Nor-Cal N-Series Op Lit - Manual (Page 2)

2 2
Visit our Web Site www.n-c.com
N-Series Isolation Poppet Valves
List of Figures
3.4.1 Valve Dimensions .................................................................................................................................................... 5
4.2.1 Cut-away Valve ...........................................................................................................................................................................7
4.3.1 Valve & Options Nomenclature ................................................................................................................................7
5.4.1 Solenoid Valve Connection .....................................................................................................................................8
5.5.1 Position indicator Electrical Connection ..................................................................................................................9
Table of Contents
1.0 Introduction ............................................................................................................................................................. 3
2.0 Safety ...................................................................................................................................................................... 3
2.1 Symbols Used............................................................................................................................................................. 3
2.2 Precautions ................................................................................................................................................................ 3
3.0 Specifications .......................................................................................................................................................... 4
4.0 Description of N-Series Valves ................................................................................................................................................... 6
4.1 Overview . ................................................................................................................................................................................... 6
4.2 Theory of Operation ................................................................................................................................................... 6
4.3 Valve & Options Nomenclature ..................................................................................................................................................... 7
5.0 Installation and Use ................................................................................................................................................ 7
5.1 Unpacking and Detrashing ......................................................................................................................................... 7
5.2 Valve Installation ........................................................................................................................................................ 8
5.3 Pneumatic Hook-Up .................................................................................................................................................. 8
5.4 Solenoid Pilot Valve Connection ................................................................................................................................. 8
5.5 Position indicator Electrical Connection ..................................................................................................................... 9
6.0 Troubleshooting ...................................................................................................................................................... 9
6.1 Valve Will Not Close and Remains Fully or Partially Open ............................................................................................ 9
6.2 Valve Will Not Open All The Way or At All ................................................................................................................ 10
6.3 Valve Does Not Seal Adequately As Measured Between Inlet and Outlet Ports ......................................................... 10
6.4 Vacuum System Will Not Pump Down To Base Pressure ............................................................................................ 10
6.5 Position Sensors Are Not Sending Open / Close Signals ............................................................................................ 10
6.6 Valve Makes Noise ................................................................................................................................................... 11
6.7 Air Supply Pilot Valve Is Leaking or Makes Noise ....................................................................................................... 11
7.0 Spare Parts & Accessories ..................................................................................................................................... 11
7.1 O-ring Seal Kits with Work Instructions .................................................................................................................... 11
7.2 Valve Rebuild Kit with Work Instructions .................................................................................................................. 13
7.3 Replacement or Add-On Solenoid Valve Kit with Work Instructions .......................................................................... 13
7.4 Replacement or Add-On Position indicator Kit with Work Instructions ..................................................................... 14
8.0 Product Support & Returns ....................................................................................................................................... 15
Appendix - Limited Warranty and Intellectual Property .................................................................................................. 17
List of Tables
3.1 Environmental Specifications .......................................................................................................................................................... 4
3.2 Operational Specifications .......................................................................................................................................... 4
3.3 Certification ................................................................................................................................................................. 4
3.4 Pneumatic N-Series Angle Valve Dimensions .............................................................................................................. 5
3.5 Pneumatic N-Series Angle In-Line Valve Dimensions ................................................................................................... 5
Information in this manual is subject to change without notice.