User Guide

8 © Copyright 2006 TAC All Rights Reserved. F-24384-1
Table-8 Normal Thread Engagement Between Male Pipe Thread and Valve Body.
Figure-3 Normal Thread Engagement.
Figure-4 Installation of Union End Valves.
Valve Size Inches (NPT) Normal Engagement
1/2" 1/2"
3/4" 9/16"
1" 11/16"
1-1/4" 11/16"
Right Wrong
Pipe threads too long.
Pipe interferes with seat.
Use pipe wrench to
prevent valve from turning
Tighten pipe using
this pipe wrench
Valve
Assembly