The MAC Advantage

Engineered for Performance, Built for Reliability

For over 65 years, Hartfiel Automation has partnered with industry leaders to deliver the highest quality automation solutions. MAC Valves stands as a valued vendor, providing superior pneumatic and fluid control technology that delivers measurable performance advantages across diverse industrial applications.

Complete Product Portfolio

BULLET VALVES

Evolution in Air Valve Technology

Built with very few parts, MAC Bullet Valves are ideal for applications where high flow and repeatability in a small package size are crucial. Simple cartridge design for easy adaptability.

LIQUID VALVES

Innovation in Valves and Repeatability

MAC Liquid Valves perform with both gas and liquids utilizing D-Flex™ technology to provide a tight seal. Solve your microdosing, dispensing, spraying and filling applications.

3-WAY VALVES

Solenoid Operated 3-Way
Valves

MAC’s 3-way valves feature 3 ports (inlet, outlet, and exhaust) ideal for operating spring return cylinders or as pilots for larger diaphragm or piston operated valves.

4-WAY VALVES

Solenoid Operated 4-Way
Valves

MAC’s 4-way valves with 4 ports (inlet, common exhaust, and two cylinder ports) deliver optimal performance for double acting cylinders

3-Way Valves

MAC’s 3-way valves feature 3 ports (inlet, outlet, and exhaust) ideal for operating spring return cylinders or as pilots for larger diaphragm or piston operated valves.

Small 3-Way Valves

Air flows up to 1.2 Cv

Cv (Max): 0.4 Port Sizes: 1/8″-1/4″ Configurations: Individual Sub Base/Manifold: Plug-in/Non Plug-in

Cv (Max): 0.08 Port Sizes: M3 Configurations: Inline – Manifold: Plug-in/Non Plug-in

Cv (Max): 0.12 Port Sizes: M5-10-32 Configurations: Manifold: Plug-in/Non Plug-in

Cv (Max): 0.17 Port Size: 1/8" Configurations: Inline - Stacking - Sub Base/Manifold: Non Plug-in

Cv (Max): 0.30 Port Size: 1/8" Configurations: Inline - Manifold: Plug-in/Non Plug-in

Cv (Max): 0.30 Port Size: #10-32, 1/8", M5 Configurations: Inline - Manifold: Plug-in/Non Plug-in

Cv (Max): 0.50 Port Sizes: 1/8"-1/4" Configurations: Inline - Individual Sub Base/Manifold: Plug-in/Non Plug-in

Cv (Max): 1.2 Port Sizes: 1/8"-1/4" Configurations: Individual Sub Base/Manifold: Plug-in/Non Plug-in

Cv (Max): 0.4 Port Sizes: #10-21, M5, M7 Configurations: Inline - Individual Base: Non Plug-in - Circuit Bar: Non Plug-in

Cv (Max): 0.18 Port Sizes: 1/8-1/4" Configurations: Inline - Stacking - Sub Base/Manifold: Non Plug-in

Cv (Max): 0.50 Port Sizes: 1/8"-1/4" Configurations: Inline - Hazardous Location - Manifold: Non Plug-in

Cv (Max): 0.18 Port Sizes: 1/8-1/4" Inline - Sub Base/Manifold

Large 3-Way Valves

Air flows from 1.5 Cv and higher

Cv (Max): 1.5 Port Sizes: 1/8"-1/4" Configurations: Inline/Sub Base - Manifold: Non Plug-in

Cv (Max): 2 Port Sizes: 1/4"-3/8" Configurations: Individual Sub Base - Manifold: Non Plug-in

Cv (Max): 4.1 Port Sizes: 3/8"-3/4" Configurations: Sub-base/Manifold Mount

Cv (Max): 2.2 Port Sizes: 1/4"-3/8" Configurations: Individual Inline

Cv (Max): 5.7 Port Sizes: 3/8"-3/4" Configurations: Individual Inline

Cv (Max): 17.4 Port Sizes: 1/2"-1" Configurations: Individual Inline

Cv (Max): 26 Port Sizes: 1"-1 1/2" Configurations: Individual Inline

Cv (Max): 60 Port Sizes: 2"-2 1/2" Configurations: Individual Inline

Cv (Max): 20 Port Sizes: 3/4"-1" Configurations: Individual Inline/Manifold

Cv (Max): 31 Port Sizes: 1"-1 1/2" Configurations: Individual Inline/Manifold

Cv (Max): 60 Port Sizes: 1 1/2"-2 1/2" Configurations: Individual Inline/Manifold

4-Way Valves

MAC’s 4-way valves with 4 ports (inlet, common exhaust, and two cylinder ports) deliver optimal performance for double acting cylinders.

Small 4-Way Valves

Air flows up to 1.2 Cv

Cv (Max): 0.4 Port Sizes: #10-32-M5-M7 Configurations: Inline - Manifold: Plug-in/Non Plug-in

Cv (Max): 0.25 Port Sizes: 1/8"-#10-32-M5-M7 Configurations: Inline

Cv (Max): 0.40 Port Sizes: #10-32-1/4" Configurations: Inline - Manifold: Plug-in/Non Plug-in

Cv (Max): 0.07 Port Sizes: M3-#10-32, M5-1/8" Configurations: Inline - Manifold: Plug-in/Non Plug-in

Cv (Max): 0.10 Port Sizes: M5-#10-32 Configurations: Inline - Manifold: Plug-in/Non Plug-in

Cv (Max): 0.15 Port Sizes: #10-32-1/8" Configurations: Inline - Manifold: Plug-in/Non Plug-in - Stacking

Cv (Max): 0.30 Port Sizes: 1/8"-#10-32 Configurations: Inline - Manifold: Plug-in/Non Plug-in - Stacking

Cv (Max): 0.30 Port Sizes: 1/8"-#10-32-M5 Configurations: Inline - Manifold: Plug-in/Non Plug-in - Stacking

Cv (Max): 0.5 Port Sizes: 1/8"-1/4" Configurations: Inline - Manifold: Plug-in/Non Plug-in - Stacking

Cv (Max): 1.1 Port Size: 1/8" Configurations: Inline - Manifold: Plug-in/Non Plug-in

Cv (Max): 1.1 Port Sizes: 1/8"-1/4" Configurations: Inline - Manifold: Plug-in/Non Plug-in

Cv (Max): 0.8 Port Sizes: 1/8"-1/4" Configurations: Inline - Manifold: Plug-in/Non Plug-in

Cv (Max): 1.2 Port Sizes: 1/8"-1/4" Configurations: Inline - Stacking

Cv (Max): 0.20 Port Sizes: #10-32 and 1/8"

Large 4-Way Valves

Air flows from 1.2 Cv and higher

Cv (Max): 1.3 Port Sizes: 1/8"-3/8" Configurations: Individual Sub base/Manifold: Plug-in/Non Plug-in

Cv (Max): 1.5 Port Sizes: 1/4" - 3/8" Configurations: Individual Sub base/Manifold: Non Plug-in

Cv (Max): 1.2 Port Sizes: 1/8"-3/8" Configurations: Individual Sub base/Manifold: Plug-in/Non Plug-in

Cv (Max): 3.8 Port Sizes: 3/8"-1/2" Configurations: Inline - Manifold: Plug-in/Non Plug-in - Stacking

Cv (Max): 1.4 Port Size: 1/4" Configurations: Inline - Manifold: Non Plug-in - Stacking

Cv (Max): 15.9 Port Sizes: 3/4"-1 1/2" Configurations: Individual Sub-base - Plug-in

Cv (Max): 1.4 Port Size: 1/4" Configurations: Inline - Manifold: Non Plug-in - Stacking

Cv (Max): 15.9 Port Sizes: 3/4"-1 1/2" Configurations: Individual Sub-base

Cv (Max): 3.0 Port Sizes: 1/4"-1/2" Configurations: Individual Sub-base/Manifold: Plug-in/Non Plug-in

Cv (Max): 9.6 Port Sizes: 3/4"-1" Configurations: Individual Sub-base/Manifold: Plug-in/Non Plug-in

Bullet Valve® Technology

MAC’s patented Bullet Valve® technology represents a significant advancement in valve engineering, delivering superior performance through innovative design

Core Advantages:

Integrated poppet/armature design
Long-life lifting solenoid
Balanced design for consistent shifting forces
Solenoid isolation from contaminated air
Minimal component count for enhanced reliability

BV10

10mm

For compact applications requiring 2-way and 3-way configurations with Cv up to 0.09

BV14

14mm

Medium-sized option with Cv up to 0.24, available in 2-way and 3-way configurations

BV21

21mm

Higher capacity with Cv up to 0.60, ideal for applications requiring increased flow

Liquid Bullet Valves

MAC’s Liquid Valve line extends the company’s proven technology to fluid control applications:

Performance Features:

Available in 2-way, 3-way, variable flow, filling and dosing configurations
Options for wetted and non-wetted (media-separated) solenoids
Accurate and repeatable dosing capability
Dual-diaphragm D-Flex™ Technology
Reliable operation in extreme environments

Ideal for applications requiring precision fluid control or pneumatic applications demanding leak-tight performance.

Pulse Valves

MAC’s patented Pulse Valve series delivers superior reliability compared to traditional diaphragm technology:

Models:

PV03 (for ¾” and 1″ applications)
PV06 (for 1½” applications)
PV09 (for 2″ and 2½” applications)
PV12

Configuration Options:

Integral Solenoid pilot with Manual Operator
Remote Bleed version for hazardous locations

Ideal for replacing diaphragm technology in reverse jet bag houses, dust collectors, pneumatic conveying, and bulk material handling applications.

MIO-67 Fieldbus Communication

MAC’s advanced fieldbus communication technology enables seamless integration with modern control systems:

Protocol Support:

EtherNet/IP®
EtherCAT®
POWERLINK®
PROFINET®
Modbus/TCP®
I/O Link®

Module Options:

Digital, Analog and PowerPlus™ modules for comprehensive I/O capabilities
IP67-rated for washdown environments
European Conformity certified

Other Products

HAZARDOUS LOCATIONS

ISO VALVES

Proportional Pressure Control

Resources

The Liquid Bullet Valve® is the latest design innovation from MAC Valves. Find out how the MAC Liquid Bullet Valve (LBV) is ideal for applications that demand reliable, low-leak performance.

Customer Success: MAC Pulse Valves Discover how a wastewater plant replaced diaphragm valves with MAC pulse valves and were amazed with the results. “One of the best and easiest investments we’ve ever made.”

Download the Dust Collection Brochure and discover the benefits of spool type valves.

Video

MAC Valves developed the Pulse Valve. Take a look to how this advanced technology performs well on pulse jet dust collectors.

With thousands of solutions available, the MAC Bullet Valve® has been a real game changer in the industry.

MAC’s BVIQ® Bullet Valve technology now available in a unique plug-in design.

ROI Case Study demonstrating the application of MAC Pulse Valves in Hot Melt Asphalt Batch plant.

MAC Valves has earned a reputation as an innovator in solenoid air valve technology.

Partner with Hartfiel for MAC Solutions

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Hartfiel Automation brings over 65 years of expertise in pneumatic and fluid control applications. Our technical specialists can help you identify the optimal MAC solution for your specific requirements.

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