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20/21C Series
Ball Valve
Installation & Maintenance Manual
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
1
03/30/21
www.atcontrols.com
IOM7013 REVISION 01
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Related Manuals for A-T Controls TRIAC 20 Series
Summary of Contents for A-T Controls TRIAC 20 Series
- Page 1 20/21C Series Ball Valve Installation & Maintenance Manual 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 ............................
- Page 2 20/21C Series Ball Valve Installation & Maintenance Manual SCOPE CAUTION • For your safety, read this manual before installation or service. All persons involved in the installation/removal and disassembly/reassembly of the valve should wear the proper personal protective equipment. •...
- Page 3 20/21C Series Ball Valve Installation & Maintenance Manual • Re-install one Seat (Item #8) into 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. •...
- Page 4 Series 21 Bill of Materials A-T Controls product, when properly selected, is designed to perform its intended function safely during its useful life. However, the purchaser or user of A-T Controls products should be aware that A-T Controls products might be used in numerous applications under a wide variety of industrial service conditions.