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GB/T 23300-2009: Parallel plane disc gate valves
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Std ID	Version	USD	Buy	Deliver [PDF] in	Title (Description)
GB/T 23300-2009	English	459	Add to Cart	4 days [Need to translate]	Parallel plane disc gate valves

GB/T 23300-2009: Parallel plane disc gate valves

---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.
Parallel plane disc gate valves ICS 47.020.30 U53 National Standards of People's Republic of China Flat gate valve Posted 2009-03-09 2009-11-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

Appendix A of this standard is an informative annex. The standard proposed by China State Shipbuilding Corporation. This standard by the National Marine Machinery Standardization Technical Committee Piping Accessories Technical Committee (SAC/TC137/SC3) centralized. This standard was drafted. Wuxi Jinyang pipeline Accessories Co., Ltd., China Shipbuilding Technology and Economy Research Institute, Shanghai Waigaoqiao Shipbuilding Co., Ltd., CCCC Shanghai Dredging Co., China Shipbuilding and Marine Engineering Design and Research Institute. The main drafters of this standard. Liu, the Cai Jianzhong Shen Li Sheng, Zhou Jianming, Chen Jie, Sun Jingming, Luo Yuan hair, Dai Xiaohu, Ferron, Hou Xiaoming, Zhang Weiming, Li Ning. Flat gate valve

1 Scope

This standard specifies the flange size according to ISO 7005-1 slab gate valves (hereinafter referred to as gate) of classification and labeling, requirements, testing Methods, inspection rules, marking, packaging, transportation and storage. This standard applies to the media as mud, water, fresh water, oil, marine piping with gate design, manufacture and acceptance.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 191 Packaging - Pictorial signs (GB/T 191-2008, ISO 780.1997, MOD) GB/T 600 marine piping valves General technical requirements GB/T 699-1999 quality carbon structural steel GB/T 700-2006 carbon structural steel (ISO 630.1995, NEQ) GB/T 1220-2007 stainless steel rod GB/T 1348-1988 ductile iron castings GB/T 2100-2002 general-purpose corrosion resistant steel castings (eqvISO 11972.1998) Flag GB/T 3032 Ship pipeline accessories GB/T 3280-2007 cold-rolled stainless steel sheet and strip GB/T 6388 transport package shipping mark GB/T 13342-2007 Marine reciprocating hydraulic cylinder General technical conditions GB/T 17219 in drinking water safety equipment and protective materials evaluation criteria CB/T 3617 and its annex piping special coating quality requirements HG/T 3089-2001 fuel with rubber O-ring material HG/T 3091-2000 rubber seals, drainage and sewerage pipelines - Interface ring material specification (idtISO 4633. 1996) HG/T 3093-1988 petroleum-based oil pipelines and fittings with rubber seal products rubber (eqvISO 6488. 1985)

3 Classification and Marking

Type 3.1 Gate divided into the following three types. a) S --- manually type plate valve; b) Y type --- pilot single cylinder plate valve; c) YD type --- hydraulic control valve flat twin cylinder. 3.2 Basic parameters The basic parameters of the valve are shown in Table 1. ...