GB/T 28494-2012

Active

Globe valves of thermoplastics materials

热塑性塑料截止阀

Standard Type
GBT
ICS
83.140.30;23.060.99
CCS
G 33
Status
Active
Issue Date
2012-06-29
Implementation
2012-11-01
Centralized Committee
全国塑料制品标准化技术委员会塑料管材、管件及阀门分技术委员会(SAC/TC 48/SC 3) / Subcommittee on Plastic Pipes, Fittings and Valves of National Technical Committee on Plastic Products Standardization
Issuing Authority
中华人民共和国国家质量监督检验检疫总局 / General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

Catalogue

前言 → 1 范围 → 2 规范性引用文件 → 3 术语、定义和符号 → 4 材料 → 5 一般要求 → 6 技术要求 → 7 试验方法 → 8 检验规则 → 9 标志、包装、运输、贮存 Foreword → 1 Scope → 2 Normative References → 3 Terms, Definitions and Symbols → 4 Materials → 5 General Requirements → 6 Technical Requirements → 7 Test Methods → 8 Inspection Rules → 9 Marking, Packaging, Transport and Storage

Scope

This standard specifies the definitions and symbols, materials, general requirements, technical requirements, test methods, inspection rules, marking, packaging, transport and storage of thermoplastics globe valves (hereinafter referred to as globe valves). This standard applies to manually or power-driven globe valves used in civil cold and hot water systems, drinking water systems, heating pipeline systems, and pipeline systems conveying industrial water and other non-aqueous media under conditions considering the chemical resistance and heat resistance of materials. The range of nominal sizes is DN 10, DN 15, DN 20, DN 25, DN 32, DN 40, DN 50, DN 65, DN 80, DN 100, DN 125 and DN 150. The range of nominal pressures is PN 0.6, PN 1.0, PN 1.6.

本标准规定了热塑性塑料截止阀(以下简称截止阀)的定义和符号,材料,一般要求,技术要求,试验方法,检验规则,标志,包装,运输,贮存。本标准适用于民用冷热水系统,饮用水系统,采暖管道系统和考虑材料的耐化学性和耐热性的条件下输送工业用水及其他非水介质管道系统中的手动或动力驱动的截止阀。公称尺寸的范围是 DN 10,DN 15,DN 20,DN 25,DN 32,DN 40,DN 50,DN 65,DN 80,DN 100,DN 125 和 DN 150。公称压力范围是 PN 0.6,PN 1.0,PN 1.6。

Normative References

Keywords

热塑性塑料 (thermoplastics) 截止阀 (globe valve) 公称尺寸 (nominal size) 公称压力 (nominal pressure) 冷热水系统 (cold and hot water systems) 饮用水系统 (drinking water systems) 采暖系统 (heating systems) 工业用水 (industrial water)

Application Summary AI generated

This standard is used by valve manufacturers, pipeline system designers, quality inspection agencies, and related engineers. They rely on it to design, produce, test, and accept thermoplastics globe valves, ensuring safe and reliable operation in cold/hot water, drinking water, heating, and industrial pipeline systems. Its importance lies in unifying product specifications and technical requirements, enhancing interchangeability and durability across various applications.

该标准主要被阀门制造商、管道系统设计师、质量检验机构以及相关工程技术人员使用。他们依据此标准来设计、生产、测试和验收热塑性塑料截止阀,确保阀门在冷热水、饮用水、采暖及工业管道系统中安全可靠地运行。该标准的重要性在于统一了产品规格和技术要求,提升了阀门在不同应用场景下的互换性和耐用性。

AI Summary AI generated

This standard specifies definitions, materials, technical requirements, and test methods for thermoplastics globe valves, applicable to civil cold/hot water, drinking water, heating, and industrial pipeline systems. Nominal sizes range from DN10 to DN150, with nominal pressures from PN0.6 to PN1.6. It modifies ISO 21787:2006, adding domestic water applications, torque requirements, and increasing fatigue strength cycles to 10,000.

本标准规定了热塑性塑料截止阀的定义、材料、技术要求、试验方法等,适用于民用冷热水、饮用水、采暖及工业管道系统。公称尺寸范围DN10至DN150,公称压力PN0.6至PN1.6。标准修改采用ISO 21787:2006,增加了生活用水用途、扭矩要求,并将疲劳强度循环次数提升至10000次。

Key Sentences extracted from text

1.

本标准规定了热塑性塑料截止阀(以下简称截止阀)的定义和符号,材料,一般要求,技术要求,试验方法,检验规则,标志,包装,运输,贮存。

2.

本标准适用于民用冷热水系统,饮用水系统,采暖管道系统和考虑材料的耐化学性和耐热性的条件下输送工业用水及其他非水介质管道系统中的手动或动力驱动的截止阀。

3.

公称尺寸的范围是 DN 10,DN 15,DN 20,DN 25,DN 32,DN 40,DN 50,DN 65,DN 80,DN 100,DN 125 和 DN 150。

4.

公称压力范围是 PN 0.6,PN 1.0,PN 1.6。

5.

本标准修改采用国际标准 ISO 21787:2006《工业阀门一热塑性塑料截止阀》。

7.

This standard specifies the definitions and symbols, materials, general requirements, technical requirements, test methods, inspection rules, marking, packaging, transport and storage of thermoplastics globe valves (hereinafter referred to as globe valves).

8.

This standard applies to manually or power-driven globe valves used in civil cold and hot water systems, drinking water systems, heating pipeline systems, and pipeline systems conveying industrial water and other non-aqueous media under conditions considering the chemical resistance and heat resistance of materials.

9.

The range of nominal sizes is DN 10, DN 15, DN 20, DN 25, DN 32, DN 40, DN 50, DN 65, DN 80, DN 100, DN 125 and DN 150.

10.

The range of nominal pressures is PN 0.6, PN 1.0, PN 1.6.

11.

This standard modifies the international standard ISO 21787:2006 'Industrial valves - Globe valves of thermoplastics materials'.

Related Standards

Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.