GB/T 5894-2015 English PDF

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GB/T 5894-2015: Terminology of mechanical seal
Status: Valid

GB/T 5894: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 5894-2015	529	Add to Cart	5 days	Terminology of mechanical seal	Valid
GB/T 5894-1986	479	Add to Cart	4 days	The terms of mechanical seal	Obsolete

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Basic data

Standard ID: GB/T 5894-2015 (GB/T5894-2015)
Description (Translated English): Terminology of mechanical seal
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J22
Classification of International Standard: 21.140
Word Count Estimation: 25,234
Date of Issue: 2015-12-10
Date of Implementation: 2016-07-01
Older Standard (superseded by this standard): GB/T 5894-1986
Regulation (derived from): National Standard Announcement 2015 No.38
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the mechanical seal and the type of parts, fluid circulation and auxiliary systems, common design, testing and performance terms. This standard applies to the rotating shaft mechanical seal.

GB/T 5894-2015: Terminology of mechanical seal

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Terminology of mechanical seal ICS 21.140 J22 National Standards of People's Republic of China Replacing GB/T 5894-1986 Mechanical seal Terminology Issued on. 2015-12-10 2016-07-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Preface Ⅰ 1 Scope 1 2 types of mechanical seals and Terminology 1 3 mechanical seal parts and the corresponding term 5 4 fluid circulation and auxiliary systems - 7 5 common design, testing and performance term 9 Index 15

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard replaces GB/T 5894-1986 "mechanical seal terminology." This standard compared with GB/T 5894-1986, the main technical changes are as follows. --- Remove the "primary seal" "secondary seal" and other terms (see the 1986 version 2.9, 2.10); --- Modify the "secondary seal" is defined (see 3.10,1986 Version 2.11); --- Increased "face to face, back to back, facing the back double mechanical seal" "cartridge mechanical seal", "Flush," "isolation fluid" "Buffer fluid" and other terms (see 2.26 to 2.28,2.41,4.1,4.12,4.13). The standard proposed by China Machinery Industry Federation. This standard by the National Standardization Technical Committee on mechanical seal (SAC/TC491) centralized. This standard was drafted. Hefei General Machinery Research Institute, Tsinghua University, Hefei General Environmental Control Technology Co., Ltd., Zhejiang University, Beijing University of Chemical Technology. The main drafters of this standard. Li Kun, Wang Yuming, Peng Xudong, Wu Zhao Shan, Li Hong, Cai Jining, Yanghui Xia, Chen Zong marsh, Lifeng Cheng, Huang Weifeng, And Li. This standard replaces the standards previously issued as follows. --- GB/T 5894-1986. Mechanical seal Terminology

1 Scope

This standard specifies the mechanical seal and the type of parts, fluid circulation and auxiliary systems, common design, testing and performance terms. This standard applies to the rotating shaft mechanical seal.

2 types of mechanical seals and terminology

2.1 Mechanical seal mechanicalseal Seal faceseal At least one end surface perpendicular to the axis of rotation with a compensation mechanism in fluid pressure and elastic (or magnetic) and the role of secondary seal Maintaining close relative sliding end surface paste merger constituted a device to prevent fluid leakage. 2.2 Hydrodynamic mechanical seal hydrodynamicmechanicalseal Seals are designed to specific geometry, using the relative rotation of self-generated hydrodynamic effects of mechanical seals. 2.3 Tangential role in hydrodynamic mechanical seal tangentialactinghydrodynamicmechanicalseal Can tangential fluid hydrodynamic pressure distribution is formed dynamic pressure type mechanical seal. 2.4 Radially acting hydrodynamic mechanical seal radialactinghydrodynamicmechanicalseal Proactive role hydrodynamic mechanical seal positiveactinghydrodynamicmechanicalseal Capable of forming a dynamic pressure type mechanical seal has to resist leaking fluid pressure distribution in the fluid dynamic action in the radial direction. 2.5 Hydrostatic mechanical seal hydrostaticmechanicalseal Seals designed specific geometry, with an external pressure fluid introduced through the pressure medium itself or the sealing of the sealing interface Force drops a mechanical seal hydrostatic pressure effects. 2.6 External hydrostatic pressure mechanical seal outsidepressurizedhydrostaticmechanicalseal Hydrostatic pressure of the fluid introduced into the fluid mechanical seal from the outside. 2.7 Since hydrostatic pressure mechanical seal self-pressurizedhydrostaticmechanicalseal To be sealed as a fluid medium itself hydrostatic pressure of the fluid mechanical seal. 2.8 Hybrid composite fluid mechanical seal hydrodynamicandhydrostaticmechanicalseal Flow seal face design specific geometry, both external fluid pressure introduced through the pressure drop produced by the interface seal Hydrostatic effect body, but also take advantage of the relative rotation of the hydrodynamic effects of mechanical seals themselves. 2.9 Built-in mechanical seal internalymountedmechanicalseal Stationary ring mounted in a sealed cover (or equivalent sealing cap part) inner side (ie, the side facing the host working chamber) of the mechanical seal. ......

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