will not dive without this backup valve.

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      Q&A

      Questions & Answers Powered by TurnTo®

      Questions about this item:

      Shopper  what's the diff between this and the XS Scuba version?
      Marilyn S  This works the same as the Highland by XS Scuba Inline Shut-Off at Second Stage and has the same threading.
      Shopper  Will it work with other regs/Octos?
      MARTIN B  I've used it with many different regs, USD, Sherwood, Scuba Pro, just too name a few. It works really well, but if you have it on both regs, you may want to add an over pressure relief valve to your 1st stage.
      Shopper  Will it work with other regs/Octos?
      MARTIN B  I've used it with many different regs, USD, Sherwood, Scuba Pro, just too name a few. It works really well, but if you have it on both regs, you may want to add an over pressure relief valve to your 1st stage.
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