SHERWOOD MAXIMUS PRO
$772.90
After years of development, engineering and design the MAXIMUS is back. A high performance regulator built to withstand the rigors of the cold and the deep. The MAXIMUS brings with it the most recognizable and unique features that its predecessor carried: the Under Arm Swivel with an extended 41 inch hose, and the extremely comfortable Wisdom Mouthpiece. But this regulator also has several new features that make this regulator unique, such as a One-Touch Adjustment, a SMART Demand Lever, a High Performance Valve Design, and an oversized purge cover. New powerful and edgy cosmetics will give the Maximus a leg up on all the competition.
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Scroll down for more information.
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1st stage: To keep the internal parts of the MAXIMUS PRO free from dirt, that can cause it to malfunction, it is completely environmentally sealed. The piston/spring chamber is surrounded by a membrane. This membrane doesn't move the piston like a diaphragm design 1st stage would, it's purpose is solely to seal the chamber without using sticky grease or oils while allowing the air pressure inside the chamber to adjust according to the ambient pressure, thus adjusting spring tension and creating a balanced 1st stage. A pneumatically balanced regulator ensures you get the same amount of air delivered whether you are at 3,000 psi or 500 psi thus improving the diving experience.
Our personal note: all SHERWOOD regulators except the SR2 have the same 1st stage.
2nd stage: The MAXIMUS PRO features a SMART Demand Lever - the orifice is not screwed into its base, it can move. The sharp edge of the orifice is the part that is sealing against the teflon seat of the 2nd stage when you are not inhaling to stop the airflow. In common systems, when the reg is not used, these 2 parts are resting against each other, meaning the sharp edge of the orifice is cutting into the seat.
With the MAXIMUS PRO these 2 parts don't rest on each other and the seat doesn't get used while in storage. Only when you turn on the tank (put air in the system) the flow of air will push the orifice against the seat, creating the seal.
Wisdom Mouthpiece: the longer co-molded mouthpiece allows your molars and wisdom teeth to hold onto the 2nd stage, using your larger teeth to hold onto the regulator reduce jaw fatigue. Additionally, the mouthpiece uses two different silicones with a soft black silicone under your lips but a firmer color tabs that provide tremendous comfort.
One-Touch Adjustment- Like the SR2, the Maximus has only one adjustment which uses a large easy to use knob which adjusts both flow and Venturi effect.
The 2nd stage is attached with a swivel to a 41" hose to route the hose comfortable underneath the arm, being out of the way and streamlined.
Average work of breathing less than 0.75 J/L (@ RMV = 62.5 l/min, depth = 50 m, service pressure = 50 bar) - Designed for cold water diving and Nitrox ready up to 40%
1st stage- Body material: marine-grade, chrome-plated brass
- Mechanically balanced flow-through piston
- Environmentally sealed
- 2 HP ports, 3/8" thread
- 4 LP ports, 7/16" thread
- Available in INT (DIN conversion kit available here)
- Weight INT: 2lbs/910g
2nd stage- Air-balanced
- Casing material: glass-filled polyamide
- Valve housing (barrel) material: plastic
- One-touch performance adjustment (2-in-1 inhalation effort and venturi system)
- SMART Demand Lever
- Anodized aluminium heat sink
- Average work of breathing less than 0.75 J/L
Service interval: 12 months -
Ships within: 1-4 business days.
All SHERWOOD SCUBA 1st and 2nd stages are covered by a 2 years limited manufacturer's warranty and participate in the "parts for lifetime" program. Restrictions apply (valid for original owner and at regular service intervals)!
Useful links:
SHERWOOD SCUBA's product registration
Related Items
SCUBAPRO MK2 EVO/R195
$679.99
- This is a good entry-level reg for medium to warm water temperatures. It is a proven and reliable reg system, easy to maintain, easy to use and easy on the budget.
1st stage: The MK2 EVO is a downstream piston-style first stage. It comes with SCUBAPRO's patented Extended Thermal Insulating System (XTIS) fully isolating the mechanical elements of the first stage from the cold and hereby increasing freezing resistance by an average of 50 percent over the previous MK2 first stage.
A new spring insulating bushing and coating, insulating piston bushing, insulating sleeve and a new antifreeze cap contribute to the increase in freezing resistance.
Its body is 3.5mm smaller than its predecessor but houses an oversized piston by 1.6mm that provides better breathing performance by increasing airflow by 15 percent.
2nd stage: The R195 combines a classic downstream valve with a large diaphragm, functional purge button and VIVA switch for smooth and easy operation. It is a robust and reliable entry-level 2nd stage with reversible hose attachment. -
Nitrox ready up to 40%
1st stage- Body material: marine-grade, chrome-plated brass
- Classic downstream piston - unbalanced
- 1 HP ports
- 4 LP ports
- Available in INT and DIN 300
- Airflow at 2900psi: 3000 l/min = 106SCFM
- Intermediate pressure: 130-142psi/9-9.8bar
- Weight: INT: 1.56lbs/706g - DIN: 1lbs/454g
2nd stage- Classic downstream valve - unbalanced
- Valve housing (barrel) material: metal
- Venturi system (dive/pre-dive switch)
- Weight: 0.44lbs/198g (without hose)
- Airflow at 2900psi/200bar: 1400 l/ min = 50 SCFM
Service interval: 24 months or 100 dives - whichever comes first - Ships within: 1-4 business days.
All SCUBAPRO 1st and 2nd stages are covered by a limited lifetime warranty.
Useful links:
SCUBAPRO's regulator comparison chart
SCUBAPRO product registration
SCUBAPRO MK25 EVO/A700
$1,689.99
- The MK25 EVO/A700 combination is the best-breathing regulator in SCUBAPRO's line!
1st stage: Since its release in 2004 the MK25’s quickly made it to the very top of piston design regulators. It is very durable, reliable and delivers extra-high and effortless airflow, regardless of depth, tank pressure or breathing rate. Since 2016 the MK25 benefits from another substantial upgrade, SCUBAPRO's patented Extended Thermal Insulating System (XTIS), giving the reg its new name: MK25 EVO. The system let’s you enjoy all the advantages of an MK25 - regardless of how cold the water is! The XTIS makes this possible by fully isolating the mechanical elements of the first stage from the cold, increasing its freezing resistance 30 percent over the - already very freezing resistant - prior MK25 without compromising breathing performance. The key insulation system components are visible in blue.
New spring insulating coating, body insulating bushing, anti-freeze cap, bigger body and cap thread all work in concert with the XTIS to improve cold-water performance.
The MK25 EVO features a swivel turret with five high-flow LP ports (high flow ports deliver about 15 percent more air than conventional low pressure ports). It also has an external intermediate pressure adjustment that allows technicians to maintain peak performance without the need for disassembly.
2nd stage: the A700’s is an air-balanced regulator. Its casing is full metal to take advantage of the extremely high heat exchange rate which makes this second stage such a great choice for cold-water diving. In addition the metal case construction enables the use of a larger diaphragm inside a very compact casing for an ease of exhalation that is unmatched. The air-balanced system provides effortless breathing in any situation. - Designed for cold water diving and Nitrox ready up to 40%
1st stage- Body material: marine-grade, chrome-plated brass
- Patented XTIS (Extended thermal Insulating system)
- Air-balanced flow-through piston
- 2 HP ports
- 5 LP ports
- Swivelling turret head
- Available in INT and DIN 300
- Airflow at 2900psi: >8500 l/min = 301SCFM
- Intermediate pressure: 130-142psi/9-9.8bar
- Weight: INT: 1.74lbs/790g - DIN: 1.26lbs/572g
2nd stage- Air-balanced
- Casing material: nylon fiberglass
- Casing & Valve housing (barrel) material: metal
- Inhalation effort adjustment knob
- Venturi system (dive/pre-dive switch)
- Weight: 0.58lbs/265g (without hose)
- Airflow at 2900psi/200bar: 2000 l/min = 71SCFM
- Maximum low pressure: 203psi/14bar
Service interval: 24 months or 100 dives - whichever comes first - Ships within: 1-4 business days.
All SCUBAPRO 1st and 2nd stages are covered by a limited lifetime warranty.
Useful links:
SCUBAPRO's regulator comparison chart
SCUBAPRO product registration
SCUBAPRO MK25 EVO/A700 CARBON BLACK TECH
$2,339.99
- The MK25 EVO/A700 combination is the best-breathing regulator in SCUBAPRO's line. Both first and second stage have a BLACK TECH scratch- and corrosion-resistant coating that protects against the strains of technical diving and the ravages of salt water. This durable coating includes an inner layer of chemical Nickel (FDA approved) and an outer glossy DLC (Diamond Like Carbon) finish
1st stage: Since its release in 2004 the MK25’s quickly made it to the very top of piston design regulators. It is very durable, reliable and delivers extra-high and effortless airflow, regardless of depth, tank pressure or breathing rate. Since 2016 the MK25 benefits from another substantial upgrade, SCUBAPRO's patented Extended Thermal Insulating System (XTIS), giving the reg its new name: MK25 EVO. The system let’s you enjoy all the advantages of an MK25 - regardless of how cold the water is! The XTIS makes this possible by fully isolating the mechanical elements of the first stage from the cold, increasing its freezing resistance 30 percent over the - already very freezing resistant - prior MK25 without compromising breathing performance. The key insulation system components are visible in blue.
New spring insulating coating, body insulating bushing, anti-freeze cap, bigger body and cap thread all work in concert with the XTIS to improve cold-water performance.
The MK25 EVO features a swivel turret with five high-flow LP ports (high flow ports deliver about 15 percent more air than conventional low pressure ports). It also has an external intermediate pressure adjustment that allows technicians to maintain peak performance without the need for disassembly.
2nd stage: ike the original A700, the A700 CARBON's casing is full metal to take advantage of the extremely high heat exchange rate which makes this second stage such a great choice for cold-water diving. The metal case construction enables the use of a larger diaphragm inside a very compact casing for an ease of exhalation that is unmatched.
The screw-down front cover, in place of metal, is hand-made out of carbon fiber - the same material you find on aircraft and high-speed race cars. Carbon fiber is extremely lightweight and, unlike metal that can change shape when dropped or struck against a hard object, carbon fiber can resist substantial shocks without damage.
An effortless breather... it's now just lighter and tougher. - Designed for cold water diving and Nitrox ready up to 40%
1st stage- Body material: marine-grade, chrome-plated brass with Black-Tech coating
- Patented XTIS (Extended thermal Insulating system)
- Air-balanced flow-through piston
- 2 HP ports
- 5 LP ports
- Swivelling turret head
- Available in INT and DIN 300
- Airflow at 2900psi: >8500 l/min = 301SCFM
- Intermediate pressure: 130-142psi/9-9.8bar
- Weight: INT: 1.74lbs/790g - DIN: 1.26lbs/572g
2nd stage- Air-balanced
- Casing material: nylon fiberglass
- Casing & Valve housing (barrel) material: metal
- front cover material: carbon fibre
- Inhalation effort adjustment knob
- Venturi system (dive/pre-dive switch)
- Weight: 0.51lbs/233g (without hose)
- Very compact
- Airflow at 2900psi/200bar: 2000 l/min = 71SCFM
- Maximum low pressure: 203psi/14bar
Service interval: 24 months or 100 dives - whichever comes first - Ships within: 1-4 business days.
All SCUBAPRO 1st and 2nd stages are covered by a limited lifetime warranty.
Useful links:
SCUBAPRO's regulator comparison chart
SCUBAPRO product registration
SCUBAPRO MK25 EVO/G260
$1,349.99
- This rugged reg system delivers solid breathing performance in all diving conditions and water temperatures. It is a great choice for technical divers, as the combination allows the greatest variety of hose routing to optimize your equipment configuration.
1st stage: Since its release in 2004 the MK25’s quickly made it to the very top of piston design regulators. It is very durable, reliable and delivers extra-high and effortless airflow, regardless of depth, tank pressure or breathing rate. Since 2016 the MK25 benefits from another substantial upgrade, SCUBAPRO's patented Extended Thermal Insulating System (XTIS), giving the reg its new name: MK25 EVO. The system let’s you enjoy all the advantages of an MK25 - regardless of how cold the water is! The XTIS makes this possible by fully isolating the mechanical elements of the first stage from the cold, increasing its freezing resistance 30 percent over the - already very freezing resistant - prior MK25 without compromising breathing performance. The key insulation system components are visible in blue.
New spring insulating coating, body insulating bushing, anti-freeze cap, bigger body and cap thread all work in concert with the XTIS to improve cold-water performance.
The MK25 EVO features a swivel turret with five high-flow LP ports (high flow ports deliver about 15 percent more air than conventional low pressure ports) for optimal hose routing. It also has an external intermediate pressure adjustment that allows technicians to maintain peak performance without the need for disassembly.
2nd stage: The G260 SCUBAPRO is air balanced for easy breathing at all times and made of a rugged, nylon fiberglass casing with freeze-resistant components, fitted with a dark anodized aluminum ring. Inside you have metal components (inlet tube, orifice, inhalation control knob and hose connector) to ensure excellent cold-water performance. It also offers a left-right hose attachment option, making it a great choice for tech diving configurations. - Designed for cold water diving and Nitrox ready up to 40%
1st stage- Body material: marine-grade brass
- Patented XTIS (Extended thermal Insulating system)
- Air-balanced flow-through piston
- 2 HP ports
- 5 LP ports
- Swivelling turret head
- Available in INT and DIN 300
- Airflow at 2900psi: >8500 l/min = 301SCFM
- Intermediate pressure: 130-142psi/9-9.8bar
- Weight: INT: 1.74lbs/790g - DIN: 1.26lbs/572g
2nd stage- Air-balanced
- Casing material: nylon fiberglass
- Valve housing (barrel) material: metal
- Inhalation effort adjustment knob
- Venturi system (dive/pre-dive switch)
- Anodized aluminium heat sink
- Left-right hose attachment
- Weight: 0.6lbs/275g (without hose)
- Airflow at 2900psi/200bar: 1800 l/ min = 64 SCFM
- Maximum low pressure: 203psi/14bar
Service interval: 24 months or 100 dives - whichever comes first - Ships within: 1-4 business days.
All SCUBAPRO 1st and 2nd stages are covered by a limited lifetime warranty.
Useful links:
SCUBAPRO's regulator comparison chart
SCUBAPRO product registration
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