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NIBCO Technical Services • Phone: 1.888.446.4226 • Fax: 1.888.336.4226 

13 

VIII. 

T-1446762 PP AND T1447532 PP SWITCH REPLACEMENT INSTRUCTIONS 
FACTORY INSTALLED SWITCHES FOR NIBCO GD4865-8N, GD4865-C-8N, 
GD6865-8N, GD6865-C-8N UL/FM Butterfly Valves 

 

NOTE: Grooved end valve shown 

For illustration purposes only. 

See SECTION VII. SWITCH REPLACEMENT INSTRUCTIONS 

 

 
 
 
 
 
 
 
 
 

Summary of Contents for FC/FD-2000 Series

Page 1: ...and Maintenance Guidelines for NIBCO Butterfly Valves with Rubber Seats Fire Protection Valves Commercial Series Valves UL ULC FM Listed CWP Rating WWP Rating Figure Numbers LD 1000 2000 7000 8000 Series LD WD 2000 3000 5000 Series LC WC 2000 Series LD WD 3500 Series 250 psi 17 2 Bar CWP 2 12 GD 4700 Series 300 psi 20 7 Bar CWP 2 1 2 8 175 psi 12 1 Bar CWP 10 GD 6700 Series 350 psi 24 Bar CWP 2 1 ...

Page 2: ...disc clearances specified in Table 1 below are in accordance with MSS Standard Practice SP 67 Butterfly Valves Table A1 NIBCO 2 thru 48 size butterfly valves have an integral rubber face that seals to the attaching flange therefore a separate gasket is not necessary and should never be used The flange inside diameter must not be too large or it will not mate properly with this integral seal See Ta...

Page 3: ...e Flange ID for Proper Seal 2 2 00 2 49 1 31 2 43 1 38 2 24 2 2 37 2 86 1 89 3 06 1 95 2 74 3 2 67 3 43 2 64 3 65 2 66 3 33 4 3 69 4 55 3 67 4 75 3 67 4 55 5 4 76 5 62 4 44 5 54 4 48 5 50 6 5 84 6 62 5 96 6 84 5 96 6 66 8 8 01 8 62 7 85 8 89 7 85 8 61 10 10 00 10 80 9 73 10 70 9 76 10 75 12 11 99 13 12 11 71 12 74 11 72 12 79 14 13 02 14 01 13 02 15 50 16 15 20 16 30 15 20 17 90 18 17 09 18 31 17 ...

Page 4: ...igning bushing key with desired keyway Keyway selection will determine hand wheel orientation position Note that Fire Protection model adapter bushings differ from illustration and only have 1 keyway position Align adapter bushing 4 bore with valve stem 5 and slide gear operator assembly onto valve stem 5 until seated with valve top flange 7b Gear operators without adapter bushing Align gear opera...

Page 5: ...d tighten the bolts to the minimum recommended bolt torques listed in Table 3 below using a cross over pattern as shown in Figure 3 NOTE When installing any cartridge liner butterfly valve i e N200 valves or LD 1000 2000 valves NPS 14 and larger between two flanges it is critical that the cartridge liner be evenly compressed from both sides of the mating flanges REFER to NIBCO Technical Bulletin N...

Page 6: ...BLE 3 Recommended Bolt Tightening Torques Flange Size Bolt Size Minimum Bolt Torque ft lbs Maximum Bolt Torque ft lbs 2 4 5 8 20 70 5 8 3 4 30 120 10 and 12 7 8 50 200 14 and 16 1 70 240 18 and 20 1 1 8 100 380 24 30 1 1 4 140 520 32 48 1 1 2 200 800 54 60 1 3 4 350 1800 ...

Page 7: ...UNC 5 2 19 0 94 0 94 1 75 5 00 16 3 4 10 UNC 6 2 19 1 00 1 00 2 00 6 00 16 3 4 10 UNC 8 2 38 1 12 1 12 2 25 6 00 16 3 4 10 UNC 10 2 69 1 19 1 19 2 25 7 00 24 7 8 9 UNC 12 3 00 1 25 1 25 2 50 7 00 24 7 8 9 UNC 14 3 01 1 38 1 38 2 50 7 00 24 1 8 UNC 16 3 38 1 44 1 44 3 00 8 00 32 1 8 UNC 18 4 12 1 56 1 56 3 00 9 00 32 1 1 8 7 UNC 20 5 14 1 69 1 69 3 50 10 00 40 1 1 8 7 UNC 24 5 98 1 88 1 88 4 00 11 ...

Page 8: ...ries T118775 PP 2 1 2 4 GD 4865 6865 T118776 PP 6 8 GD 4865 6865 T117168 PP 10 GD 4865 6865 TABLE 5 2 24 COMMERCIAL VALVE GEAR OPERATOR Part Number Valve Size Valve Series T117118 PP 2 6 2 5 WD LD 2000 3000 FC FD GD 2000 5000 4000 T117119 PP 8 6 8 WD LD 2000 3000 FC FD GD 2000 5000 4000 T117120 PP T117121 PP 10 12 10 12 WD LD 2000 3000 WD LD 2000 3000 FC FD GD 2000 5000 4000 T116697 PP T026150 PP ...

Page 9: ...ing set screws A as shown in Figures 5 and 6 SHUT stop adjustment Using proper size hex Allen wrench turn set screw B counter clockwise 2 turns Rotate hand wheel until disc is centered in valve seat Turn set screw B clockwise until it stops Secure set screw B by replacing only one locking set screw A in same hole and tightening it until it stops OPEN stop adjustment Using proper size hex Allen wre...

Page 10: ...G 18 inches long and exit the operator housing through a single threaded hole designed for use with a inch conduit fitting Valve Series Supervision Position Switch Kit Number GD4765 8N WD LD3510 8 Valve Open T117774 PP TS 4 GD4765C 8N WD LD3510C 8 Valve Closed T1447531 PP GD4865 8N GD6865 8N Valve Open T1446762 PP GD4865C 8N GD6865C 8N Valve Closed T1447532 PP 2002 or Newer Model Wafer Lug UL FM B...

Page 11: ...NIBCO Technical Services Phone 1 888 446 4226 Fax 1 888 336 4226 11 ...

Page 12: ...it hole in rear of housing 5 Place two screws with lock washers thru the switch mounting holes then thru the mounting holes of the insulation paper Place switch assembly F into gear housing with switch actuating arms against quadrant gear Tighten two screws to secure switches and one screw to secure green ground wire to housing 6 Conduct switch continuity test to make sure they are functioning pro...

Page 13: ... T 1446762 PP AND T1447532 PP SWITCH REPLACEMENT INSTRUCTIONS FACTORY INSTALLED SWITCHES FOR NIBCO GD4865 8N GD4865 C 8N GD6865 8N GD6865 C 8N UL FM Butterfly Valves NOTE Grooved end valve shown For illustration purposes only See SECTION VII SWITCH REPLACEMENT INSTRUCTIONS ...

Page 14: ...t up from the valve In most cases the adapter bushing F will stay in the segment quadrant gear because the broken key causes interference between the gear and adapter bushing 4 Pull the adapter bushing from the gear Some force may be required 5 After removing the adapter bushing remove the broken key 6 Place the new key in keyway of adapter bushing F 7 With drive adapter bushing and key in place w...

Page 15: ...e 3 Attach with two supplied M4 x 12 flat head screws 3 4 Remove one cap screw 1 holding cover onto gear operator housing and replace with stop pin 7 5 Use cap screw 1 you just removed to secure the top hub 2 to the bottom hub 4 Top hub can be moved 360 degrees in 5 degree increments 6 Tighten cap screw 1 once top hub is appropriately set NOTE The gear operator provides a large mechanical advantag...

Page 16: ...mends that gear operators exposed to these extreme conditions be checked and serviced on a regular basis This can be accomplished during normal exercising or operation of the valve Butterfly Valves should be operated at least once per year or depending upon conditions as often as quarterly NIBCO tries to balance the needs of our customers and provide a gear operator that fits most service conditio...

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