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Air Hydro Power maintains a large selection of valves in-house, so that they will be available when you need them.

New Technology catalog>

Bullet Valves

MAC bullet valve

The new MAC Bullet Valve?? represents yet another Mac Bullet Valve evolution to air valve technology from MAC Valves, Inc.

This innovative design is unprecedented in the market in its ability to provide speed, repeatability, long life and high flow in a unique cartridge package.

MAC offers a variety of flow ratings, configurations, sizes including two, three, and four-way direct acting, pilot-operated, remote, mechanical valves, and proportional pressure controllers.

Mac Valves logo

Advantages of MAC Valves:

Direct acting valve models can handle vacuum pressures to 120 psi and can be operated as a normally open, normally closed, two or three way, selector or diverter allowing the valve to be used in a variety of applications and reducing the need to stock multiple valves

The Balanced design produces precise repeatability regardless of inlet pressure fluctuations - giving consistent machine performance regardless of plant environment.

MAC's rubber bonded spool with smooth finish bore creates wiping action remove contamination from the bore during every valve cycle. This also contributes to very low friction in the bore of the valve.

MAC's patented oval amature creates higher shifting forces over competitive valves of the same size through more core metal and windings.

Low friction and high shifting forces result in a very fast, highly repeatable air valve that can handle contamination. Evidence of this is in the recommended use of 40 micron filtration as opposed to expensive 5 micron filtration recommended for most competitive valves.

Pulse Valves

The MAC Pulse Valve utilizes the MAC 46 Lifting series balanced pilot technology to ensure fast, repeatable pulses. It also utilizes bonded spool technology in the main valve for superior reliability beyond existing diaphragm technology. A checked accumulator and a main spool with memory spring are used to ensure a shift back to the home position, for times when air supply may not be adequate. A line of adapter plates has also been released to replace existing diaphragm pulse valves with a direct drop-in, without disturbing existing plumbing.

Learn more about MAC Pulse Valves >

It is currently available in 3 sizes:

MAC pulse valve

ISO Valves

ISO I and ISO 2 Valves

  • Plug-in (5599/2) and non plug-in (5599/1) models.
  • 2-position, single or double operator. (Solenoid or Remote Air)
  • 3-position, double solenoid, open center, closed center, and pressure center.
  • Extended or recessed manual operators.
  • Single pressure and dual pressure.
  • Individual base or add-a-unit manifold base.
  • Plug-in, sandwich, single and dual pressure regulators for both individual and manifold valves

MAC ISO valves

Small 3-Way Valves

High flow direct solenoid operated 3-way poppet valve. It features a short stroke solenoid with oval armature, a balanced poppet and powerful return spring. These features translate into high shifting forces, fast consistent response times, high flow in a small package and long life.

100 Series | 31 Series | 35 Series | 1100 Series | 36 Series | 37 Series | 200 series

MAC small 3-way valves

Large 3-Way Valves

A 3-way balanced spool valve piloted by a small direct operated balanced poppet valve. This is an extremely versatile valve. They can be converted for use in vacuum and it can be changed from an Internal Pilot to an External Pilot function.

52 Series | 55 Series | 56 Series | 57 Series | 58 Series | 69 Series

MAC large 3-way valves

Small 4-Way Valves

he MAC 4-way valves come in direct solenoid as well as solenoid pilot operated for compact size, fast response and high flows. In-line and manifold mount versions are available.

24 Series | 42 Series | 44 Series | 45 Series | 46 Series | 700 Series |

400 Series | 48 Series | 900 Series

MAC small 4-way valves

Large 4-Way Valves

MAC 4-way valves offer solenoid pilot operated, air pilot or manual operation. Their balanced spool means the valve can be piped as a 4-way, 3-way, 2-way, normally closed or normally open or can be used for vacuum, diverter or selector applications. Our one piece bonded seal spool means longer life and easy maintenance.

93 Series | 6500 Series | 82 Series | 1800 Series |6300 Series

MAC large 4-way valves

Liquid Bullet Valve?

The Liquid Bullet Valve? is the latest design innovation from MAC. With fast response times, reliable shifting forces and repeatable results - due to its patented balanced design - the MAC LBV is ideal for applications that demand reliable, low-leak performance*. The MAC LBV employs D-Flex? technology to provide an exceptionally tight seal; preventing leakage and saving you product and money.

MAC liquid bullet valve

D-Flex?technology also allows the LBV to last longer and perform stronger in the toughest applications. With fewer wear points than traditional valve technology the LBV is designed to last.

  • Available in 2-way and 3-way configurations
  • Non-wetted solenoid
  • Accurate and repeatable dosing
  • D-Flex?Technology
  • Reliable operation in extreme environments

*seal compatibility testing may be required


BViQ? brings the Bullet Valve? to the masses with a modular plug-in approach.

MAC Valves multi patented Bullet Valve? and subsequent products utilizing Bullet Valve? Technology  have brought innovation to the air valve industry with MAC?s patented balanced lifting-type solenoid design resulting in superior life, reliability, and repeatability, as well as superior flow in a compact package.

The BViQ? is available in B314 and BV414 configurations featuring these innovative characteristics:

  • Dual Bullet Valve? Cartridge slices ? reducing overall footprint
  • Dual 4-way slices
  • Intermixing of 3-way & 4-way valve slices in a common assembly
  • MAConnect? ? available for wire-free manifold interconnects
  • Single fastener BV mounting ? provides quick and simple assembly
  • Adapts via MAConnect? to several interface adapter types ? including MI/O-67?
  • Many of the Bullet Valve? modifications available ? optimized rubbers, flows, etc.

BViQ Options and Drawings

MAC liquid bullet valve

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