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GB/T 30818-2014Fully welded body ball valves for pipeline transportation systems in petroleum and natural gas industries (English PDF)

石油和天然气工业管线输送系统用全焊接球阀

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

May 6, 2014

Implementation date

December 31, 2014

Scope

GB/T 30818-2014 is the English-translated version of 石油和天然气工业管线输送系统用全焊接球阀.

GB/T 30818-2014 is the Chinese standard "Fully welded body ball valves for pipeline transportation systems in petroleum and natural gas industries".

Its scope clause reads: This standard specifies the terms and definitions oil and gas industry pipeline transportation systems - all-welded ball valve, structure type and parameters, technical Requirements, materials, test methods and inspection rules, marking, packaging, storage and transportation.

This standard applies to nominal pressure PN16 ~ PN160 or Class150 ~ Class900, nominal size DN50 ~ DN1500 or NPS2 ~ NPS60; medium crude oil, refined oil and natural gas; pipeline delivery system with flanged and welded connection fully welded ball valve.

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Document preview — GB/T 30818-2014

National Standard of the People's Republic of China

ICS: 23.060.10
Classification: J 16

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 structure type and parameter
4.1 Structure type
4.2 Parameter
5 Technical requirements
5.1 Pressure - temperature rating
5.2 pressure valve seat and seals - temperature rating
5.3 valves and pipeline connecting terminal
5.4 length of the structure
5.5 valve channel
5.6 10 valve design strength
5.7 10 valve structure
5.8 welding and stress relief treatment
5.9 NDT
5.11 bypass vent and vent interface
5.12 venting, venting and grease piping
5.13 venting, venting and grease valve
5.15 indicating the degree of opening of the valve
5.16 locking means
5.17 lug
5.18 handwheel and handle
5.19 drive and extensions
5.20 transmission chain
5.21 Operation Torque
5.22 appearance quality
5.24 13 anti-corrosion coating
6 material
6.1 The main metal material
6.2 welding end
6.3 Non-metallic material
6.4 Toughness Requirements
6.5 sulfur chemical conditions
6.6 15 valve welding
7 Test methods and inspection rules
7.1 General
7.2 Test Method
7.3 Inspection Rules
8 Marking
9 protection, packaging and storage
10 orders and 22 sleeves
References

1 Scope

This standard specifies the terms and definitions oil and gas industry pipeline transportation systems - all-welded ball valve, structure type and parameters, technical

Requirements, materials, test methods and inspection rules, marking, packaging, storage and transportation.

This standard applies to nominal pressure PN16 ~ PN160 or Class150 ~ Class900, nominal size DN50 ~ DN1500 or

NPS2 ~ NPS60; medium crude oil, refined oil and natural gas; pipeline delivery system with flanged and welded connection fully welded ball valve.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein

Member. For undated references, the latest edition (including any amendments) applies to this document.

GB 150 (all parts) pressure vessel

GB/T 196 common thread basic size

GB/T 223 (all parts), steel and alloy chemical analysis method

RT Test Method. Test Part 1 GB/T 228.1 metallic materials tensile

GB/T 229 metal Charpy pendulum impact test method

GB/T 231.1 metallic materials Brinell hardness test - Part 1. Test methods

GB/T 1047 pipe element DN (nominal size) of the definition and selection

GB/T 3077 alloy steel

Part 1 GB/T 7306.1 55 ° sealing pipe thread. inner cylindrical thread and taper external thread

Part 2 GB/T 7306.2 55 ° sealing pipe thread. inner Taper internal and external threads

GB/T 9113 Integral steel pipe flanges

GB/T 12220 Universal Valve logo

Turn valve actuator connected to the GB/T 12223 Part

GB/T 12224 General requirements for steel valves

GB/T 12228 Universal valves carbon steel forgings

GB/T 13402 large-diameter steel pipe flanges

GB/T 21465 valve term

GB/T 26479 resilient sealing portion of the rotary valve Fire Test

JB/T 4730-2005 (all parts), non-destructive testing of pressure equipment

JB/T 4732 --- steel pressure vessel analysis and design standards

NB/T 47008-2010 Pressure for Carbon and Alloy Steel Forgings

NB/T 47009 cryogenic pressure equipment with low alloy steel forgings

NB/T 47014 pressure equipment welding procedure qualification

SY/T 0599 natural gas surface facilities sulfide stress cracking and stress corrosion cracking metal material requirements

ISO 228-1 non-thread sealing pipe thread connection - Part 1. Dimensions, tolerances and annotations (Pipethreadswherepressure- tightjointsarenotmadeonthethreads-Part 1. Dimensions, tolerancesanddimensions)

ASMEVIII Boiler and Pressure Vessel Code, Section VIII volume (ASMEBoilerandPressureVesselCodeVIII) […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 24 pages — is available in the English PDF.

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