Magnetic Particle Yokes

Magnetic Particle Inspection Yokes tackle even the most demanding magnetic particle inspection jobs with ease.

There are three Yokes to choose from depending upon your specific NDT application needs, AC, AC/DC and battery operated. All models deliver outstanding performance and are rated among the most durable and powerful yokes on the market today.

Magnaflux® Yokes comply to ASTM E1444. The yokes feature solid state controls and articulating doublejointed contact legs for easy contouring to test parts.

The Y-1 yoke has been completely redesigned from the ground up to be the best in class and introduces a revolutionary new ergonomic approach to improving operator safety and performance by eliminating physical stress and job fatigue.

Magnavis® Y-1 AC Magnetic Yoke

The Magnavis® Y-1 AC Magnetic Particle Inspection Yoke is the new generation of light weight, ergonomically designed yokes that improve job performance and productivity by reducing operator arm and wrist fatigue when testing in tight, confined and overhead areas.

Core Benefits:

  • Up to 30% lighter than other yokes
  • Ergonomically angled body with soft grip for improved arm and wrist positioning.
  • Trigger style on/off switch
  • Impact, chemically resistant outer shell
  • Field serviceable to reduce downtime
  • Reinforced eyelet for hands-free carrying
  • Improved Cord Strength

Y-1 Yoke Part Numbers:

  • 623502: 115V / 60Hz Y-1 AC Yoke
  • 623503: 230V / 50-60Hz Y-1 AC Yoke

Y-1 Yoke Kit Part Numbers:

  • 623529: Y-1 Kit – 115V / 60Hz
  • 623530: Y-1 Kit – 230V / 50-60Hz

Y-1 Yoke Kit Includes:

Y-1 Yoke – either 115v – 60 Hz/1pH, or 230V/50-60Hz.) One lb. of #1 Gray and one lb. of #8A Red Powder, Paint Marker, SCRUBS™ Hand Cleaner, Powder Spray Bulb, Portable Carrying Case and Instructions.

Specifications Compliance: ASTM E709-08, ASTM E1444, BPVC

General Specifications Y-1 AC Magnetic Yoke
Weight 4.56 lbs
Elec. Requirement 115V/60 Hz, 6.25 amp draw or 230V/50-60Hz, 3.7max amp draw
Leg Span 0″ – 11″ (0 – 28cm)
Cord Length 10 feet
Warranty 1 year

Magnvis® Y-7 AC/DC Magnetic Particle Inspection Yoke

The Magnavis7 Y- 7 AC/DC Magnetic Particle Yoke is designed for one-person portable magnetic particle inspections of ferrous parts. Ideal for inspection of welds and other remote testing. Articulating, double-jointed legs of yokes contour to any part shape to assure good contact.

Y-7 Core Benefits:

  • Used to find both surface and near-surface discontinuities
  • Articulating, double-jointed legs contour to part’s shape for superior contact
  • Solid state controls located in the yoke’s housing for maximum safety and reliability

Y-7 Yoke Part Numbers:

  • 43550: 115V – 50/60Hz
  • 43560: 230V – 50/60Hz

Y-7 Yoke Kit Part Numbers:

  • 43509: 115/60Hz Kit
  • 620741: 230V/50-60Hz

Y-7 Yoke Kit Includes:

Y-7 AC/DC Yoke, 1 lb. of #1 Gray, 1 lb. of #8A Red Powder, Portable Carrying Case, Paint Marker, SCRUBS™ Hand Cleaner, Powder Spray Bulb and Kit Instructions.

General Specifications Y-7 AC/DC Yoke
Weight 115V – 7.4 lbs
230V – 7.2 lbs
Leg Span 0″ – 12″
Current Type 115V/60Hz or 230V/50-60Hz
Cord Length 12 feet
Warranty 1 year


Magnavis® Y-8 Battery Operated Magnetic Yoke Kit

The Magnavis® Y- 8 Battery Operated Magnetic Yoke brings battery portability to magnetic particle yoke testing.

Core Benefits:

  • 100% portable for field inspections
  • Batter pack with convenient shoulder strap
  • Articulating, double-jointed legs contour to part’s shape for superior contact
  • Solid state controls located in the yoke’s housing for maximum safety and reliability

Y-8 Yoke Kit Part Numbers:

  • 611710: Y-8 Yoke Kit  115V
  • 611710-01: Y-8 Yoke Kit  230V

Kit Includes:

Battery Powered Yoke, Charger, Battery Pack with Shoulder Strap, #1 Gray Powder, Powder Spray Bulb, Paint Marker, SCRUBS® Hand Cleaner, and Instructions.

General Specifications Y-8 Yoke
Weight 7.75 lbs
Leg Span 0″ – 12″
Yoke Current Draw 4 Amps @ 6 Volts
Battery Charger Current Draw 0.2 Amps @ 115V or 230V
Cord Length 12 feet
Warranty 1 year
Battery Specifications
  • 6 Volt, 13 Amp Hour
  • 4.8 lbs
  • 4.25″ x 2.8″ x 5.55″
  • Output Voltage Charge 6.84V or 7.35V
  • Battery Operating Temp. Range: -40°C to 60°C (-40°F to 140°F)




YM5 Permanent Magnetic Yoke

The YM5 Permanent Magnetic Yoke consists of hinged arms and rotating pole pieces to allow a wide variety of profiles to be magnetized while the specially shaped pole pieces permit easy removal from the component. The YM5 has been crafted in Magloy 1 for maximum magnetic field strength.

The YM5 Permanent Magnetic Yoke is a portable and convenient means of magnetizing components for crack detection. The YM5 is supplied with
a keeper bar, which has false indications so you can easily check the magnetization strength.

Core Features:

  • Field strength in center of 50mm air gap, more than 400 gauss
  • Weighs 7 lbs
  • Pull test – > 40 lbs. Field strength, with pole tips in contact > 7,000 gauss
  • Gauss pull test – > 40 lbs. lift
  • No electrical supply needed
  • Portable


  • Part Number: 001Y005


Yoke Accessories

The Magnaflux Yokes are built to withstand years of shop and field inspection abuse, yet are among the most ergonomically and technically advanced yokes on the market today. 

Magnaflux offers convenient accessories that may be used with our Yokes.


Yoke Light Kits

Part Number: 623745  (Y-1 AC Yoke)
Part Number: 621785 (Y-7 AC/DC Yoke & Discontinued Y-6 Yokes)

The Magnaflux Yoke Light Kits offer enhanced visible method detection of flaws and discontinuities under low and no-light situation.

Ten Pound Test Weight for the Y-1 Yoke

Part Number: 62411510 lb. Test Weight
The Magnaflux Ten Pound Test Weight is designed specifically for the Y-1 Yoke.  The weight has balanced distribution and a built in leg positioning  guide to assure accurate test results every time. Dimensions of the test weight are 9″ x 2″ x 2″. Each weight is serialized and is shipped with certification documentation, stating that it meets ASTME1444-5.