This standard specifies the product classification, technical requirements, test methods, inspection rules, marking and packaging of bronze and cast iron stuffing cocks for marine flanges (hereinafter referred to as cocks) with flange connection dimensions in accordance with GB569 and GB2501. This standard is applicable to marine piping systems with the media being seawater, fresh water, lubricating oil and fuel oil. GB/T 593-1993 Bronze and cast iron stuffing cocks for marine flanges GB/T593-1993 Standard download decompression password: www.bzxz.net

EDC 629. 12. 01 - 621. 646. 753
National Standard of the People's Republic of China
GB/T 593-93
Marine bronze and cast iron flanged cocksPublished on 1993-05-24
Implemented on 1994-01-01
Published by the State Administration of Technical Supervision
National Standard of the People's Republic of China
Marine hronze nnd cast iron stuffing cocksSubject content and applicable scope
GB/T 593.-93
Substitute GB593-76
This standard specifies the product classification, technical requirements, test force method, inspection rules, marking and packaging of flange connection dimensions, GB569, GB25C1 marine flanges, transmission plugs (hereinafter referred to as special rates). This standard is applicable to irradiation pipe systems with seawater, flooded water, lubricating and fuel oil. 2 Reference standards
GF569 Interpretation of connection dimensions and dimensions GB600 Ship's transmission parts and technical system GB2501 Ship flange connection dimensions and dimensions (four-digit) GB3032 Ship's accessories marking
GB1168 Ship's flange connection metal structure length ZT1/T1:58001 Temporary casting ring wall
3 Product classification
3.1 Type of rotation
1. Type S: 1. Type flange connection dimensions according to GB561; 2. Type T: 2. Type T-type flange connection dimensions according to GB529; 3. Type S: 1. Type flange connection dimensions according to GB2501; 4. Type T-type flange connection dimensions according to GB529; 5. Type TS: 2. Type flange connection dimensions according to GB2501's tee, etc. 3.2 The parameters of the plug are as shown in Table 1. 3-3 Structural dimensions of the plug 3.31 Structural dimensions of type A, type L and type T are as shown in Table 1~Figure 3, Table 2, approved by the State Administration of Technology Supervision on May 24, 1993. Diameter DN 20--80 1994-01-01 GE/T 533-53 Figure 1 Type A, type AS GB/T 593--93 Figure 2 Type S GB/T 593-93 Figure 3 Type T TS Overall dimensions GB/T 593 - The structural dimensions of 93S and IS type are in accordance with Figure 1-3 and Table 4. The dimensions of the installation and the energy-saving room are in accordance with Figure 43.3. 3 The overall dimensions of CB/T593-93AS, IS type and TS type are in accordance with Figure 1-3 and Table 5. Table 5
Outer dimensions
Marking water example
Sit, kg
rrirrt
Nominal pressure is .6MPa, nominal diameter is 20mm. According to the flange quick connection size of B569 and the cover of the inner filling skirt
A02UQGB/T59---93
Nominal pressure is .6MPa, nominal diameter is 20mLm, according to the method of GB2501 connection technology size and tightness (Sichuan Jinjiu) Lantong 1. Type bronze floor material navigation plug:
S602GQGB/T593-93
Nominal pressure is 9.6MPa, and the nominal diameter is 0mm. According to the flange reverse connection size and the tight surface three-dimensional cast wire packing case of G569
Top seat T6020HtGB/T59393
Nominal force is 0.6MPa. The nominal diameter is 20mm, according to the flange connection size and the tight surface (four-position) straight cast filling cock of GB2501:
Late case AS020
4 Technical requirements
GB/T 593-93bzxZ.net
GR/T593--93
4.2 The main material specifications of the components shall be in accordance with GB563, GB2501.4.4 Type A5, 1.S type TS type rubber fiber structure length strength GB 11584.5 Type ZR/T IF5: G01.4.6 Tightness test method of GB600.
Test methods and inspection rules
Delays and charges for type quarantine inspection and factory inspection 75.1
Inspection items
Mechanical property test of parts
External inspection
Degree and material limit test
Compression test
Each set of rolled ink shall be inspected item by item according to the table? Only qualified ones can be shipped out of the factory 5.2
6 Marking and packaging
6.1 The marking of the whole shall be in accordance with GB3032,
6.2 The packaging of the whole shall be in accordance with GRS En.
Additional remarks:
This standard was proposed by Dalian Shipbuilding Industry Corporation. This standard is under the jurisdiction of the Shipbuilding Sub-Technical Committee. This standard was drafted by Dalian Ship Design Institute. The main drafter of this standard is Ma Heng
2Q5n1c-21
205na--5
Standard number
GKS435
Inspection requirements
Standard CB883.GDS439's standard
Control GGOU's provisions
This standard is based on the original standard CB318--76 flange iron auxiliary material widening standard CRM80-81N6 flange blue stuffing cock as bottom.
This standard has pure
Thanks to T. Figure push against supply,
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