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GB/T 1415-2008: Metric threads where pressure-tight joints are made on the threads
Status: Valid GB/T 1415: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 1415-2008 | English | 189 |
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Metric threads where pressure-tight joints are made on the threads
| Valid |
GB/T 1415-2008
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| GB/T 1415-1992 | English | 359 |
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Metric tape screw thread
| Obsolete |
GB/T 1415-1992
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PDF similar to GB/T 1415-2008
Basic data | Standard ID | GB/T 1415-2008 (GB/T1415-2008) | | Description (Translated English) | Metric threads where pressure-tight joints are made on the threads | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J04 | | Classification of International Standard | 21.040.30 | | Word Count Estimation | 8,850 | | Date of Issue | 2008-07-30 | | Date of Implementation | 2009-02-01 | | Older Standard (superseded by this standard) | GB/T 1415-1992 | | Quoted Standard | GB/T 192; GB/T 197; GB/T 14791 | | Regulation (derived from) | National Standard Approval Announcement 2008 No.12 (Total No.125) | | 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 type of tooth angle of 60 ��, tooth -type metric thread sealing, basic dimensions, tolerances and markings. There are two internal thread screw thread and the cylindrical inner cone, outer conical external threads only one thread. Inside, external threads can be composed of two sealed with form: Taper internal and external threads formed a " cone/cone" with, inner cylindrical thread and taper external threads to form the " column/cone" fit. This standard applies to the tube, valves, pipe fittings, generally seal on threaded coupling cocks and other products. When assembled, it is recommended to add the appropriate thread sealing deputy in the media, such as sealing tape, sealant. | GB/T 1415-2008: Metric threads where pressure-tight joints are made on the threads---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.
Metric threads where pressure-tight joints are made on the threads
ICS 21.040.30
J04
National Standards of People's Republic of China
Replacing GB/T 1415-1992
Metric thread seal
Posted 2008-07-30
2009-02-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard replaces GB/T 1415-1992 "Metric taper thread."
This standard and GB/T 1415-1992 compared to the major technical changes are as follows.
--- The new standard specifies the selection principle two kinds of reference distance, a clear correspondence between the two complexes and Two forms the reference distance (see
Chapter 5);
--- Remove the new standard 6 × 1,18 × 1.5,22 × 1.5,24 × 1.5,30 × 2,36 × 2,39 × 2,45 × 2,52 × 2 and 56 × 2
A total of 10 old standard (1992 edition Table 1; Table 1 edition);
--- The new standard increased by 16 × 1,72 × 3,76 × 2,90 × 2,90 × 3,115 × 2,115 × 3,140 × 2,140 × 3 and 170 × 3
A total of 10 new specifications (1992 edition Table 1; Table 1 edition);
--- The new standard will be the old standard of 12 × 1.5 to 12 × 1 (1992 edition Table 1; Table 1 edition);
--- The new standard older standard lengthened Short basic minimum size of the effective length of the thread (1992 edition Table 1; Table 1 edition);
--- The new standard has been adjusted to the pitch of 1mm and 1.5mm external threads reference plane limit deviations from the old standard
± 0.9mm and ± 1.1mm respectively adjusted to ± 0.7mm and ± 1mm \u200b\u200b(1992 edition Table 2; Table 2 edition);
--- The old standard large diameter tolerances and small diameter tolerances technical parameters adjusted to crest height and bottom teeth high tolerance parameters and tolerance values \u200b\u200binto
Line suitably compressed (1992 edition Table 3; Table 3 edition);
--- The new standard older standard deviation increase in the limit diameter taper (1992 edition Table A1; Excerpts of Table 4);
--- The new standard within a cylindrical tolerance zone for the pitch diameter 5H, while the old standard cylindrical inner thread diameter tolerance zone for the 6H (1992 edition
Chapter 6; this version 6.2.1);
GB/T 14791 threads term (GB/T 14791-1993, neq ISO 5408. 1983)
3 Terms and Code
3.1 Terms
Thread terminology used in this standard shall comply with the provisions of GB/T 14791 of.
3.2 Code
D --- threaded large diameter in the reference plane;
D2 --- internal thread within the reference plane of the pitch diameter;
D1 --- internal thread within the reference plane trails;
P --- pitch;
H --- original height triangle;
L1 --- reference distance;
L2 --- effective thread length;
φ --- taper thread cone angle half;
T1 --- conical outer thread reference distance (the reference plane location) tolerance;
T2 --- taper thread within the reference distance (the reference plane location) tolerance.
4 tooth type
Basic tooth type sealing cone metric threads shall comply with the requirements of Figure 1; the basic tooth type inner thread Metric cylindrical seal should be consistent
GB/T 192 requirements. Conical thread taper 1.16.
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