Supplying a Complete Line of Quality Seals - U.S. Seal Mfg.

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SEAL SIZING GUIDE1. Remove seal to be replaced from shaft and/or sleeve.2. Make note of materials used for the old seal parts using U.S. Seal Mfg. Material Code found on the front cover fold-out.3. Identify Head type (see front cover fold-out.) Use caliper to measure inside diameter (ID) and outsidediameter (OD)SEAL HEADS – TYPE A and BSEALOD (B)TYPE ASEALOD (B)SHAFTSIZE (A)TYPE BSHAFTSIZE (A)Identify seal head type - Determine Shaft Size:Measure the inside diameter (ID) (dimension A)Measure the outside diameter (OD) (dimension B)The operating height is generally the same for all A and B sealsof the same shaft size. More positive identification will result fromcalculating the mating ring dimensions below. If unable to positivelyidentify the seal, consult U.S. Seal Mfg.SEAL HEADS – TYPE C, D and ESPRING LENGTH (D)FRONTIdentify seal head type - Determine Shaft Size:Measure ID of the bellows (dimension A) as installed in the seal head.Add approximately .016" additional for rubber squeeze.SEALOD (B)SHAFTSIZE (A)Measure the head OD (dimension B)Step 1. Measure the total free length (dimension C) of the rotatingportion of the assembled seal. (Do not include the mating ring).Step 2. Disassemble seal and measure the free length of the spring(dimension D).Step 3. Take half of the measurement obtained in step 2.Step 4. Subtract the figure obtained in step 3 from themeasurement (dimension C) in step 1. The result is the approximateoperating height of the seal.BACKTOTAL LENGTH (C)(NOT COMPRESSED)TYPE C, D, and ESEAL HEADS – TYPE K, R and TSEALOD (B)SHAFTSIZE (A)Identify seal head type - Determine Shaft Size:Measure the inside diameter of the bellows (dimension A).Add approximately .016" additional for rubber squeeze.Measure the head OD (dimension B)Calculate the operating height of the seal as follows:TOTAL LENGTH (C)(NOT COMPRESSED)TYPE K, R, and TStep 1. Measure the total length of the rotating seal (dimension C).(Not compressed).Step 2. Multiply the total length (dimension C) by .73. The result isthe approximate operating height of the seal.EMATING RINGCOUNTER-BORE (D)MATING RINGTHICKNESS (E)MATING RING and GASKETIdentify the mating ring design from those shown on inside of front cover.Measure OD of the gasket while assembled on mating ring and subtractapproximately .016" additional for rubber squeeze to obtain counterboredimension (dimension D).Measure the combined insert and gasket width (dimension E).Use the Dimensional Cross Reference by Shaft Size guide(pgs. 84-129) to find the part number of the seal you need, startwith Shaft Size and find the line in the tables that matchesthe dimensions and material code.4
INCH AND METRIC CONVERSION CHARTFraction Decimal MM Fraction Decimal MM MM Inches MM Inches1/64 .0156 0.397 33/64 .5156 13.097 .1 .0039 46 1.8111/32 .0312 0.794 17/32 .5312 13.494 .2 .0079 47 1.8503/64 .0468 1.191 35/64 .5468 13.891 .3 .0118 48 1.8891/16 .0625 1.588 9/16 .5625 14.288 .4 .0157 49 1.9295/64 .0781 1.984 37/64 .5781 14.684 .5 .0197 50 1.9683/32 .0937 2.381 19/32 .5937 15.081 .6 .0236 51 2.0077/64 .1099 2.778 39/64 .6093 15.478 .7 .0276 52 2.0471/8 .1250 3.175 5/8 .6250 15.875 .8 .0315 53 2.0869/64 .1406 3.572 41/64 .6406 16.272 .9 .0354 54 2.1265/32 .1562 3.969 21/32 .6562 16.669 1 .0394 55 2.16511/64 .1718 4.366 43/64 .6718 17.066 2 .0787 56 2.2043/16 .1875 4.763 11/16 .6875 17.463 3 .1181 57 2.24413/64 .2031 5.159 45/64 .7031 17.859 4 .1575 58 2.2837/32 .2187 5.556 23/32 .7187 18.256 5 .1969 59 2.32215/64 .2343 5.953 47/64 .7343 18.653 6 .2362 60 2.3621/4 .2500 6.350 3/4 .7500 19.050 7 .2752 61 2.40117/64 .2656 6.747 49/64 .7656 19.447 8 .3150 62 2.4409/32 .2812 7.144 25/32 .7812 19.844 9 .3543 63 2.48019/64 .2968 7.541 51/64 .7968 20.241 10 .3937 64 2.5195/16 .3125 7.938 13/16 .8125 20.638 11 .4331 65 2.55921/64 .3281 8.334 53/64 .8281 21.034 12 .4724 66 2.59811/32 .3437 8.731 27/32 .8437 21.431 13 .5118 67 2.63723/64 .3593 9.128 55/64 .8593 21.828 14 .5512 68 2.6773/8 .3750 9.525 7/8 .8750 22.225 15 .5906 69 2.71625/64 .3906 9.922 57/64 .8906 22.622 16 .6299 70 2.75513/32 .4062 10.319 29/32 .9062 23.019 17 .6693 71 2.79527/64 .4218 10.716 59/64 .9218 23.416 18 .7087 72 2.8347/16 .4375 11.113 15/16 .9375 23.813 19 .7480 73 2.87429/64 .4531 11.509 61/64 .9531 24.209 20 .7874 74 2.91315/32 .4687 11.906 31/32 .9687 24.606 21 .8268 75 2.95231/64 .4843 12.303 63/64 .9843 25.003 22 .8661 76 2.9921/2 .5000 12.700 1 1.000 25.400 23 .9055 77 3.03124 .9449 78 3.07025 .9843 79 3.11026 1.023 80 3.14927 1.063 81 3.18928 1.102 82 3.22829 1.141 83 3.26730 1.181 84 3.30731 1.221 85 3.34632 1.259 86 3.38533 1.299 87 3.42534 1.338 88 3.46435 1.378 89 3.50336 1.417 90 3.54337 1.456 91 3.58238 1.496 92 3.62239 1.535 93 3.66140 1.574 94 3.70041 1.614 95 3.74042 1.653 96 3.77943 1.692 97 3.81844 1.732 98 3.85845 1.771 99 3.897See Pages 156-165 for Metric Seal Selection100 3.9375
Page 1 and 2: DEMAND QUALITY…DEMAND U.S. SEAL M
Page 3 and 4: U.S. SEAL MFG. Head TypesType AEqua
Page 6 and 7: U.S. SEAL MFG.Quality Mechanical Se
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PUMP MANUFACTURERS’ CROSS-REFEREN
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DIMENSIONAL CROSS-REFERENCE BY SHAF
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COMMERCIAL APPLIANCE REPLACEMENT SE
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CHOOSE THE RIGHT SEALFOR YOUR POOL
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POOL & SPA PUMP REPLACEMENT SEALSPu
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POOL & SPA PUMP REPLACEMENT SEALSPu
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FLUIDMATERIAL RECOMMENDATION CHARTS
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FLUIDMATERIAL RECOMMENDATION CHARTS
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SEAL INSTALLATION INSTRUCTIONS1. Di
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REPLACEMENT SEAL KITSKits include M
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REPLACEMENT SEAL KITSKits include M
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SEAL HEAD TYPESType AV Type BV Type
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INCH SIZESSEAL HEADMATING RINGFig.
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INCH SIZESSEAL HEADMATING RINGFig.
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ARMSTRONG and BELL & GOSSETTREPLACE
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METRIC SIZESType VGMASimilar To:AES
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METRIC SIZESTypes VGMC-1 and VGMC-1
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Similar To:AES T02, Burgmann M3NVul
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Similar To:AES T01 DIN,Vulcan 8 DIN
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METRIC SIZESType VGM-G Mating Rings
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GRUNDFOS REPLACEMENT SEALSUsed in C
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FLYGT REPLACEMENT SEALSFlygt Value
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FLYGT REPLACEMENT SEALSFlygt Value
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METRIC SEAL DESIGNS FOR SUBMERSIBLE
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HONDA TRASH PUMP REPLACEMENT SEALSV
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LABYRINTH SEALSU.S.Seal Mfg.Part No
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PACKING - STYLE 58PFTE Based Packin
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PACKING - STYLE 303Graphite-Coated
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PTFE LANTERN RING STRIPProduct Desc
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SEAL INSTALLATION LUBRICANTU.S. SEA
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PREMIUM SEAL INDEXU.S. Seal Mfg. Sh
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DISTRIBUTED BY:155 Pierce Street
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Supplying a Complete Line of Quality Seals - U.S. Seal Mfg.

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