NEN EN ISO 9905 : 1997 AMD 1 2011

Committees responsible
National foreword
Specification
1 Scope
2 Normative references
3 Definitions
4 Design
5 Materials
6 Shop inspection and tests
7 Preparation for dispatch
8 Responsibilities
Annexes
A (informative) Centrifugal pump - Data sheet
B (normative) External forces and moments on branches
C (normative) Enquiry, proposal, purchase order
D (normative) Documentation after purchase order
E (informative) Peak displacement
F (informative) Examples of seal arrangements
G (informative) Piping arrangements for seals
H (informative) Code for identification of fluid connections
J (informative) Materials and material specifications for
    centrifugal pump parts
K (informative) Check-list
L (informative) Bibliography
ZA (normative) Normative references to international
    publications with their relevant European publications
Tables
1 Limits of vibration severity for horizontal pumps with
    multivane impellers
2 Minimum running clearances
3 Maximum coupling end floats
    B.1 Characteristics of horizontal pump families
    B.2 Characteristics of vertical pump families
    B.3 Basic values of forces and moments for horizontal
          and vertical pumps
    B.4 Coefficients for actual values of horizontal pumps
    B.5 Coefficients for actual values of vertical pumps
    H.1 Identification of corrections for measurement
          devices
    H.2 Identification of corrections for auxiliary devices
    J.1 Material specification for centrifugal pump
          parts
    J.2 Material code for mechanical seal components

Describes the Class I (most severe) requirements for centrifugal pumps for use in various industries. Comprises a basic text covering general requirements, where technical requirements refer just to the pump unit.