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 Products > Mechanical Seals > Seal by shaft size > 1.375" shaft or sleeve size >  Returning Customers
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Mechanical Seals
Seal by shaft size
1.000" shaft or sleeve size
1.125" shaft or sleeve size
1.250" shaft or sleeve size
1.375" shaft size - stand bore
1.375" shaft size - big bore
1.437" shaft or sleeve size
1.750" shaft or sleeve size
1.875" shaft or sleeve size
2.125" shaft or sleeve size
2.500" shaft or sleeve size
2.625" shaft or sleeve size
2.750" shaft or sleeve size
4.750" shaft or sleeve size
3.000" shaft or sleeve size - stand bore
4.375" shaft or sleeve size
Seal by pump manufacturer
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A common size for these pumps:

Goulds
Duriron (Flowserve-Durco)
IDP (Worthington/Flowserve)
Dean Brothers
Blackmer
LaBour
 
1.375" shaft size - standard bore
 
Select this category if your pump has a standard bore stuffing box (if your pump has ever been packed, then it is a standard bore).
Fits these pumps:

Goulds 3196 ST, 3196 STX, 3796 ST, 3996 ST - standard bore
Duriron (Flowserve-Durco) Group I Mark III standard bore
IDP (Worthington/Flowserve) BPO Frame B, CNG Frame 2, D-Line Frame 2
Dean Brothers PH2110
Blackmer NP2.5C, NP3C
LaBour TF&LV Group SL
 
1.375" shaft size - big bore
 
Select this category if your pump has a large bore stuffing box.
Fits these pumps:

Goulds 3196 ST, 3196 STX, 3796 ST, 3996 ST - enlarged bore
Duriron (Flowserve-Durco) Group I Mark II, Group I Mark III enlarged bore