BS ISO 3069:2000
Current
The latest, up-to-date edition.
End-suction centrifugal pumps. Dimensions of cavities for mechanical seals and for soft packing
Hardcopy , PDF
English
15-01-2001
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Specification of dimensions of seal cavity and seal
gland plate attachments
4.1 Dimensions of stuffing box and seal cavity
attachments for general-purpose duties
(designated ISO 3069-S)
4.2 Dimensions of seal cavity and seal gland plate
attachments for heavy-duty process
applications (designated ISO 3069-H)
5 Design requirements for seal cavities
5.1 Vent and drain
5.2 Squareness and concentricity of surfaces
Annex A (informative) Dimensions of cavities for cartridge
mechanical seals for general-purpose
duties (designated ISO 3069-C)
Bibliography
Specifies the dimensions of the seal cavity for step-balanced mechanical seals, mechanical seals suitable for straight shafts, and for soft packing, to be used with horizontal end-suction centrifugal pumps, including those conforming to ISO 2858.
| Committee |
MCE/6
|
| DevelopmentNote |
Supersedes 99/707885 DC (02/2005)
|
| DocumentType |
Standard
|
| Pages |
18
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This International Standard specifies the dimensions of the seal cavity for step-balanced mechanical seals, mechanical seals suitable for straight shafts, and for soft packing, to be used with horizontal end-suction centrifugal pumps, including those conforming to ISO2858. Although applicable to general-purpose and heavy-duty process applications, this International Standard is not intended for use in processes with slurries or with high levels of solids. This International Standard offers two options: a range of stuffing boxes suitable for soft packing or mechanical seals for general-purpose duties up to a seal chamber limit of a gauge pressure of 16 bar; a range of larger cavities suitable for mechanical seals, including cartridge mechanical seals, for general and heavy-duty process applications, up to a seal chamber limit of a gauge pressure of 40 bar.
| Standards | Relationship |
| ISO 3069:2000 | Identical |
| ISO 9905:1994 | Technical specifications for centrifugal pumps — Class I |
| ISO 5199:2002 | Technical specifications for centrifugal pumps — Class II |
| ISO 1101:2017 | Geometrical product specifications (GPS) — Geometrical tolerancing — Tolerances of form, orientation, location and run-out |
| ISO 9908:1993 | Technical specifications for centrifugal pumps — Class III |
| EN 12756:2000 | Mechanical seals - Principal dimensions, designation and material codes |
| ISO 2858:1975 | End-suction centrifugal pumps (rating 16 bar) — Designation, nominal duty point and dimensions |
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