D9 Series Full Port
Direct Mount Flanged Ball Valve
Installation & Maintenance Manual
2
June 27, 2023
www.a-tcontrols.com
IOM07011REVISION 02
1.
SCOPE
1.1.
CAUTION
1.1.1.
For your safety, read this manual before installation or service.
1.1.2.
Before installing or servicing, please ensure the line pressure has been relieved and any hazardous fluids have been
drained or purged from the system.
1.1.3.
Ensure that all Lockout and Tagout procedures for the system have been properly implemented.
1.2.
USE
1.2.1.
Maximum results and long life of valves can be maintained under normal working conditions and according with
pressure/temperature ratings.
2.
INSTALLATION
2.1.
GENERAL INFORMATION FOR INSTALLATION
2.1.1.
The valve can be installed in any position on the pipeline.
2.1.2.
Before installation of the valve, the pipe must be flushed clean of dirt, burrs, and welding residue or the seats and ball
surface will be damaged. The pipe must be free from tension and in proper alignment. Check to ensure that all
connections are free from defects.
2.2.
INSTALLATION OF FLANGED ENDS
2.2.1.
Carefully align serrated gaskets on each end of the valve and insert the valve into pipeline. Ensure that bolt holes on
valve line up with bolt holes on the pipeline. Insert flange bolts and nuts on the ends of the valve and tighten evenly in
a star pattern. Consult with the gasket manufacturer for the proper bolt torque.
3.
VALVE OPERATION
3.1.
MANUAL
3.1.1.
HANDLE
3.1.1.1.
To OPEN the valve, turn the handle counterclockwise until the handle is parallel with the pipeline and the handle
has contacted the handle stop.
3.1.1.2.
To CLOSE the valve, turn the handle clockwise until the handle is perpendicular with the pipeline and the handle
has contacted the handle stop.
3.1.1.3.
A handle lock is incorporated into the handle.
3.1.1.3.1.
For sizes up to 2-1/2”:
To use, slide the lock into the mounting pad, in the full open or full closed
position. Insert an appropriate size lock or hasp into the hole in the handle. If it can be performed safely,
try to turn the handle to ensure that the valve has been locked properly.
3.1.1.3.2.
For sizes larger than 2-1/2”:
To use, turn the handle to the full open or full closed position. Insert an
appropriate size lock or hasp into the hole in the handle and through the mounting pad. If it can be
performed safely, try to turn the handle to ensure that the valve has been locked properly.
