Valid

GB/T 40515-2021Ships and marine technology - Globe valves for use in low temperature applications - Design and testing requirements (English PDF)

船舶和海上技术船用超低温截止阀设计与试验要求

Preview PDF

This is a limited preview

Buy now to download the full PDF (30 pages)

Need quotation for your management?

Get a formal quotation for GB/T 40515-2021 in 30 minutes.

Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

August 20, 2021

Implementation date

March 1, 2022

Scope

GB/T 40515-2021 is the English-translated version of 船舶和海上技术船用超低温截止阀设计与试验要求.

GB/T 40515-2021 is the Chinese standard "Ships and marine technology - Globe valves for use in low temperature applications - Design and testing requirements".

Its scope clause reads: This document specifies the design, manufacturing and test requirements for marine ultra-low temperature globe valves in ultra-low temperature environments (-196°C~-50°C).

Found what you need?

Document preview — GB/T 40515-2021

National Standard of the People's Republic of China

Classification: U 52

Issued by: State Administration for Market Regulation, China National Standardization Administration

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Pressure-temperature rating
4.1 Media type
4.2 Working pressure and design temperature
5 Structure
5.1 Basic structure of globe valve
5.2 Type and material of valve body
5.3 Type and material of the extended bonnet
5.4 Type and material of valve disc
5.5 Type and material of valve stem
5.6 Stem seal
5.7 Type and material of seat sealing ring
5.8 Types and materials of bolts and nuts
5.9 Requirements for driving devices and operating mechanisms
5.10 Surface treatment
5.11 Welding and heat treatment
6 Test and inspection
6.1 Material inspection
6.2 Non-destructive testing
6.3 Size
6.4 Appearance
6.5 Heat treatment
6.6 Operational performance test
6.7 Pressure test, upper seal test and tightness test
6.8 Fire test
6.9 Low temperature test
7 Sign
Appendix A (informative) Ultra-low temperature globe valve

1 Scope

This document specifies the design, manufacturing and test requirements for marine ultra-low temperature globe valves in ultra-low temperature environments (-196°C~-50°C).

2 Normative references

The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated quotations

Only the version corresponding to that date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to

This document.

ISO 5209 General purpose industrial valve marking (Generalpurposeindustrialvalves-Marking)

ISO 28921-1 Industrial valves cryogenic isolation valves Part 1.Design, manufacturing and product testing (Industrialvalves-

Isolatingvalvesforlow-temperatureapplications-Part 1.Design,manufacturingandproductiontes- ting)

ASMEB1.5 trapezoidal thread (AcmeScrewThreads)

ASMEB1.8 short-tooth trapezoidal thread (StubAcmeScrewFlangedFittings)

ASMEB16.5 pipe flanges and flange accessories (PipeFlangesandFlangedFittings)

ASMEB16.10 valve structure size (Face-to-FaceandEnd-to-EndDimensionsofValves)

ASMEB16.11 Socket-welding and threaded forged pipe fittings (ForgedFittings, Socket-WeldingandThreaded)

ASMEB16.25 Butt-weldingEnds

ASMEB16.34 Valves connected by flanges, threads and welding ends (Valves-Flanged, Threads, andWeldingEnd)

ASMEB16.47 Large Diameter Steel Flanges (LargeDiameterSteelFlanges)

ASMEB46.1 Surface characteristics (surface roughness, waviness and pattern direction) (SurfaceTexture(SurfaceRoughness,

Waviness,andLay))

ASTMA105/A105M Standard Specification for Carbon Steel Forgings for Pipes (Standard Specification for CarbonSteel

ForgingsforPipingApplications)

ASTMA182/A182M Forged or rolled alloy steel and stainless steel pipe flanges, forged pipe fittings, valves and components (Forgedor

RoledAloy-SteelPipeFlanges,ForgedFittingsandValvesandPartsforHigh-temperatureService)

ASTMA194/A194M Carbon steel and alloy steel nuts for high temperature or high pressure or high temperature and high pressure bolts (CarbonandAloySteel

NutsandBoltsforHigh-PressureandHigh-TemperatureService)

ASTMA216/A216M Standard Specification for High Temperature Fusible Carbon Steel Castings (Standard Specification for Steel Castings

CarbonSuitableforFusionWelding,forHigh-TemperatureService)

ASTMA312/A312M seamless, welded and heavily cold-worked austenitic stainless steel pipe (StandardSpecificationfor

Seamless, Welded, andHeavilyColdWorkedAusteniticStainlessSteelPipes)

ASTMA320/A320M alloy steel and stainless steel bolt material for low temperature (Aloys-SteelBoltingmaterialforLow-

Temperatureservice)

ASTMA350/A350M Carbon steel and low alloy steel forgings (Forgings, Carbon andLow-AloySteel,RequiringNotchToughnessTestingforPipingComponents)

GB/T 586 | GB/T 589 | GB/T 592 | GB/T 44678 | GB/T 19699 | […]

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 30 pages — is available in the English PDF.

Referenced standards

Normative references

ISO 5209 · ISO 28921

How to Download GB/T 40515-2021

1
Add to cart
Click "Download PDF" on this page and choose "Buy this standard". You can add more standards before checkout.
2
Checkout
Enter your email and billing details. Payment is processed securely by Stripe (cards or bank transfer). Prefer bank details? Request a quotation (min. order $300).
3
Instant delivery (0–9 sec)
Delivery is automatic: within seconds of payment you'll receive an email with a secure download link. The link stays valid for 72 hours.
4
Invoice included
A tax invoice is attached to the confirmation email. Need a custom invoice? Contact us.