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SN EN 25199 : 1996

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

TECHNICAL SPECIFICATIONS FOR CENTRIFUGAL PUMPS - CLASS 2

Superseded date

01-09-2003

Published date

12-01-2013

National foreword
Committees responsible
Specification
0. Introduction
1. Scope and field of application
2. References
3. Definitions
4. Design
5. Materials
6. Shop inspection and tests
7. Preparation for despatch
Annexes
A. Centrifugal pump - Data sheet
B. Peak displacement
C. External forces and moments on flanges
D. Typical seal arrangements
E. Piping arrangements for seals
F. Enquiry, proposal, purchase order
G. Documentation after purchase order
H. Check list
Table
1. Limits of vibration severity for horizontal pumps
     with multivane impellers
Figures
1. Prime mover output, percentage of pump power input
     at rated conditions
2. Simple amplitude, A, as a function of speed of
     rotation for various r.m.s.-frequency values
3. Curve I - Vertical forces (cast steel pumps)
4. Curve II - Horizontal forces (cast steel pumps)
5. Curve III - Total moment (cast steel pumps)

Describes class II requirements for centrifugal pumps of back pull-out construction used in the chemical and petrochemical industries. Individual clauses can be applied in other industries. Includes design features concerned with installation, maintenance and safety. Covers references, definitions, design, materials, shop inspection and tests and preparation for despatch. Appendices describes centrifugal pump, peak displacement, external forces and moments on flanges, seal arrangements and piping arrangements for seals.

DocumentType
Standard
PublisherName
Swiss Standards
Status
Superseded

Standards Relationship
DIN ISO 5199:1987-02 Corresponds
UNE-EN 25199:1996 Identical
ISO 5199:2002 Identical
NFE 44 151 : 99 PR Identical
BS EN 25199:1992 Identical
I.S. EN 25199:1993 Identical
EN 25199 : 1992 Identical

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