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GB/T 24319-2009Technical conditions of cauldron-using mechanical seal for high pressure (English PDF)

釜用高压机械密封技术条件

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

September 30, 2009

Implementation date

January 1, 2010

Scope

GB/T 24319-2009 is the English-translated version of 釜用高压机械密封技术条件.

GB/T 24319-2009 is the Chinese standard "Technical conditions of cauldron-using mechanical seal for high pressure". Its scope clause reads: This standard specifies the type structure with high-pressure autoclave mechanical seal, requirements, marking and packaging, supply kits and inspection rules.

This standard applies to carbon steel, stainless steel stirred autoclave with a vertical axis of the high pressure mechanical seal. Its operating parameters. pressure in the autoclave 6.3MPa ~ 10MPa (gauge pressure); internal temperature of not more than 350 °C; stirring shaft diameter 30mm ~ 220mm; is not greater than the linear velocity of 3m/s. Its clauses include structure type; requirements.

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Document preview — GB/T 24319-2009

National Standard of the People's Republic of China

ICS: 71.120.10
Classification: G 91

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

1 Scope
2 Normative references
3 structure type
4 Requirements

1 Scope

This standard specifies the type structure with high-pressure autoclave mechanical seal, requirements, marking and packaging, supply kits and inspection rules.

This standard applies to carbon steel, stainless steel stirred autoclave with a vertical axis of the high pressure mechanical seal. Its operating parameters. pressure in the autoclave

6.3MPa ~ 10MPa (gauge pressure); internal temperature of not more than 350 °C; stirring shaft diameter 30mm ~ 220mm; is not greater than the linear velocity of 3m/s.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent

Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research

Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.

GB/T 1184-1996 shape and position tolerances without individual tolerance value (eqvISO 2768-2. 1989)

GB/T 1239.2-2009 Cold coiled helical springs - Technical specifications - Part 2. Compression springs

GB/T 1804-2000 General tolerances for linear and angular dimensions without individual tolerance tolerance (eqvISO 2768-1. 1989)

HG/T 2098 Kettle mechanical seal series and the main parameters

HG/T 2099-2003 kettle mechanical seal test specification

HG/T 2122-2003 kettle mechanical seal auxiliary device

JB4726 pressure vessel carbon steel and low alloy steel forgings

JB4728 pressure vessel steel forgings

JB/T 7369 mechanical seal face flatness test methods

3 structure type

3.1

high-pressure autoclave with double-acting mechanical seal should be used or end structures according to working conditions, atmospheric side should balance the structure.

3.2

high-pressure autoclave with mechanical agitator shaft seal can be used as a fulcrum, if not as a fulcrum consider mixing shaft bearing parts should be positioned close to the mechanical seal

The end face. Locating bearing, short axis, bushings, mechanical seals, etc. combined into a cooling water jacket "reactor mixing sealing device."

4 Requirements

4.1 Material

Kettle mechanical seal type of material with high pressure shall comply with HG/T 2098's. Friction material should be used in tungsten carbide, silicon carbide, high-strength

Of graphite. Rotating ring, stationary ring, secondary seal, material quality certificates should be used by the spring. Mechanical seal sealing liquid must choose

Shall consider and process compatibility.

4.2 Manufacturing

4.2.1

seal chamber pressure and other forgings shall JB4726, JB4728 corresponding provisions for processing, and inspection reports.

4.2.2

rotating ring, stationary ring, stationary ring seat should be taken to eliminate work stress measures.

4.2.3

rotating ring, stationary ring seal faces should not have scratches, pores, dents and other defects affect the sealing performance, seal face flatness Press

JB/T 7369 testing, the flatness of not more than 0.9µm, roughness R Rao <=0.20µm.

Parallelism tolerance 4.2.4 rotating ring, stationary ring seal ring abutting surface and the seal face by GB/T 1184-1996 Appendix B Table B. 3

Class 5 tolerance requirements.

4.2.5

sealed cavity holder is mounted stationary ring plane parts for grinding, powder painted with red lead inspection, the bonding rate should be greater than 80%.

4.2.6

rotating ring, the stationary ring and the secondary seal contact area of the surface roughness R Rao <=1.6µm, cylindrical bore size or tolerance, respectively

GB/T 29465-2023 | GB/T 23711.8-2019 | HG/T 20537.3-1992 | GB/T 47763-2026 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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