20/21C Series
Ball Valve
Installation & Maintenance Manual
1
03/30/21
www.atcontrols.com
IOM7013 REVISION 01
Contents: Series 20/21C IOM
SCOPE .................................................................................................................................................................... 2
INSTALLATION ................................................................................................................................................... 2
VALVE OPERATION ........................................................................................................................................... 2
DISASSEMBLY OF VALVE ................................................................................................................................ 2
RE-ASSEMBLY OF VALVE ................................................................................................................................ 2
Table A: Gland Nut Torque ............................................................................................................................ 3
Series 20 Bill of Materials ...................................................................................................................................... 3
Series 21 Bill of Materials ...................................................................................................................................... 4
Страница 1: ...ual 1 03 30 21 www atcontrols com IOM7013 REVISION 01 Contents Series 20 21C IOM SCOPE 2 INSTALLATION 2 VALVE OPERATION 2 DISASSEMBLY OF VALVE 2 RE ASSEMBLY OF VALVE 2 Table A Gland Nut Torque 3 Serie...
Страница 2: ...flon etc on the threads Apply wrench only on the hexagon of the valve ends Tightening by using the valve body or lever can seriously damage the valve In some applications screwed valves are back welde...
Страница 3: ...o the valve Place Ball Item 3 into Body 1 Then install second Seat and Joint Gasket Item 13 into Body Re install End Cap Item 2 and tighten End Cap onto Body Re install Handle Item 7 Lock Washer Item...
Страница 4: ...maintenance of A T Controls products The user should read and understand the installation operation maintenance IOM instructions included with the product and train its employees and contractors in th...
