Pitco Dual Demag is designed to demagnetize OCTG's with a Longitudinal Mag Field to at or below API Specifications.
The demag unit consists of two individually adjustable DC power supplies. The power supplies are filtered to provide smooth DC output to a demagnetizing coil. A firing circuit provides switching between the two power supplies. Switching is accomplished by a sensor or timer to switch from power supply (1) to power supply (2) at or near the middle of the joint. This provides the current level charge to complete the demagnetization. When the joint clears the sensor, the system switches back to power supply (1) to start the demagnetization process on the next joint. The system works betst with a stable longitudinal field in the part to be demagnetized.
Pitco Mag / Demag System is designed to magnetize OCTG material to the proper level, then demagnetize the same material in one operation.
Mag / Demag system has (2) two adjustable DC power supplies, one for magnetizing and one for demagnetizing. Current levels are set on each output for proper operation. The system will reduce the field to at or below API Specs. Demag has a push button control to fire the mag circuit and a button to fire the demag circuit.
Pitco MAG II is a Rectified DC Power Supply used to provide DC power to a magnetizing coil. The power is full wave rectified with filtering to provide smooth DC power for penetration to the internal surface of the material being inspected. When used with Pitco coils the unit is capable of (440) free air Gauss at the center of the coil.
Output current (0-10) Amps is adjustable by a variable transformer, output is either constant on or is controllable by a momentary firing button. The unit has a polarity switch for changing polarity of the coil. Output current readings are displayed on a digital meter. Included with the Pitco Mag II is a (15') AC Power cable and a (15') coil cable. All components and cables are grounded to the chassis for safety.