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GB/T 32535-2016: Runouts, undercuts and chamfers for pipe threads
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 32535-2016 | English | 219 |
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Runouts, undercuts and chamfers for pipe threads
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GB/T 32535-2016
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Basic data | Standard ID | GB/T 32535-2016 (GB/T32535-2016) | | Description (Translated English) | Runouts, undercuts and chamfers for pipe threads | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J04 | | Classification of International Standard | 21.040.01 | | Word Count Estimation | 11,174 | | Date of Issue | 2016-02-24 | | Date of Implementation | 2016-09-01 | | Regulation (derived from) | National Standard Announcement No | | 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 | GB/T 32535-2016: Runouts, undercuts and chamfers for pipe 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.
Runouts, undercuts and chamfers for pipe threads
ICS 21.040.01
J04
National Standards of People's Republic of China
Pipe thread ending, from the shoulder, undercuts and chamfers
Issued on. 2016-02-24
2016-09-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard by the National Standardization Technical Committee thread (SAC/TC108) and focal points.
This standard is drafted by. Suzhou Edmond Control System Co., Ltd., machine Productivity Promotion Center.
Participated in the drafting of this standard. Valve Co., Ltd., Jiangsu bamboo Ze.
The main drafters. Zhang Xu increase, Li Xiaobin, Zhang Jiansheng.
Pipe thread ending, from the shoulder, undercuts and chamfers
1 Scope
This standard specifies a 55 ° sealing and non-sealing pipe thread (Rp, Rc, R1, R2 and G), 60 ° seal and dry seal pipe thread (NPT, NPSC, NPTF, PTF-SAESHORT, NPSF and NPSI) and metric seals thread (Mc and Mp) ending, from the shoulder, undercuts and chamfer dimensions.
55 ° sealing and non-sealing pipe thread conform (all parts), the provisions of GB/T 7306 and GB/T 7307's; 60 ° seal and dry seal pipe thread conform to the provisions of GB/T 12716 and GB/T 27944; and metric seals thread comply with GB/T 1415's.
This standard applies to pipe thread product design and processing.
2 Normative references
The following documents for the application of this document is essential. For cited documents with dates, only the dated edition applies to this document. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 3 common thread ending, from the shoulder, undercuts and chamfers
GB/T 1415 Metric thread seal
GB/T 7306 (all parts) 55 ° sealing pipe thread
GB/T 7307 55 ° non-sealing pipe thread
GB/T 12716 60 ° sealing pipe thread
GB/T 27944 60 ° dry seal pipe thread
3 Size Code
n --- Number of teeth
P --- Pitch
d --- the large diameter cylindrical or conical external thread external thread in the large diameter of the small end
D --- threaded inner cylindrical large diameter or large diameter tapered internal thread in the large end face
x --- external thread ending length
X --- ending internal thread length
a --- externally threaded length from shoulder
A --- threaded length from shoulder
dg --- external thread undercut bottom diameter
Dg --- internal thread undercut bottom diameter
g1 --- external thread undercut bottom width
g2 --- external thread undercut total width
G1 --- internal thread undercut bottom width
r --- arc radius undercut groove bottom and the side of the threaded connection
Arc radius R --- internal thread undercut and groove bottom side connected
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