1 范围

本规范规定了液化烃球罐紧急切断阀的选型设计原则和最低要求。

本规范适用于中国石化新建、扩建及改建石油炼制、石油化工工程项目的液化烃球罐紧急切断阀的选型设计。

2 规范性引用文件

下列文件对于本规范的应用是必不可少的。凡是注日期的引用文件，仅注日期的版本适用于本标准。凡是不注日期的引用文件，其最新版本（包括所有的修改单）适用于本规范。

GB 19666-2005 阻燃和耐火电线电缆通则

GB 50160-2008 石油化工企业设计防火规范

SH 3020-2001 石油化工仪表供气设计规范

SH 3038-2000 石油化工企业生产装置电力设计技术规范

TSG R0004-2009 固定式压力容器安全技术监察规程

ISO 5211 Industrial Valves - Part-Turn Actuator Attachments

ISO 5752 Metal Valves for Use in Flanged Pipe Systems - Face-to-Face and Centre-to-Face Dimensions

IEC 60085 Electrical insulation – Thermal evaluation and designation

IEC 60529 Degrees of Protection Provided by Enclosures (IP Code)

IEC 60534-4 Industrial-Process Control Valves - Part 4: Inspection and Routine Testing

API 598 Valve Inspection and Testing

API 607 Fire Test for Soft-seated Quarter-turn Valves

API 609 Butterfly Valves: Double-flanged, Lug- and Wafer-type

API 6FA Specification for Fire Test for Valves

API 6D Specification for Pipeline Valves

ASME B1.20.1 Pipe Threads, General Purpose (Inch)

ASME B16.5 Pipe Flanges and Flanged Fittings

NPS 1/2 Through NPS 24 Metric/Inch Standard

ASME B16.10 Face-to-Face and End-to-End Dimensions of Valves

ASME B16.25 Butt welding Ends

ASME B16.34 Valves - Flanged, Threaded and Welding End

ASME B46.1 Surface Texture (Surface Roughness, Waviness, and Lay)

ASTM A193 Standard Specification for Alloy-Steel and Stainless Steel Bolting for High Temperature or High Pressure Service and Other Special Purpose Applications

ASTM A320 Standard Specification for Alloy-Steel and Stainless Steel Bolting for Low-Temperature Service

FCI 70-2 Control Valve Seat Leakage

UL 1709 UL Standard for Safety Rapid Rise Fire Tests of Protection Materials for Structural Steel