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GB/T 27725-2011 English PDF

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GB/T 27725-2011: Butterfly valves of thermoplastics materials
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GB/T 27725-2011English329 Add to Cart 3 days [Need to translate] Butterfly valves of thermoplastics materials Valid GB/T 27725-2011

PDF similar to GB/T 27725-2011


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Basic data

Standard ID GB/T 27725-2011 (GB/T27725-2011)
Description (Translated English) Butterfly valves of thermoplastics materials
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G33
Classification of International Standard 83.140.30
Word Count Estimation 14,176
Date of Issue 2011-12-30
Date of Implementation 2012-07-01
Quoted Standard GB/T 1048-2005; GB/T 2828.1-2003; GB/T 7306.1-2000; GB/T 7306.2-2000; GB/T 8806-2008; GB/T 12222-2005; GB/T 17219-1998; GB/T 18475-2001; GB/T 19278-2003; GB/T 27726-2011; ISO 7005-2-1988; ISO 7005-3-1988; ISO 8233-1988; ISO 8659-1989; ISO 10931-2005; ISO 15493-2003; ISO 15494-2003; EN 1267-1999
Adopted Standard ISO 16136-2006, MOD
Regulation (derived from) Announcement of Newly Approved National Standards No. 22 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 thermoplastic valve (hereinafter referred to as butterfly) the terms and definitions, technical requirements, inspection rules, labels and signs, packaging, transportation and storage. This standard applies to general purpose industrial water, waste water and domestic hot and cold water systems, drinking water and HVAC system, with manual or power-driven butterfly valve.

GB/T 27725-2011: Butterfly valves of thermoplastics materials

---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.
Butterfly valves of thermoplastics materials ICS 83.140.30 G33 National Standards of People's Republic of China Thermoplastic Butterfly (ISO 16136.2006, Industrialvalves-Butterflyvalvesof thermoplasticsmaterials, MOD) 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

Foreword

This revised standard adopts ISO 16136.2006 "thermoplastic industrial valves butterfly." This standard and ISO 16136. compared to 2006, mainly technical changes are as follows. --- Range, increasing the life of hot and cold water, drinking water and the use of HVAC systems and increases the driving mode; --- 4.1, an increase of PE-RT material; --- Canceled pressure classification (class); --- The ISO 16136.2006 requirements in Chapter 4, into Chapter 6 of this standard; --- The ISO 16136.2006 test procedure in Chapter 5, and placed in Chapter 7 of this standard; --- Cancel the ISO 16136.2006 Chapter 6 commitments; --- The ISO 16136.2006 Chapter 7 design features, and placed in Chapter 5 of this standard; --- Increased life with hot and cold water, drinking water hygiene performance requirements for use of the butterfly; --- Increased torque performance requirements; --- Increased inspection rules. The standard proposed by China National Light Industry Council. This standard by the National Plastics Standardization Technical Committee of plastic pipe, fittings and valves at the Technical Committee (SAC/TC48 / SC3) centralized. This standard was drafted. Georg Fischer Piping Systems Ltd, Shanghai Sanshan letter State Science and Technology Co., AD Plastic Group Ltd., Youli Holding Group Co., Ltd., Ningbo Yuhua Electric Co. The main drafters of this standard. Zhao Qihui, Kejin Ling, Zhu Liping, Huang Jian, Xiao Yugang, Liwei Fu. Thermoplastic Butterfly

1 Scope

This standard specifies the thermoplastic valve (hereinafter referred to as butterfly) terms and definitions, technical requirements, inspection rules, signs and labels, packages Equipment, transportation and storage. This standard applies to general purpose industrial water, sewage and waste water systems and domestic hot and cold water, drinking water and HVAC systems, manually or Powered butterfly. This standard specifies the butterfly valve nominal diameter range is DN15, DN20, DN25, DN32, DN40, DN50, DN65, DN80, DN100, DN125, DN150, DN200, DN250, DN300, DN350, DN400, DN450, DN500 and DN600. Nominal Range PN0.6, PN1.0, PN1.6.

2 Normative references

The 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 1048-2005 conduit elements PN (nominal pressure) of the definition and selection (ISO /CD7268.1996, MOD) GB/T 2828.1-2003 Sampling procedures for inspection - Part 1. by acceptance quality limit (AQL) retrieval batch test sample Programme (ISO 2859-1.1999, IDT) GB/T 7306.1-2000 55 ° sealing pipe thread - Part 1. the inner cylindrical thread and taper external thread (eqv ISO 7-1.1994) GB/T 7306.2-2000 55 ° sealing pipe thread Part 2. internal Taper internal and external threads (eqv ISO 7-1.1994) GB/T 8806-2008 Plastics piping systems - Plastics components - Determination of dimensions (ISO 3126.2005, IDT) GB/T 12222-2005 multi-turn valve actuator connecting means GB/T 17219-1998 drinking water distribution equipment and protective materials safety evaluation of GB/T 18475-2001 Thermoplastics pipes and fittings for pressure applications classification and designation - Overall service (design) coefficient (Eqv ISO 12162.1995) GB/T 19278-2003 Thermoplastics pipes, fittings and valves General terms and their definitions GB/T 27726-2011 Thermoplastics valves - Pressure test methods and requirements (ISO 9393-1.2004, MOD) ISO 7005-2. 1988 metal flanges - Part 2. Cast iron pipe flanges ISO 7005-3. 1988 metal flanges - Part 3. Copper alloy and composite flanges ISO 8233. 1988 Thermoplastics valves - Torque - Test methods ISO 8659. 1989 Thermoplastics valves - Fatigue strength test method ISO 10931.2005 Plastics piping systems for industrial specification polyvinylidene fluoride (PVDF), components and systems ISO 15493.2003 Plastics piping systems for industrial Acrylonitrile - butadiene - styrene (ABS), hard polyvinyl chloride (PVC-U) and Chlorinated polyvinyl chloride (PVC-C) components and systems specifications Metric series ISO 15494.2003 Plastics piping systems for industrial polybutylene (PB), polyethylene (PE) and polypropylene (PP) components and systems Specification Metric series EN1267.1999 valve water as test medium Test the valve flow resistance

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