The configuration of PT welders depending on the types of pipes and fittings to be welded

Introduction

PT series machines are capable of welding all types of pipes, and most commercially available fittings and stub ends; the various types of welding possible are listed below:

1. Tube-to-tube welding

The original configuration of the basic body is used

2. Pipe welding with long spigot fitting

When welding with a long spigot fitting, it is possible to place the fitting in the third clamp, and if necessary remove the fourth clamp cap.

3. Pipe welding with fitting or short tang bend

To make such welds, it is necessary to remove the spacers and use them to attach the movable clamp to the movable trolley. To facilitate the attachment of short spigot bends, the use of the optional fitting upper clamp or the supplied beveled reduction half-rings is recommended.

4. Welding pipe with flare or short tang flange

For welding short-spigot stub end, the stub end device consisting of an aluminum disk on the surface of which the outer diameters of the stub ends are punched and four clamps sliding into the appropriate housings is required. The clamps are clamped on the mark corresponding to the diameter by means of bolts. The stub ends is attached to the attachment by screwing the four bolts so that they press down on its outer surface, guaranteeing its locking. The stub end device is provided with a ring that allows it to be mounted in any of the vices. It is possible to weld in either a 2 + 2 vices or a 3 + 1 configuration.

5. Fitting welding with short spigot stub ends

In this case, it is advisable to place the fitting in fourth vise in 3 + 1 configuration. While the stub end device can be housed in third vise.