BS 7775(1995) : 1995

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.