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BS 7775-1995 specification for penstocks

Standard Number:  BS 7775-1995
Title:  specification for penstocks
Language:  English
Replaced by Standard:  BS 7775:2005

Replacing Standard:  93/702839 DC

Publication Date:  1995/4/15
Execute Date:  1995/4/15
Status:  Withdrawn
International Classification for Standards (ICS)FLUID SYSTEMS AND COMPONENTS FOR GENERAL USE>>Valves>>Gate valves
Publisher:  British Standards
Price:  
Number of Pages:34P.;A4  

Description:   
Catalog: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  
File Format:  PDF(Acrobat Reader) or Word version doc Document
File Size:  635KB
Tile in English:  specification for penstocks

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