G91 化工机械与设备零部件 标准查询与下载

GB/T 29465-2023 浮头式热交换器用法兰

Flange for floating head heat exchanger

GB/T 29465-2012 浮头式热交换器用外头盖侧法兰

本标准规定了浮头式热交换器(含换热器和冷凝器)用外头盖侧法兰(以下简称“侧法兰”)的结构型式与系列尺寸。本标准适用于公称压力为0.6 MPa~6.4 MPa、工作温度-40℃~450℃。本标准适用腐蚀裕量不大于3 mm。

Shell flange-rear head end of floating heat exchangers

ASTM A307-21 拉强度60000 PSI碳素钢螺栓、螺柱和螺栓杆的标准规范

1.1?This specification2 covers the chemical and mechanical requirements of two grades of carbon steel bolts and studs in sizes 1/4?in. through 4 in. The fasteners are designated by “Grade” denoting tensile strength and intended use, as follows: Grade Description   ? G

Standard Specification for Carbon Steel Bolts, Studs, and Threaded Rod 60 000 PSI Tensile Strength

DIN EN IEC 60684-3-280:2020 柔性绝缘套管. 第3部分: 各种类型套管的规范. 第280页: 热收缩,聚烯烃,抗起痕套管(IEC 60684-3-280-2019); 德文版 EN IEC 60684-3-280-2019

This part of IEC 60684 gives the requirements for heat-shrinkable, polyolefin sleeving, anti-tracking with a nominal shrink ratio of 3:1.

Flexible insulating sleeving - Part 3: Specifications for individual types of sleeving - Sheet 280: Heat-shrinkable, polyolefin sleeving, anti-tracking (IEC 60684-3-280:2019); German version EN IEC 60684-3-280:2019

DIN 28132:2020 搅拌器. 搅拌器轴直径

This document specifies nominal diameters including diameters of shafts for agitators.

Agitators - Diameters of shafts for agitators

HG/T 4113～4114-2020 釜用机械密封气体泄漏测试方法和纸浆泵用机械密封技术条件（2020）

Test method for gas leakage of mechanical seals for kettles and technical conditions for mechanical seals for pulp pumps (2020)

HG/T 2100-2020 液环式氯气泵用机械密封

Mechanical seal for liquid ring chlorine pump

HG/T 2269-2020 釜用机械密封技术条件

Technical conditions for mechanical seals for kettles

HG/T 2099～2100-2020 釜用机械密封试验规范和液环式氯气泵用机械密封（2020）

Test specifications for mechanical seals for kettles and mechanical seals for liquid ring chlorine gas pumps (2020)

HG/T 2479-2020 机械密封用波形弹簧技术条件

Technical specifications of wave springs for mechanical seals

HG/T 2044-2020 机械密封用喷涂氧化铬密封环技术条件

Technical conditions for spray-coated chromium oxide sealing rings for mechanical seals

HG/T 2122-2020 釜用机械密封辅助装置

Kettle mechanical seal auxiliary device

HG/T 2099-2020 釜用机械密封试验规范

Specifications for testing of mechanical seals for kettles

HG/T 4114-2020 纸浆泵用机械密封技术条件

Technical specifications for mechanical seals for pulp pumps

HG/T 3124-2020 焊接金属波纹管釜用机械密封技术条件

Technical specifications for mechanical seals for welded metal bellows kettles

HG/T 4113-2020 釜用机械密封气体泄漏测试方法

Gas leakage test method for mechanical seals used in kettles

HG/T 2121-2018 可倾瓦径向滑动轴承技术条件

Technical specifications of tilting pad radial sliding bearings

DIN 28083:2017 带有加强板的支架

This standard applies to bracket supports for vessels. This standard allows a preselection of nominal sizes for bracket supports. In the course of the withdrawal of DIN 28083-2, a strength assesment has to be provided by the manufacturer in the future. This approach was taken into account when the document was drawn up.

Support brackets with reinforcing plate

HG/T 3182-2016 化工用泵名词术语

本标准规定了化工用泵分类、结构、性能、设计、运转、试验的名词术语。 本标准适用于化工过程用泵。

Glossary of terms for chemical pump

HG/T 20538-2016 衬塑钢管和管件选用系列

本标准规定了衬塑钢管和管件的术语和定义，分类及标记，使用条件，尺寸规格，技术要求，试验方法，检验规则和标记、包装、储存、运输等要求。 本标准适用于以聚丙烯(PP)、聚乙烯(PE)、聚烯烃(PO)、聚四氟乙烯(PTFE)、超高分子量 聚乙烯(UHMW-PE)为衬塑层，公称压力为PN10、PN16、Class150( PN20)，公称尺寸为DN25 mm~DN1200 mm的钢管和管件。 本标准不适用于内涂塑钢管和管件。

Selection series of plastic-lined pipe and fittings