Welding Neck Flange
The end of the grenade flange has a neck and its characteristics are welded to the end of the neck with the characteristics of the tube in terms of diameter and thickness.
(Butt weld) Thickened hub to Tapered Hub This type of flange has a conical section
It shrinks with the tube, and this cone reinforces the flange and keeps the flange plate away from the heated area during operations such as stress relief and X-ray or gamma-ray examinations.
۲۵۰۰ psi Gear flange is used for high pressures and temperatures below zero or very high and for all services up to pressures
It is usable and generally less costly to install this type of flange and for places where stress
High impact, vibration and shear are recommended