What are the processing methods for sanitary grade pipe fittings?

The processing method for sanitary grade pipe fittings is as follows:

1. Rolling method: Generally does not require a core shaft and is suitable for the inner circular edge of thick walled pipes.

2. Roller method: Place a core inside the tube and use a roller to push the outer circumference for edge processing.

3. Stamping method: Use a tapered core on a punch press to extend the tube end to the specified size and shape.

4. Forging method: Use commonly used forging machines to punch and stretch the sub ends of stainless steel pipe fittings, reducing the outer diameter. Common forging machines include rotary, connecting rod, and rolling wheel types.