• Refine by >
      • 143 products from 54 stores for

        diaphragm 1st stage

        Ads
  • departments

  • Show Only

  • prices

  • Colors

    Filter by color:
    Adjust your color:
  • stores

    • More ...
  • marketplaces

  • brands

    • More ...
  • payment types

  • certifications

  • Tusa RS-670 Balanced Diaphragm Scuba Diving Regulator 1st & 2nd Stage

    Yoke Features: The RS-670 is one of TUSA's latest regulators to deliver quality performance in a compact lightweight travel-friendly system. Improving upon the the R-500 series released in 2008, the R-600 is paired with the S-70 second stage. The newly designed ultra-compact balanced diaphragm R-600 first stage is incredibly small and weighs only 630g. The R-600 is configured with 2 HP and 4 LP ports allowing for versatile hose placement. The R-600 is also available in a DIN version. The newly designed S-70

    Highlights:

  • DS4 1st Stage - DIN

    As the diver descends the demand for air increases. To maintain the supply, the intermediate pressure increases relative to the water depth. In this dry sealed system hydrostatic pressure, acting on the outer sealing diaphragm, is transmitted to the primary diaphragm via the load transmitter. This first stage utilizes a unique over-tracking (over-balanced) diaphragm design, where the intermediate pressure supplied to the second stage increases more than traditional balanced models, as the diver descends to

    Highlights:

  • Scubapro Subgear - Sg50 1st & 2nd Stage Scuba Dive Regulator

    ScubaPro SubGear - SG50 1st 2nd Stage Scuba Dive Regulator Balanced sealed diaphragm 1st stage which is perfect for cold water diving, coupled with a Powerflow Downstream valve 2nd stage, offers reliable and high airflow which proves the work of breathing compared to a classic downstream valve, with complete adjustment options. The SG50 is the best choice for the valve-conscious advanced diver.First Stage Balanced sealed diaphragm and dry chamber Chromed plated Marine graded brass Air delivery:

    $499.00
    • Free shipping

    Highlights:

  • Scuba Max Dive Regulator Diaphragm Balance 1st Stage Only

    Scuba Max proven balanced diaphragm 1st stage regulator ONLY. Stable regulator with great performance. It features 4 intermediate pressure ports that are mounted on a swivel that enables divers to adjust hoses to the most convenient position. The two high pressure ports can be used with pressure gauges, computers, and hoseless transmitters. Pneumatically balanced diaphragm 1st stage. Max. working pressure of 35000 psi. Intermediate pressure: 130-138 psi. High pressure port: (7/16-20)x2. Low pressure port:

    $184.60
    • Free shipping

    Highlights:

  • DS4 1st Stage - Yoke

    As the diver descends the demand for air increases. To maintain the supply, the intermediate pressure increases relative to the water depth. In this dry sealed system hydrostatic pressure, acting on the outer sealing diaphragm, is transmitted to the primary diaphragm via the load transmitter. This first stage utilizes a unique over-tracking (over-balanced) diaphragm design, where the intermediate pressure supplied to the second stage increases more than traditional balanced models, as the diver descends to

    Highlights:

    Designer, Traditional, Performance, Water
  • Scubapro - Mk17 Yoke 1st Stage Scuba Dive Regulator (manufacturer's Warranty)

    ScubaPro - MK17 Yoke 1st Stage Scuba Dive Regulator Balanced technology provides consistent performance at all tank pressures, at any depth and optimizes the second stage performance .Balanced diaphragm design, with ultra-fast flow to the second stage to obtain the lowest possible work of breathing at depth.Technical Information MK17 First Stage Balanced diaphragm Chrome plated brass body Cold water: Anti-Freeze protection Dry chamber Externally adjustable intermediate pressure Low pressure port

    $289.00
    • Free shipping

    Highlights:

  • H2Odyssey RXL DIN Balanced Diaphragm 1st stage only

    H2Odyssey RXL DIN Balanced Diaphragm 1st stage only H2Odyssey RXL DIN Balanced Diaphragm 1st stage only $169 .20 RG -1D Rating : Shipping :

    Highlights:

  • Hollis DC2 First Stage Only

    "The Hollis DC2 1st Stage Regulator is a Compact and Streamlined Over-Balanced Diaphragm Regulator Design that provides progressively greater intermediate pressure as depth and gas density increases for superior gas delivery under the most extreme conditions. The diaphragm membrane transmits the pressure changes to the internal mechanism eliminating the need for the surrounding water to enter the intricate mechanism. The benefit of this type of first stage design is that none of the internal parts are

    $164.95
    • Free shipping

    Highlights:

  • Tilos Gemini 1st And 2nd Stage Scuba Dive Regulator Includes Free Regulator Bag

    Tilos - Gemini 1st and 2nd Stage Scuba Dive Regulator (NITROX Ready)*** FREE REGULATOR BAG INCLUDED ***First Stage Balanced diaphragm 4 low pressure ports 2 high pressure ports Compact and lightweight Nitrox ready Second Stage Non-adjustable Excellent breathing performance High grade chromed brass air supplier sleeve Silicone diaphragm and exhaust valve *** FREE REGULATOR BAG *** (Regularly a $35.00 retail Value) Material: 420 Denier Nylon/Mesh Velcro hose holder inside Mesh bottom corners of b

    $329.00
    • Free shipping

    Highlights:

  • Hog D3 DIN 1st Stage Non Sealed

    Hog D3 DIN 1st Stage Non Sealed Hog D3 DIN 1st Stage Non Sealed Hog D3 DIN 1st Stage Non Sealed HOG’s newest and best Diaphragm Regulatro Yet. Balanced Diaphragm, 2 HP and 5 LP Ports, Compact size, routes like a balanced piston but is a Diaphragm! 5 Port LP Swivel rotates 360 degrees with hoses, unlike most tech swivel regulators. Higher performance than the HOG D1. First Stage Only Balanced 1st Stage, Swivel 1st Stage HOG-0375

    Highlights:

  • Cressi Sub Mc9 Ellipse Balanced Scuba Regulator Environmentally Sealed 1st Stage

    Cressi Sub MC9 Ellipse Balanced Scuba Regulator Environmentally Sealed 1st Stage This is a fantastic price on a Cressi Sub MC9 Ellipse Balanced Scuba Regulator Environmentally Sealed 1st Stage. This great Cressi Sub MC9 Ellipse Balanced Scuba Regulator Environmentally Sealed 1st Stage features: 2nd STAGE ELLIPSE BALANCED Ellipse Balanced has a slightly larger casing which is made from a sound absorbing material New diaphragm that further improves the already very low inhalation effort of Ellips

    $499.98
    • Free shipping

    Highlights:

  • Diaphragm 1st stage with O10 adjustable 2nd stage

    Diaphragm 1st stage with O10 adjustable 2nd stage Product Description The new flagship regulator has all the performance and style that a diver needs. The R4 first stage utilised the well proven balanced diaphragm design to satisfy even the most demanding diver. Along with our award winning second stage, this combination is unbeatable. R-4 First stage features: New balanced diaphragm design with outstanding flow characteristics. The intermediate pressure drop is kept to a minimum even with heavy flow

    $229.95
    • Sale

    Highlights:

  • H2Odyssey RXL Balanced Diaphragm 1st stage only

    H2Odyssey RXL Balanced Diaphragm 1st stage only H2Odyssey RXL Balanced Diaphragm 1st stage only $169 .20 RG -1Y Rating : Shipping :

    Highlights:

  • Zeagle Onyx CW DIN First Stage Only

    The ZEAGLE Onyx Regulator outperforms many, much more expensive regulators with outstanding reputations - why? The Internal-Structure allows Direct-Airflow through the 1st Stage, providing Lower-Turbulence for Outstanding -Performance . ZEAGLE's Conical Precision Stainless Steel High-Pressure Valve Advanced Polymer Seat provides much Greater-Reliability and Service Life compared to conventional designs, while Improving -Responsiveness . ZEAGLE's Regulators are US made, Built Under-Strict Controls for

    $319.95
    • Free shipping

    Highlights:

  • Sherwood Blizzard Cold Water 1st & 2nd Stage Scuba Diving Regulator

    This is the Sherwood Blizzard Cold Water 1st & 2nd Stage Scuba Diving Regulator Features: Second Stage Features Patented Heat Retention Vane collects warmth from exhalation. Reduces tendency to freeze Diver-Operated flow control switch Nitrox Ready up to 40% Larger Diaphragm for optimal response to inhalation Larger exhaust valves for decreased exhalation resistance Teflon coated Valve Body. Reduces tendency to freeze Resilient silicone rubber seat Free Parts for Life (Restrictions Apply) First Stage

    $399.95
    • Free shipping

    Highlights:

  • Hog D3 Yoke 1st Stage Sealed

    Hog D3 Yoke 1st Stage Sealed Hog D3 Yoke 1st Stage Sealed Hog D3 Yoke 1st Stage Sealed HOG’s newest and best Diaphragm Regulatro Yet. Balanced Diaphragm, 2 HP and 5 LP Ports, Compact size, routes like a balanced piston but is a Diaphragm! 5 Port LP Swivel rotates 360 degrees with hoses, unlike most tech swivel regulators. Higher performance than the HOG D1. First Stage Only Balanced 1st , Swivel 1st HOG-0382 This Item: Hog D3 Yoke 1st Stage Sealed Hog Zenith Chrome Second Stage $179.95 Hog Zenith Black

    Highlights:

    Rotatable, Performance, Chrome, Total, Compact Size
  • Tilos - Proteus Scuba Dive 1st & 2nd Stage Regulator Includes Free Regulator Bag

    Tilos - PROTEUS 1st 2nd Stage Scuba Dive Regulator Includes ***FREE REGULATOR BAG*** First Stage Balanced diaphragm 4 low pressure ports (swivel) 2 high pressure ports Second Stage Adjustable High impact plastic High grade chromed brass Stainless steel lever and spring Adjustable orifice and venturi *** FREE REGULATOR BAG*** (Regularly a $35.00 Retail Price) Material: 420 Denier Nylon/Mesh Velcro hose holder inside Mesh bottom corners of bag for ventilation YKK zipper Shoulder strap Size: 14" x

    $259.95

    Highlights:

  • H2Odyssey Balanced Diaphragm 1st Stage

    > H2Odyssey Balanced Diaphragm 1st Stage > H2Odyssey Balanced Diaphragm 1st Stage > H2Odyssey Balanced Diaphragm 1st Stage > H2Odyssey Balanced Diaphragm 1st Stage H2Odyssey Balanced Diaphragm 1st Stage $170.96 Reg Price $215.00 Item# RG3V (20% Savings ) Quantity Product Description Balanced diaphragm 1st stage Forged brass Environmentally sealed On/off valve Great for redundant systems and rebreathers 2 HP and 3 LP ports Warranty Information This product has a limited warranty of 12 months. Learn More

    Highlights:

  • Zeagle FH 7 DIN First Stage Only

    The ZEAGLE Flat Head 7 (FH 7) is the Flagship of ZEAGLE's Regulator Line ZEAGLE Regulators are US made, built under Strict-Controls for Quality in ZEAGLE's own factory, using State-of-the-Art Equipment and Procedures. Your Regulator is one of your most important pieces of gear. No matter what kind of diving you do, you can do it better with ZEAGLE. The FH 7 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

    $439.95
    • Free shipping

    Highlights:

  • Tusa RS-670 Balanced Diaphragm Scuba Diving Regulator 1st & 2nd Stage

    Tusa RS-670 Balanced Diaphragm Scuba Diving Regulator 1st & 2nd Stage The RS-670 is one of TUSA’s latest regulators to deliver quality performance in a compact lightweight travel-friendly system. Improving upon the the R-500 series released in 2008, the R-600 is paired with the S-70 second stage. 169reg dive regulators in Canada regulators in Canada Tusa Tusa dive products Tusa RS-670 Balanced Diaphragm Scuba Diving Regulator 1st & 2nd Stage Product Description Tusa RS-670 Balanced Diaphragm Scuba Diving

    Highlights:

  • Oceanic CDX 5 1st Stage Regulator, Non DVT, DIN

    Oceanic CDX 5 1st Stage Regulator, Non DVT, DIN OCE407621 Have a question about the Oceanic CDX 5 1st Stage Regulator, Non DVT, DIN ? Description OCEANIC CDX 5 1ST STAGE REGULATOR, NON DVT, DIN Excellent for ice diving (it won't freeze up) or diving in waters filled with contaminants or sediment (it won't corrode ) . Environmentally sealed, the diaphragm membrane transmits the pressure changes to the internal mechanism eliminating the need for the surrounding water to enter the intricate mechanism . The

    $279.95
    • Free shipping

    Highlights:

  • Scubapro - Mk2 Plus/ R195 1st & 2nd Stage Scuba Dive Regulator

    ScubaPro - MK2 PLUS/ R195 1st 2nd Stage Scuba Dive Regulator Bulletproof reliability and minimal maintenance make it the system of choice for demanding training centers as well as new divers.The R195 is a new design based on the heritage of the classic R190 second stage, re-engineered with modern features and materials. The R195 combines a classic downstream valve with a large diaphragm and classic purge button. Its simple and robust construction offers the utmost in reliability and makes the R

    $339.00
    • Free shipping

    Highlights:

  • OMS Balanced 1st Stage Diaphragm

    OMS Balanced 1st Stage Diaphragm OMS Balanced 1st Stage Diaphragm OMS Balanced 1st Stage Diaphragm Product Description OMS Balanced 1st Stage Diaphragm OMS-R236D

    Highlights:

  • Oceanic Scuba Diving Fdx-10 1St Stage, Non-DVT, Din

    Oceanic Scuba Diving Fdx-10 1St Stage, Non-DVT, Din Oceanic Scuba Diving Fdx-10 1St Stage, Non-DVT, Din $319.95 You will earn 320 points for purchasing this product . Details Oceanic Scuba Diving Fdx-10 1St Stage, Non-DVT, Din Even with the best laid dive plans, there are times you encounter conditions beyond your control. The Delta 4.2 is one hot new regulator ready to take on all challengers with a new stylish look and FDX-10 First Stage featuring DVT (Dry Valve Technology ) . Reliable , stable,

    Highlights:

  • Zeagle Onyx CW Yoke First Stage Only

    The ZEAGLE Onyx Yoke First Stage Regulator outperforms many, much more expensive regulators with outstanding reputations - why? The Internal-Structure allows Direct-Airflow through the 1st Stage, providing Lower-Turbulence for Outstanding -Performance . ZEAGLE's Conical Precision Stainless Steel High-Pressure Valve Advanced Polymer Seat provides much Greater-Reliability and Service Life compared to conventional designs, while Improving -Responsiveness and Performance. ZEAGLE's Regulators are US made, Built

    $319.95
    • Free shipping

    Highlights:

    Environment, Marine, Designer, Conventional, Directional, Manual, State Of The Art, Accessory, Chrome, Water, Control, High Performance, Stainless Steel, Performance
  • Zeagle Flathead LT Scuba Diving Regulator 1st and 2nd Stage

    350-8210 Yoke 350-8221 DIN with Adapter ( $709 .95 ) Features : The wide-open internal structure allows for direct and unrestricted airflow through the 1st stage, giving very low breathing resistance, even at great depths and high demands. 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. Zeagle’s conical precision high-pressure valve provides much greater reliability and service life

    Highlights:

  • High Performance Regulator adj 2nd Stage - Balanced Diaphragm Scuba Regulator

    High Performance Regulator adj 2nd Stage - Balanced Diaphragm Scuba Regulator R50-BK (R2 + O10) $169.95 (43% off ) Scubadiving .com review "IST Sports’ new R10 adjustable and R20 nonadjustable regulators dominated breathing simulator tests in this price group. The R20 not only earned a perfect score, it was able to exceed 300 feet at the maximum breathing rate, while maintaining a work of breathing of only 1.0 joule per liter – an outstanding achievement for a budget regulator. In-water tests show the R20

    $299.98
    • Sale

    Highlights:

  • Mares Prestige 12s 1st & 2nd Stage Balanced Scuba Diving Regulator

    Mares Prestige 12S 1st 2nd Stage Balanced Scuba Diving Regulator This is a fantastic price on a Mares Prestige 12S 1st 2nd Stage Balanced Scuba Diving Regulator. This great Mares Prestige 12S 1st 2nd Stage Balanced Scuba Diving Regulator features: First Stage Features: Balanced Diaphragm Design Tri-Material Valve DFC Chromed Marine Grade Brass Limited Lifetime Warranty Second Stage Features: Soft Purge Diaphragm with Mesh-Grid Mid-Size and Stylish VAD Downstream Valve Fluid Dynamic Deflector Ve

    $349.98
    • Free shipping

    Highlights:

  • Hog D3 Yoke 1st Stage Sealed

    Hog D3 Yoke 1st Stage Sealed Hog D3 Yoke 1st Stage Sealed Hog D3 Yoke 1st Stage Sealed HOG’s newest and best Diaphragm Regulatro Yet. Balanced Diaphragm, 2 HP and 5 LP Ports, Compact size, routes like a balanced piston but is a Diaphragm! 5 Port LP Swivel rotates 360 degrees with hoses, unlike most tech swivel regulators. Higher performance than the HOG D1. First Stage Only Balanced 1st , Swivel 1st HOG-0382 This Item: Hog D3 Yoke 1st Stage Sealed Hog Zenith Chrome Second Stage $179.95 Hog Zenith Black

    Highlights:

    Rotatable, Performance, Chrome, Total, Compact Size
  • DS4 1st Stage

    Stage Style As the diver descends the demand for air increases. To maintain the supply, the intermediate pressure increases relative to the water depth. In this dry sealed system hydrostatic pressure, acting on the outer sealing diaphragm, is transmitted to the primary diaphragm via the load transmitter. This first stage utilizes a unique over-tracking (over-balanced) diaphragm design, where the intermediate pressure supplied to the second stage increases more than traditional balanced models, as the diver

    Highlights:

  • Share:
  • About these links Ads