GB/T 10878-2011 English PDFUS$209.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 10878-2011: Special taps of taper threads for gas cylinders Status: Valid GB/T 10878: Historical versions
Basic dataStandard ID: GB/T 10878-2011 (GB/T10878-2011)Description (Translated English): Special taps of taper threads for gas cylinders Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: J74 Classification of International Standard: 23.020.30 Word Count Estimation: 9,925 Date of Issue: 2011-12-30 Date of Implementation: 2012-07-01 Older Standard (superseded by this standard): GB 10878-1999 Quoted Standard: GB/T 145; GB 8335 Regulation (derived from): Announcement of Newly Approved National Standards No. 23 of 2011 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 cylinder tap taper thread type and size, technical requirements, performance testing, marking and packaging. This standard applies to the processing line with GB 8335 in taper thread taps. GB/T 10878-2011: Special taps of taper threads for gas cylinders---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.Special taps of taper threads for gas cylinders ICS 23.020.30 J74 National Standards of People's Republic of China Replacing GB 10878-1999 Cylinder tapered thread tap Issued on. 2011-12-30 2012-07-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released ForewordAccordance with the standards GB/T 1.1-2009. Drafting Rules "Standardization Guide Part 1 standard structure and preparation of" given. This standard replaces GB 10878-1999 "cylinder tapered thread tap." This standard compared with GB 10878-1999, the main changes are as follows. --- PZ19.2 tap the small diameter d1 16.872 to 16.876, the diameter d2 18.036 to 18.038, from 78 to change the total length L 75; --- PZ27.8 tap the small diameter d1 25.472 to 25.476, the diameter d2 26.636 to 26.638, square head by a length L2 24 to 20, the total length L from 85 to 80; --- PZ39.0 tap the small diameter d1 36.286 to 36.290, the diameter d2 37.643 to 37.645, square head by a length L2 28 to 24, 95 to 90 by the total length L. This standard by the National Standardization Technical Committee cylinder (SAC/TC31) presented and interpreted. This standard was drafted. Langfang Hengyu Tools Co., Ltd., Ningbo Fuhua Valve Co., Ltd. Xiangshan valves, high pressure Yung Shanghai Co., Ltd. The main drafters of this standard. Xiuzhi, the money originated, Weng Guodong, Chen Weiming, Guqiu Hua. This standard replaces the standards previously issued as follows. --- GB 10878-1989, GB 10878-1999. Cylinder tapered thread tap1 ScopeThis standard specifies the gas cylinder tap taper thread type and size, technical requirements, performance testing, marking and packing. This standard applies to the processing line with GB 8335 within the tapered thread tap.2 Normative referencesThe following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 145 center hole GB 8335 cylinders dedicated thread3 type and size3.1 Taps type and size specified in Figure 1 and Table 1. Figure 1 Taps types and dimensions Table 1 Taps Dimensions are in millimeters Code Number of teeth (Per 25.4mm) Pitch PL l L0 Basic size limit deviation L1 d 'Square Size Basic size limit deviation a L2 PZ19.2 PZ27.8 14 1.814 ± 0.9 6 16.0 12.5 16 0 -0.070 25.0 20.0 20 0 -0.084 PZ39.0 12 2.117 90 42 34 ± 1.1 7 31.5 0 -0.100 25.0 24 3.2 Taps thread tooth type and size specified in Figure 2 and Table 2. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 10878-2011_English be delivered?Answer: Upon your order, we will start to translate GB/T 10878-2011_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 10878-2011_English with my colleagues?Answer: Yes. 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Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 10878-2011 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |
