Nibco LD-3000 Series Installation, Operation & Maintenance Instructions Manual Download Page 6 | Manualshive

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NIBCO Technical Services • Phone: 1.888.446.4226 • Fax: 1.888.336.4226

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GEAR OPERATOR FOR 14” SIZE BUTTERFLY VALVES

FIGURE 2

GEAR OPERATOR FOR 16” THRU 24” SIZE BUTTERFLY VALVES

FIGURE 3

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Summary of Contents for LD-3000 Series

Page 1: ... U A R T E R S 1 5 1 6 M I D D L E B U R Y S T E L K H A R T I N 4 6 5 1 6 4 7 4 0 U S A P H O N E 5 7 4 2 9 5 3 0 0 0 FA X 5 7 4 2 9 5 3 3 0 7 W E B w w w n i b c o c o m Review Date NA Original Date 3 23 2022 USA ONLY Installation and Maintenance Guidelines for NIBCO Flanged Butterfly Valves with Rubber Seats Figure Numbers LD 7000 Series LD 3000 Series Pressure Rating 232 psi 16 Bar CWP LD 7000...

Page 2: ... used when selecting mating components for use with NIBCO flange style butterfly valves The internal diameter of flanges fittings and pipe must be compatible with the butterfly valve for proper seal face integrity and disc operation When in the open position the disc extends outward from the valve body The internal diameter of connecting components must be large enough to allow clearance for the d...

Page 3: ...e between the flanges for the valve Make sure the pipe flange faces are clean of any foreign material such as scale metal shavings or welding slag Valves should be installed with the disc in the closed position to prevent damage to sealing surfaces Rubber seated butterfly valves have an integral rubber face that seals to the attaching flanges therefore separate gaskets should not be used 1 Fully c...

Page 4: ... 1 44 1 44 3 32 1 8 UNC 18 4 12 1 56 1 56 3 32 1 1 8 7 UNC 20 5 14 1 69 1 69 3 5 40 1 1 8 7 UNC 24 5 98 1 88 1 88 4 40 1 1 4 7 UNC 30 6 57 2 12 4 25 56 1 1 4 7 UNC 2 94 5 56 36 8 00 2 38 5 64 1 1 2 6 UNC 3 56 6 64 42 9 88 2 62 5 25 72 1 1 2 6 UNC 3 81 6 5 72 48 10 87 2 75 5 5 88 1 1 2 6 UNC 4 25 7 88 TABLE 2 TABLE 3 BOLT GRADE BOLT HEAD MARKING LUBRICATED BOLT SIZE NON LUBRICATED BOLT SIZE 1 8 1 7...

Page 5: ... it stops 11 Tighten CLOSE stop nut until it is tight or install outer set screw and tighten 12 If the valve is installed in the system piping and cannot be removed it is possible to adjust the stops but is a little more difficult The only difference is that instead of visually checking the actual disc in the valve you must visually check the pointer position Because the exact pointer position is ...

Page 6: ...NIBCO Technical Services Phone 1 888 446 4226 Fax 1 888 336 4226 6 GEAR OPERATOR FOR 14 SIZE BUTTERFLY VALVES FIGURE 2 GEAR OPERATOR FOR 16 THRU 24 SIZE BUTTERFLY VALVES FIGURE 3 ...

Page 7: ...chnical Services Phone 1 888 446 4226 Fax 1 888 336 4226 7 GEAR OPERATOR FOR 30 36 SIZE BUTTERFLY VALVES FIGURE 4 GEAR OPERATOR FOR 42 48 SIZE BUTTERFLY VALVES FIGURE 5 OPEN STOP CLOSE STOP OPEN STOP CLOSE STOP ...

Page 8: ... mm mm 63 35 18 67 35 18 X 11 X 80 140 18 197 86 0 480 404 560 24 INCHES 2 756 0 787 2 93 784 X 472 X 3 15 10 00 0 71 10 87 3 39 22 13 18 15 26 57 600 mm mm 70 00 20 74 50 20 X 12 X 80 254 18 276 86 0 562 461 675 VALVE SIZE UNITS L M N O P Q R QTY U THREADS T GEAR MOUNT WEIGHT 14 INCHES 13 15 3 62 3 94 20 98 18 75 12 87 24 1 8 UNC 1 18 F10 220 lbs 350 mm mm 334 0 92 100 533 476 3 327 30 100 Kg 16 ...

Page 9: ...000 7 1 DISC DUCTILE IRON A536 65 45 12 NYLON 11 COATED ALUM BRZ ASTM A148 C95400 STAINLESS STEEL CF8M 8 2 TAPER PIN STAINLESS STEEL ASTM A276 S42000 STAINLESS STEEL ASTM A564 S63000 9 1 SEAT EPDM ASTM D2000 NITRILE ASTM D2000 10 2 BUSHING LONG BRONZE ASTM B584 C83600 11 1 BODY DUCTILE IRON ASTM A536 65 45 12 12 2 STUD STEEL 13 2 NUT STEEL 14 1 PACKING RING BRONZE ASTM B584 C83600 15 2 V CUP PACKI...

Page 10: ... 16 X 140 356 33 415 150 1044 864 1180 48 INCHES 4 724 1 260 5 28 1 260 X 709 X 5 50 14 02 1 30 16 34 5 91 44 37 37 44 53 07 1200 mm mm 120 32 134 32 X 18 X 14 356 33 415 150 1127 951 1348 VALVE SIZE UNITS L M N O P Q R QTY S THREADS T GEAR MOUNT WEIGHT 30 INCHES 29 33 6 57 7 09 38 74 36 00 29 09 56 1 7 UNC 2 13 F30 1109 lbs 750 mm mm 745 167 180 984 914 4 739 54 504 Kg 36 INCHES 34 06 7 99 8 31 4...

Page 11: ...INIM 9 1 ROLL PIN STEEL 24 2 KEY STEEL 10 2 SPACER STEEL 25 8 SCREW STEEL 11 1 THRUST BEARING STEEL 26 8 WASHER SPRING STEEL 12 4 BUSHING SHORT BRONZE ASTM B584 C83600 27 8 NUT STEEL 13 2 O RING NITRILE ASTM D2000 28 1 TOP CONNECTION SPT DUCTILE IRON A536 65 45 12 14 1 STEM LOWER STAINLESS ST ASTM A276 S42000 29 1 PACKING RING BRONZE ASTM B584 C83600 STAINLESS ST ASTM A564 S63000 30 4 V CUP PACKIN...

Page 12: ...T GEAR OPERATOR OR ACTUATOR CLOSE STOP SEE SECTION IV CONTAMINATION ADHERED TO SEALING SURFACES OF SEAT CLEAN BOTH SEALING SEAT SURFACES RUBBER SEAT HAS ERODED CHECK MEDIA TO SEE IF COMPATIBLE WITH RUBBER SEAT MATERIAL EXTERNAL LEAKAGE AT LOWER STEM END CAP O RING DAMAGED REPLACE O RING RETAINING COVER O RING DAMAGED REPLACE O RING ADJUSTING SCREW O RING DAMAGED REPLACE O RING EXTERNAL LEAKAGE AT ...

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