People's Republic of China Industry Standard Quick open stainless steel movable cover HG/T21583-95 Editor: Equipment and Technology Center of Ministry of Chemical Industry Approval department: Ministry of Industry and Information Technology of Beijing Real date, September 1, 2011 Ministry of Chemical Industry Engineering Construction Standard Compilation Light Center Theme Internal rate and station related specifications Lighting standard Type and size Situation and Austrian practice Main wing size quality Two civil sizes in ... 4 Technical requirements.. Type pipe, fast aging insurance Yunlan's +1-1tt Tight production Unofficial request 4.B Youzu control stability 4. 0 installation 4.10 Uncompacted surface tightness test Marking and marking mark engraving...... 5.1 Marking 5.2 Marking examples Drawing catalog Abbreviation description .............. (12) (12) Document of the Ministry of Chemical Industry Chemical Construction Development No. 119951650wwW.bzxz.Net Notice on the promotion of five industry standards including "Plunger Type Discharge Valve" All provinces, autonomous regions, municipalities directly under the Central Government, and cities with independent planning status Chemical Industry Departments (bureaus, companies), all relevant units shall organize the establishment of technical centers and markets of the Ministry of Pharmaceutical Industry to promote the promotion of five industry standards including "Plunger Type Discharge Valve" and "Plunger Type Discharge Valve". It has been in effect since January 1950. This standard is managed by the Ministry of Equipment Design and Technology Center, and the Ministry of Engineering Design Standard Compilation Center is responsible for publishing and issuing. Document: Ministry of Chemical Industry, August 38, 1995, 16-18510, Subject Content and Scope of Application. This standard specifies the type, basic parameters, dimensions, technical requirements and relevant regulations of quick-opening stainless steel movable covers (hereinafter referred to as quick-opening covers). This standard is used for quick-opening salt with a nominal pressure of PN0.25MPa (2.5kgf/em\>r. This quick-opening cover is not suitable for medium with a toxic hazard or above and a dry and explosive hazard. Note that the upper and lower limits of the quick-opening cover should be kept within the limits specified by the manufacturer. The material quality is only listed in Table 4. 8.4 Established. GB-R31 CGB4237 CBE676 Referenced Standards 3 Steel Pressure Vessels3 Dense Standards 3Those with Standard Tolerances and Matchings3 Flow Smooth Low-Pressure Structural Steel Technical Requirements Certification System Technical Properties Classification of Steel Parts and Matchings without Notes on Standards Small Model Differences? A Share of Workers Holding War Steel3 3 Chain parts 3 JR/4709 Steel positive force gear connection process? JB4728 JB473C Positive force storage device using human-induced steel silver parts 3 Card force capacity sign no basis for measurement &Standardized chemical equipment scientific and technological development regulations Type and size 3.1.1 Quick opening is divided into two types: rotating disk (A type) and horizontal product cover (B type). See Figure 3.1.1-1~2 and Table 3.1.1-1~2 See Figure 3.1.1- Figure 3. 3. 1 - 2 GJ3 682—Be GB1-86 .GB 97. 2- g6 CB89286 GB 97. 2 86 GB 91-25 Article section Kang except Seek shape to the end [Transfer Note, the parts without note shall be abandoned by the designer. Table 3. 1- 1 -1 Q35--A ZG830 45: 225—A Q235-A Q235-A In this document, if the components are same, when the components are same, the requirements for making them should be changed to 304 stainless steel, similar to the customer's order (see Section 5.1).6 GR B39-75 GE5781-8 GB 97-1: 85 CB882--66 GB 97.1—85 GHA1-E Back bolt Kailan face Spherical head Hand probe Weakened plate my country plate Rotary auxiliary seat Table 3. 1. 1-2 Q235-A Q235-A 20230-453 Q235—A Q235-A Q235—A HT 200 Q235-A The material sample of the parts with unqualified material grade shall be calculated by the design and placed by the user. When the user requires a grade higher than 20, it shall be changed to 304 quality without restriction and shall not be indicated when ordering (must be specified in Section 1). 7 3. 2 Specifications and Types The specifications and corresponding types of quick-open lids shall be in accordance with the provisions of 3-2-1. 3.2.1 Specifications and Types 3.3 Main Dimensions and Quality The main dimensions and bases of quick-open lids shall be in accordance with the provisions of Table 3.3.1, Table 159×6 503×13 Table 3. 2. 1 Table 3. 3. 1 If the quick-open lid manufacturer changes the H, the change shall be allowed, but the height and size after the change shall be clearly indicated, and the front plate shall be changed. Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.