HPA (High Pressure Air)

Tested in house for proof of performance. 

Aluminium regulator body with black oxidation

Inlet thread: G1/2-14

Two Outlet threads: 1/8 npt

A Brass plug with chrome plated for Outlet port

The actual adjustable pressure range: 0-210ps

The pressure gauge displays pressure: 0-235ps

adjusted for 100±5 psi.

Burst disc: 1.8K psi

A set of spare  burst discs

1/8npt female head 2202

2 adjustment tools included in the box

Strike 40" Flexy HPA Line - Black

High Flex and super strong handling up to 280 PSI, which is comparable with hoses twice the price. whilst providing high flexibility and strong construction.

As with all Strike TW products, they are designed and sourced to provide exceptional quality and performance with even better pricing.

-US fittings

• Hight flow
• Flexible hose
• QD fittings
• Reinforced with a braided outer

Product Features:

• 0.8 litre / 48 cubic inch capacity
• 3000 PSI working pressure (207 bar)
• 311 bar hydro test pressure
• 800 PSI service output regulator
• Double O-ring regulator head design
• Integrated regulator assembly
• Standard 5/8-18UNF industry thread
• Designed for airsoft HPA engine systems
• Fill nipple with integrated filter
• Fill nipple protective cover included
• Seamless aluminium cylinder construction
• EN ISO7866 compliant cylinder
• UK Rho and EU PI 0035 dual certification
• Approximate empty weight 1.20kg
• Cylinder wall thickness 6.13mm
• Manufacture date marked 2026/01
• Deep black exterior finish

EPES Max Flow HPA low pressure regulator   - Recommended minimum inlet pressure 850 PSI / 58 Bar - For best results run between 60 and 80 PSI - Spare 0 rings and tools included - Simple and effective adjustment and install - Includes overpressure valve  

Premium silicon gun sav grease for lubricating:

• PolarStar HPA Engines
• Wolverine HPA Engines
• Redline HPA Engines
• Mancraft HPA Kits
• AEG Gears and Cylinders
• Regulators and Any O ring Seal Components.

Bite Sized Fusion Engine Winner of the "Best HPA Engine" in the 9th Airsoft Players Choice Awards, the dual solenoid design of the F2™ provides the same functionality as the legendary Fusion Engine™ but in a more compact, efficient and flexible design. Dual solenoids allow for the nozzle and the poppet valve to be adjusted independently of each other for unparalleled control over both the loading time and air volume used. Additionally, this makes it possible to change the firing sequence giving it the ability to operate in both true closed bolt as well as "AEG" mode. (PolarStar Filter Fitting now included) The F2™ incorporates a new one-piece, lightweight poppet valve design yet still operates on the same principle as the Fusion Engine™ poppet. This valve is able to operate at lower pressures and uses less air volume to function which optimizes air efficiency. A robust design allows for an operating pressure range of 45psi to 145psi which enables the F2™ to achieve velocities from CQB to DMR while employing only one nozzle for the entire velocity adjustment range. Additionally, its nozzle is spring biased forward which provides a consistent loading force regardless of operating pressure. It shares the same spring as the Fusion Engine™ with both light and heavy spring options available to adjust the loading force.

Gel Ball Compatible F2 HPA conversion kits can also be configured for use in gel ball systems.

Epes HPA Adapter MK2 for KWA / KSC   Foster US QD style coupling The new generation of the popular HPA adapter. Compared to the first version, the surface is blackened and there have been minor structural changes. Made of stainless steel, blackened.  

So, what makes the Kythera so unique?

Realistic Trigger What sets this system apart from other mechanical systems is the design of its trigger. The trigger mechanism is designed to replicate the function, weight and feel of a real single-action firearm trigger. It feels real because it is real. The hardened alloy steel sears catch and release the stainless steel spool valve in the same way the sears of a real firearm catch and release the hammer or striker. This gives the Kythera trigger the distinct break and reset you would expect to feel when firing a real single action firearm. The trigger mechanism in the Kythera SA is also adjustable, allowing the user to fine tune the weight and over travel. Additionally, the internal firing valve is balanced and the only force applied during firing is the main spring. This means the function and feel of the trigger is independent of input pressure and velocity.

Complete Shot Cycle The design of the Kythera SA completes a shot cycle on the trigger pull. This gives you the proven closed bolt performance of the Fusion Engine and F2 in a completely mechanical, waterproof system with a realistic trigger. It does not require the trigger to be released before the nozzle chambers the next round and the firing volume is refilled. This occurs automatically and consistently every shot, with adjustable nozzle dwell and return speed. As the system resets and recharges immediately after firing, it is ready to fire again before the trigger has been released. This means the system can cycle very quickly for faster follow up shots and a lower potential for double feeding.

Extremely Efficient and Consistent The valve design of the Kythera operates without the need for air to control the opening or closing of the valve. Without a pilot valve, 100% of the air going into the system is fired through the nozzle allowing it to operate very efficiently. In addition to being extremely efficient, the system is also extremely consistent. The valve is released at the same point every shot with the same force applied, regardless of trigger input.

Universal Charging Cord The steel cord visible at the back of the system is attached to a cocking mechanism for the internal spool valve.  Although the system automatically cocks the spool valve when the system is pressurized, since the Kythera uses a balanced valve, it is possible in certain situations that the valve could stall and needs to be manually cocked. This typically only happens if the system is run completely out of air so that the pressure drops below the operating range of the system. The cord is designed to be either routed through the grip of the rifle for easy access or even possibly attached in some fashion to the charging handle.

Easy Installation The Kythera SA system installs into a standard gearbox as a single assembly and typically does not require any modification to the gearbox. There are no separate parts to install and the only parts needing to be retained from the gearbox is the trigger, spring guide, selector and safety components.

Gel Ball Compatible The Kythera SA system can be configured for use in Gel Ball firing 7-8mm projectiles.

Wide Velocity Adjustment Range The Kythera has a wide operating pressure range of 60psi to 180psi which allows you to fine tune the velocity of the system and tailor for different requirements and applications. Within this pressure range we observed a muzzle velocity of 270 - 500fps w/ .20g using a 6.05x380mm barrel. This lets a single Kythera be used in any role ranging from CQB to Sniper by mainly just adjusting the input pressure from your air rig.

• Designed from the ground up as a high performance mechanical HPA system, not a modification of a solenoid operated design.
• Patent pending valve mechanism provides excellent efficiency and consistent velocity combined with a realistic trigger pull and reset.
• Completes a full shot cycle on the trigger pull alone which translates into consistent nozzle movement and rapid follow up shots.
• Adjustable trigger. Adjustments include: Weight, length of pull and over travel.
• Adjustable nozzle dwell/return speed.
• Wide operating pressure range of 60 to 180psi.

• Standard 4.5" power leads used with the bullet valves used with electro-pneumatic systems such as the F2, F1 and JACK.

• Adjustable output pressure from 40psi to 145psi (standard configuration).
• Optional High Pressure Spring boots maximum pressure to ~200psi.
• Oversized 4mm piston bore for extremely high flow and refresh rate even at only 40psi.
• Integral tournament lock can be secured with a standard zip-tie. Compatible with standard HPA as well as SLP tanks.
• HP Spring Not Included

• 1x M1.5 x 10.0 (Buna 70) - Outside of Nozzle
• 1x M1.0 x 5.5 (Buna 70) - Inside of Nozzle
• 1x M1.5 x 7.5 (Buna 70) - Inside Front Cylinder
• 1x M1.0 x 2.5 (Buna 70) - Inside Rear Cylinder
• 1x M2.0 x 9.0 (Buna 70) - Inside Sleeve
• 2x M1.0 x 19.0 (Buna 70) - Outside Sleeve
• 1x 010 (Buna 70) - Front Poppet
• 1x M1.5 x 6.0 (Buna 70) - Rear Poppet
• 1x M1.0 x 4.5 (Buna 70) - Barb Fitting

Strike Airsoft 3/8-24UNF Burst Disk - 5k PSI

So, what makes the Kythera so unique?

Realistic Trigger What sets this system apart from other mechanical systems is the design of its trigger. The trigger mechanism is designed to replicate the function, weight and feel of a real single-action firearm trigger. It feels real because it is real. The hardened alloy steel sears catch and release the stainless steel spool valve in the same way the sears of a real firearm catch and release the hammer or striker. This gives the Kythera trigger the distinct break and reset you would expect to feel when firing a real single action firearm. The trigger mechanism in the Kythera SA is also adjustable, allowing the user to fine tune the weight and over travel. Additionally, the internal firing valve is balanced and the only force applied during firing is the main spring. This means the function and feel of the trigger is independent of input pressure and velocity.

Complete Shot Cycle The design of the Kythera SA completes a shot cycle on the trigger pull. This gives you the proven closed bolt performance of the Fusion Engine and F2 in a completely mechanical, waterproof system with a realistic trigger. It does not require the trigger to be released before the nozzle chambers the next round and the firing volume is refilled. This occurs automatically and consistently every shot, with adjustable nozzle dwell and return speed. As the system resets and recharges immediately after firing, it is ready to fire again before the trigger has been released. This means the system can cycle very quickly for faster follow up shots and a lower potential for double feeding.

Extremely Efficient and Consistent The valve design of the Kythera operates without the need for air to control the opening or closing of the valve. Without a pilot valve, 100% of the air going into the system is fired through the nozzle allowing it to operate very efficiently. In addition to being extremely efficient, the system is also extremely consistent. The valve is released at the same point every shot with the same force applied, regardless of trigger input.

Universal Charging Cord The steel cord visible at the back of the system is attached to a cocking mechanism for the internal spool valve.  Although the system automatically cocks the spool valve when the system is pressurized, since the Kythera uses a balanced valve, it is possible in certain situations that the valve could stall and needs to be manually cocked. This typically only happens if the system is run completely out of air so that the pressure drops below the operating range of the system. The cord is designed to be either routed through the grip of the rifle for easy access or even possibly attached in some fashion to the charging handle.

Easy Installation The Kythera SA system installs into a standard gearbox as a single assembly and typically does not require any modification to the gearbox. There are no separate parts to install and the only parts needing to be retained from the gearbox is the trigger, spring guide, selector and safety components.

Gel Ball Compatible The Kythera SA system can be configured for use in Gel Ball firing 7-8mm projectiles.

Wide Velocity Adjustment Range The Kythera has a wide operating pressure range of 60psi to 180psi which allows you to fine tune the velocity of the system and tailor for different requirements and applications. Within this pressure range we observed a muzzle velocity of 270 - 500fps w/ .20g using a 6.05x380mm barrel. This lets a single Kythera be used in any role ranging from CQB to Sniper by mainly just adjusting the input pressure from your air rig.

• Designed from the ground up as a high performance mechanical HPA system, not a modification of a solenoid operated design.
• Patent pending valve mechanism provides excellent efficiency and consistent velocity combined with a realistic trigger pull and reset.
• Completes a full shot cycle on the trigger pull alone which translates into consistent nozzle movement and rapid follow up shots.
• Adjustable trigger. Adjustments include: Weight, length of pull and over travel.
• Adjustable nozzle dwell/return speed.
• Wide operating pressure range of 60 to 180psi.