BS 7775:1995
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Specification for penstocks
Hardcopy , PDF
26-09-2005
English
15-04-1995
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Committees responsible
Foreword
Section 1. General
1.1 Scope
1.2 References
1.3 Definitions
Section 2. Design, manufacture, materials, dimensions,
tolerances and coatings
2.1 Design and manufacture
2.2 Materials
2.3 Dimensions and tolerances
2.4 Protective coatings
Section 3. Testing and inspection
3.1 Functional testing
3.2 Inspection procedures
Section 4. Designation and marking
4.1 Designation
4.2 Marking
Section 5. Transportation, installation, operation and
maintenance documentation
5.1 Preparation for transportation
5.2 Installation, operation and maintenance
documentation
Annexes
A (normative) Information to be supplied by the
purchaser
B (normative) On-site leakage test
C (normative) Alternative material combinations
Tables
1 Cast iron frames and doors with all metal seals
2 Cast iron frames and doors with metal and resilient
seals
3 Cast iron frames and doors with metal and low
friction seals
4 Steel frames and composite doors with plastic and
resilient seals
5 Steel frames and composite doors with plastic and
low friction seals
6 Steel frames and doors with all metal seals
7 Steel frames and doors with metal and resilient
seals
8 Steel frames and doors with metal and low friction
seals
9 Circular aperture sizes
10 Square aperture sizes
11 Aperture sizes for rectangular penstocks (width x
height)
12 Penstock aperture tolerances
13 Penstock leakage rate
14 Designation structure for purchasing purposes
15 Penstock type/type of fixing
16 Penstock generic names code
17 Penstock frame or door construction material
symbols
18 Penstock seal combination symbols
Figures
1 Typical penstock components
2 Seating arrangements
List of references
Gives a specification for different types and configurations of penstock for use in liquid flow applications. Includes the following sections: design, manufacture, materials, dimensions, tolerances and coatings; testing and inspection; designation and marking; transportation, installation, operation and maintenance documentation. Also gives detailed definitions, diagrams, annexes and tables.
| Committee |
PSE/18/3
|
| DevelopmentNote |
DRAFT FOR COMMENT 93/702839 DC
|
| DocumentType |
Standard
|
| Pages |
30
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| 04/30111467 DC : DRAFT MAY 2004 | BS 5163-2 - VALVES FOR WATERWORKS PURPOSES - PART 2: STEM CAPS FOR USE ON ISOLATING VALVES AND ASSOCIATED WATER CONTROL APPARATUS - SPECIFICATION |
| BS 5163-2:2004 | Valves for waterworks purposes Stem caps for use on isolating valves and associated water control apparatus. Specification |
| BS PAS 1188-1(2003) : 2003 | FLOOD PROTECTION PRODUCTS - SPECIFICATION - PART 1: BUILDING APERTURES |
| BS 5135:1984 | Specification for arc welding of carbon and carbon manganese steels |
| BS 4190:1967 | Specification for ISO metric black hexagon bolts, screws and nuts |
| BS 2789:1985 | Specification for spheroidal graphite or nodular graphite cast iron |
| BS 2994:1976 | Specification for cold rolled steel sections |
| BS 4870-4:1988 | Specification for approval testing of welding procedures Specification for automatic fusion welding of metallic materials, including welding operator approval |
| BS EN 10034:1993 | Structural steel I and H sections. Tolerances on shape and dimensions |
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