BS 5257:1975
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Specification for horizontal end-suction centrifugal pumps (16 bar)
Hardcopy , PDF
10-08-2016
English
30-09-1975
Cooperating organizations
Foreword
Specification
Section one. General
1. Scope
2. References
Section two. Pump designation and dimensions
3. Designation
4. Pump dimensions and nominal duty point
5. Cast materials
6. Static test pressure
7. Flanges
Section three. Dimensions of cavities for mechanical
seals and for soft packing
8. Introduction
9. Diameters of shafts and seal cavities
10. Surface finish
Section four. Baseplate and installation dimensions
11. Introduction
12. Baseplate dimensions
13. Basic installation dimensions
Appendix
A. Pump selection grids
Tables
1. Nominal duty point and dimensions
2. Dimensions of shafts and cavities
3. Baseplate reference numbers and dimensions in
millimetres
4. Selection of baseplate number and installation
dimensions in millimetres
Figures
1. Pump dimensions
2. Unbalanced mechanical seal or soft packing, with
or without sleeves
3. Balanced mechanical seal, with or without short
sleeve
4. Balanced mechanical seal with sleeve
5. Basic baseplate and installation dimensions
6. Zones of operation
7. Typical pump performance characteristic
Important note : All end users must be registered with an Account prior to user licenses being assigned.Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.