BS 7784(1994) : 1994 AMD 9864
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 I
15-02-1998
23-11-2012
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
Covers the Class I (most severe) requirements for centrifugal pumps used in various industries. Coverage includes design, materials, preparation for despatch, and shop inspection and tests. Also gives definitions, tables and annexes. BS AMD 9864 RENUMBERS THIS STANDARD
| DevelopmentNote |
Renumbered and superseded by BS EN ISO 9905 Supersedes 91/76635 DC (09/2005)
|
| DocumentType |
Standard
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| Supersedes |
| Standards | Relationship |
| ISO 9905:1994 | Similar to |
| BS EN ISO 9905 : 1998 | Identical |
| ISO 7005-2:1988 | Metallic flanges — Part 2: Cast iron flanges |
| ISO 3744:2010 | Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Engineering methods for an essentially free field over a reflecting plane |
| ISO 2548:1973 | Centrifugal, mixed flow and axial pumps Code for acceptance tests Class C |
| ISO 544:2011 | Welding consumables Technical delivery conditions for filler materials and fluxes Type of product, dimensions, tolerances and markings |
| ISO 7005-3:1988 | Metallic flanges Part 3: Copper alloy and composite flanges |
| ISO 1940-1:2003 | Mechanical vibration Balance quality requirements for rotors in a constant (rigid) state Part 1: Specification and verification of balance tolerances |
| ISO 2372:1974 | Mechanical vibration of machines with operating speeds from 10 to 200 rev/s Basis for specifying evaluation standards |
| ISO 281:2007 | Rolling bearings Dynamic load ratings and rating life |
| ISO 3506:1979 | Corrosion-resistant stainless steel fasteners — Specifications |
| ISO 7-1:1994 | Pipe threads where pressure-tight joints are made on the threads Part 1: Dimensions, tolerances and designation |
| ISO 3746:2010 | Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Survey method using an enveloping measurement surface over a reflecting plane |
| ISO 3555:1977 | Centrifugal, mixed flow and axial pumps — Code for acceptance tests — Class B |
| ISO 3274:1996 | Geometrical Product Specifications (GPS) — Surface texture: Profile method — Nominal characteristics of contact (stylus) instruments |
| ISO 2858:1975 | End-suction centrifugal pumps (rating 16 bar) — Designation, nominal duty point and dimensions |
| ISO 427:1983 | Wrought copper-tin alloys Chemical composition and forms of wrought products |
| ISO 185:2005 | Grey cast irons Classification |
| ISO 7005-1:2011 | Pipe flanges — Part 1: Steel flanges for industrial and general service piping systems |
| ISO 4863:1984 | Resilient shaft couplings — Information to be supplied by users and manufacturers |
| ISO 3755:1991 | Cast carbon steels for general engineering purposes |
| ISO 228-1:2000 | Pipe threads where pressure-tight joints are not made on the threads Part 1: Dimensions, tolerances and designation |
| ISO 3069:2000 | End-suction centrifugal pumps — Dimensions of cavities for mechanical seals and for soft packing |
| ISO 76:2006 | Rolling bearings Static load ratings |
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