How Do You Check Your Pipe Threading Dies Before You Shipping Them ?
The quality of pipe threading dies are different as per different material, processing technic, heat treatment and surface treatment.
Surface treatment & Packing
Firstly, when we see a set of pipe dies, the surface will be your first impression on it. You will not pay for the threading dies with the appearance of ugly and dirty.
Hongli threading dies can make pipe dies smooth surface, frosted surface, black coating or titanium coating.
Each pieces of threading dies should be applied anti-rust oil. They will be packed by blister cards or small boxes as per your need. The outer package will be plywood case or strong carton as per your shipping way.
Installation & Testing
Actually, the installation and threading testing should be the most important for the orders of pipe dies. That is to say, the threading dies and their die heads should perfect matching.
It brings forward a higher requirement for the processing of various external dimensions of the pipe threading dies.
Hongli QC team will check each batch of the dies as per the QC documents. The fast and easy way to check the sizes of threading dies are plug gauge in the picture below:
After installation, it will be threading. The effect of the teeth should be reflected from the threaded pipes. We are recording the threading testing conditions of each batch of threading dies.
Below is the pictures of HS dies on galvanized pipes:
Then you can make sure your threading dies are good in use. If there are some problems in installing or testing the pipe dies, you can check your operation at first and then ask our sales representative for help.