BS 7784(1994) : 1994 AMD 9864

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. (normative) 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
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
Figures
1. Driver output percentage of rated pump power
     required in the range of 1 kW to 100 kW
2. Conditions of critical speed
3. Maximum spacing between shaft guide bushes (vertical
     lineshaft pumps)
E.1 Single ampitude A, as a function of speed of
     rotation for various rms-velocity values
F.1 Soft packing (P)
F.2 Single mechanical seal (S)
F.3 Multiple mechanical seal
F.4 Quench arrangement (Q) for soft packing, single and
     multiple mechanical seal