共找到 405 条与 化工机械与设备零部件 相关的标准,共 27 页
Flange for floating head heat exchanger
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
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
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
This document specifies nominal diameters including diameters of shafts for agitators.
Agitators - Diameters of shafts for agitators
Test method for gas leakage of mechanical seals for kettles and technical conditions for mechanical seals for pulp pumps (2020)
Mechanical seal for liquid ring chlorine pump
Technical conditions for mechanical seals for kettles
Test specifications for mechanical seals for kettles and mechanical seals for liquid ring chlorine gas pumps (2020)
Technical specifications of wave springs for mechanical seals
Technical conditions for spray-coated chromium oxide sealing rings for mechanical seals
Kettle mechanical seal auxiliary device
Specifications for testing of mechanical seals for kettles
Technical specifications for mechanical seals for pulp pumps
Technical specifications for mechanical seals for welded metal bellows kettles
Gas leakage test method for mechanical seals used in kettles
Technical specifications of tilting pad radial sliding bearings
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
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
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
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