ISO 18139:2017
Ships and marine technology — Globe valves for use in low temperature applications — Design and testing requirements
ISO 18139:2017 specifies design, manufacture and test method requirements for cryogenic globe valves for excellent quality leakage stability for use in a very low temperature environment (−50°C to −196°C).
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Pressure temperature rating
4.1 Types of fluid
4.2 Working pressure and design temperature
5 Structure
5.1 General structure of a globe valve
5.2 Body type and material
5.2.1 Type
5.2.2 Materials
5.2.3 Manufacturing
5.3 Types and materials of extended bonnet
5.3.1 Design
5.3.2 Materials
5.4 Plug types and materials
5.4.1 Design
5.4.2 Materials
5.5 Stem types and materials
5.5.1 Design
5.5.2 Materials
5.6 Stem sealing
5.7 Seat ring types and materials
5.7.1 Design
5.7.2 Materials
5.8 Bolts and nuts types and materials
5.8.1 Design
5.8.2 Materials
5.9 Driving system and operating device requirements
5.9.1 Driving system of the valve
5.9.2 Manual operation of the valve
5.9.3 Materials for operating devices
5.9.4 Explosion proof class
5.9.5 Checking open degree
5.9.6 Auto-operating devices
5.9.7 Sealing class for gear boxes
5.9.8 Installation direction of operating devices
5.9.9 Direction of open and closed
5.9.10 Special requirement
5.10 Surface treatment
5.11 Welding and heat treatment
5.11.1 Welding
5.11.2 Heat treatment
6 Test and inspection
6.1 Material test
6.2 Non-destructive inspection
6.2.1 Radiographic testing (RT)
6.2.2 Penetrant testing (PT)
6.2.3 Ultrasonic testing (UT)
6.2.4 Retest
6.2.5 Submission of inspection results
6.3 Dimension check
6.4 Visual inspection
6.5 Heat treatment inspection
6.6 Operating tests
6.7 Pressure tests, back seat tests and leak tests
6.7.1 Pressure tests
6.7.2 Back seat tests
6.8 Fire safety test
6.9 Cryogenic test
6.9.1 Scope of tests
6.9.2 Test procedure
6.9.3 Submission of test result
6.9.4 Marking
Annex A (informative) Cryogenic globe valve
Bibliography
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Pressure temperature rating
4.1 Types of fluid
4.2 Working pressure and design temperature
5 Structure
5.1 General structure of a globe valve
5.2 Body type and material
5.2.1 Type
5.2.2 Materials
5.2.3 Manufacturing
5.3 Types and materials of extended bonnet
5.3.1 Design
5.3.2 Materials
5.4 Plug types and materials
5.4.1 Design
5.4.2 Materials
5.5 Stem types and materials
5.5.1 Design
5.5.2 Materials
5.6 Stem sealing
5.7 Seat ring types and materials
5.7.1 Design
5.7.2 Materials
5.8 Bolts and nuts types and materials
5.8.1 Design
5.8.2 Materials
5.9 Driving system and operating device requirements
5.9.1 Driving system of the valve
5.9.2 Manual operation of the valve
5.9.3 Materials for operating devices
5.9.4 Explosion proof class
5.9.5 Checking open degree
5.9.6 Auto-operating devices
5.9.7 Sealing class for gear boxes
5.9.8 Installation direction of operating devices
5.9.9 Direction of open and closed
5.9.10 Special requirement
5.10 Surface treatment
5.11 Welding and heat treatment
5.11.1 Welding
5.11.2 Heat treatment
6 Test and inspection
6.1 Material test
6.2 Non-destructive inspection
6.2.1 Radiographic testing (RT)
6.2.2 Penetrant testing (PT)
6.2.3 Ultrasonic testing (UT)
6.2.4 Retest
6.2.5 Submission of inspection results
6.3 Dimension check
6.4 Visual inspection
6.5 Heat treatment inspection
6.6 Operating tests
6.7 Pressure tests, back seat tests and leak tests
6.7.1 Pressure tests
6.7.2 Back seat tests
6.8 Fire safety test
6.9 Cryogenic test
6.9.1 Scope of tests
6.9.2 Test procedure
6.9.3 Submission of test result
6.9.4 Marking
Annex A (informative) Cryogenic globe valve
Bibliography