Guangxi Liugong Machinery Co., Ltd. Enterprise Standard Hose Design and Usage Specification QJ / LG 03.39-2010 Purpose and Scope 1. This document specifies the design and standardized management of hose fittings.
2, This document is applicable to the design and standard management of common hose fittings of all product lines of the company.
Preparation of agricultural flood into, Li Guozhen Lin Jianrong approved the approval of the date of implementation of the standard reference standard see the standard text "reference standards and terminology" 1 The purpose and scope of this document specifies the hose connector design and standardized management.
This document applies to the company's product line commonly used hose connector design and standardized management.
2 Normative references The following standards contain provisions which, through reference in this text, constitute provisions of this standard.
The versions shown are valid at the time of standard publication.
All standards will be revised, the parties using this standard should explore the possibility of using the latest version of the following standards.
TW / LG 03.7.03.04. TITLES - 2010 CONNECTING TOOL CONTROL SPECIFICATION ISO 8434-1: 2007 Metallic fittings for fluid transmission and general purpose ISO 12151-2: 1999 Hose fittings for fluid transmission and general purpose ISO 6162-1: 2002 Flanged Fittings with Split or Integral Flanges and Metric or Imperial Bolts (Standard Pressure Series) ISO 6162-2: 2002 with Split or Integral Flanges and Metric or Imperial Bolts Flange Fittings (High Pressure Series) SAE J518: 1993 Flanged Hydraulic Pipe Fittings QJ / LG 03.38-2010 "O-Rings for Pipe Fittings" 3 Terms: Institutes: Academia Sinica Host Institute (Institute), the Institute of Parts (Institute).
4 Duties 4.1 Each institute (institute) designer is responsible for providing the Hydraulic Parts Institute with the structural schematic and key dimensions of the new hose joint.
4.2 Hydraulic Parts Institute is responsible for the design and classification of all hose connector drawings management.
5 Activity Program 5.1 Structure of Hose Fitting The 24-degree cone hose joint consists of a connecting sleeve, a joint core, a nut and an O-ring.
Flange hose connector by the connector sleeve, connector core.
As shown in Figure 1.
QJ / LG 03.39-2010 2 Figure 1 Hose connector assembly 5.2 Design of connector core 5.2.1 Types of standard connector core 1) Standard connector core is connected according to TW / LG 03.7.03.04.2010 "Connector control code" The form is divided into two types: 24 degree cone connection and flange connection, as shown in Figure 2; 2) Standard joint core bending angle