Nor-Cal Linear Gate Valve - Manual (Page 2)

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Nor-Cal Products, Inc., 1967 South Oregon St., Yreka, CA 96097 • Toll Free 800-824-4166 or 530-842-4457 • www.n-c.com Rev. 1-2013
Table of Contents
I. GATE AND BONNET O-RING 1.5” - 21” GATE VALVES ................................................................................3
II. BELLOWS, PNEUMATIC STANDARD 1.5” - 21” GATE VALVES ...................................................................5
III. ACTUATOR O-RING 1.5” - 21” GATE VALVES .............................................................................................8
IV. SEAL PLATE ASSEMBLY/ PINS BEARING 1.5” - 21” GATE VALVES ..........................................................10
Vl. VALVE ADJUSTMENT 1.5” - 21” GATE VALVES .........................................................................................14
VlI. VALVE ADJUSTMENT CHART 1.5” - 21” GATE VALVES ............................................................................15
Figures, Tables and Drawings
Figure 1 BONNET ACTUATOR CARRIAGE ASSEMBLY. SEPARATED FROM VALVE BODY ........................................ 3
Figure 2 GATE O-RING AND BONNET PLATE O-RING .............................................................................................. 4
Figure 3 BELLOWS AND PISTON SHOWN WITH ACTUATOR HOUSING REMOVED .................................................5
Figure 4 PISTON CLOSE-UP FOR SPANNER WRENCH POSITIONING ......................................................................5
Figure 5 BELLOWS AND ACTUATOR ASSEMBLIES DRAWING .................................................................................7
Figure 6 DRIVE SHAFT O-RING .................................................................................................................................8
Figure 7 ACTUATOR O-RING .....................................................................................................................................9
Figure 8 LINKAGE REMOVAL ..................................................................................................................................10
Figure 9 PIN AND LINKAGE CLOSE-UP ...................................................................................................................11
Figure 10 GATE AND STRONG-BACK ASSEMBLIES OPENED ...................................................................................11
Figure 11 PIN, WASHERS AND R-RING REMOVAL DRAWING .................................................................................12
Figure 12 GATE AND STRONGBACK ASSEMBLIES AFTER REASSEMBLY ................................................................13
Figure 13 STRONGBACK AND GATE ASSEMBLIES DRAWING ..................................................................................13
Figure 14 VALVE ADJUSTMENT TABLE .....................................................................................................................15
Figure 15 DIMENSIONS ............................................................................................................................................15
Figure 16 PNEUMATIC ACTUATOR ASSEMBLY .........................................................................................................16