NS EN ISO 10437 : 1ED 2003

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Dimensions
5 Statutory requirements
6 Basic design
   6.1 General
   6.2 Nameplates and rotation arrows
7 Casings
   7.1 Pressure casings
   7.2 Casing connections
   7.3 Internal stationary components
   7.4 External forces and moments
8 Rotating elements
   8.1 General
   8.2 Shafts
   8.3 Blading
   8.4 Speed-sensing element
9 Rotor dynamics
   9.1 General
   9.2 Lateral analysis
   9.3 Unbalanced rotor response verification test
   9.4 Additional testing
   9.5 Torsional analysis
   9.6 Vibration and balancing
10 Bearings, bearing housings, and seals
   10.1 Radial bearings
   10.2 Thrust bearings and collars
   10.3 Bearing housing
   10.4 Grounding
   10.5 Shaft seals
11 Materials
   11.1 General
   11.2 Castings
   11.3 Welding
12 Controls and instrumentation
   12.1 General
   12.2 Turbine governing system
   12.3 Overspeed shutdown system
        12.3.1 General
        12.3.2 Electronic overspeed detection system
        12.3.3 Electro-hydraulic solenoid valves
        12.3.4 Trip valves/combined trip and throttle valves
   12.4 Other alarms and shutdowns
   12.5 Instrument and control panels
   12.6 Indicating instrumentation
        12.6.1 Tachometers
        12.6.2 Temperature gauges
        12.6.3 Thermowells
        12.6.4 Thermocouples and resistance temperature
               detectors
        12.6.5 Pressure gauges
13 Electrical systems
14 Piping and appurtenances
   14.1 General
   14.2 Oil piping
   14.3 Instrument piping
15 Accessories
   15.1 Couplings and guards
   15.2 Gear units
   15.3 Mounting plates
        15.3.1 General
        15.3.2 Baseplates
        15.3.3 Soleplates and subplates
   15.4 Relief valves
   15.5 Lubrication and control-oil system
   15.6 Gland vacuum systems
   15.7 Insulation and jacketing
   15.8 Turning gear
   15.9 Special tools
16 Inspection, testing and preparation for shipment
   16.1 General
   16.2 Inspection
        16.2.1 General
        16.2.2 Materials inspection
        16.2.3 Mechanical inspection
   16.3 Testing
        16.3.1 General
        16.3.2 Casing pressure hydro tests
        16.3.3 Mechanical running test
        16.3.4 Optional tests and inspections
   16.4 Preparation for shipment
17 Vendor's information
   17.1 General
   17.2 Proposals
        17.2.1 General
        17.2.2 Drawings
        17.2.3 Technical data
        17.2.4 Curves
   17.3 Contract data
        17.3.1 General
        17.3.2 Drawings and technical data
        17.3.3 Parts lists and recommended spares
        17.3.4 Installation, operation, maintenance and
               technical manuals
Annex A (informative) Typical data sheets
Annex B (informative) Steam turbine nomenclature
Annex C (normative) Procedures for determining residual
        unbalance
Annex D (informative) Alarm and shutdown systems
Annex E (normative) Coupling guards
Annex F (informative) Foundation drawings
Annex G (informative) Gland sealing and leak-off system
Annex H (informative) Typical inspection of components
Annex I (informative) Inspector's checklist
Annex J (informative) Vendor drawing and data requirements
        (VDDR)
Bibliography

Provides requirements and gives recommendations for the design, materials, fabrication, inspection, testing and preparation for shipment of steam turbines for special-purpose applications. It also covers the related lube-oil systems, instrumentation, control systems and auxiliary equipment.