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GB/T 40709-2021 English PDF

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US$119.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 40709-2021: Technical requirements for swell compensator of trailing suction hopper dredger
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 40709-2021	119	Add to Cart	3 days	Technical requirements for swell compensator of trailing suction hopper dredger	Valid

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Basic data

Standard ID: GB/T 40709-2021 (GB/T40709-2021)
Description (Translated English): Technical requirements for swell compensator of trailing suction hopper dredger
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: U34
Word Count Estimation: 6,669
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 40709-2021: Technical requirements for swell compensator of trailing suction hopper dredger

---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.
Technical requirements for swell compensator of trailing suction hopper dredger ICS 47.020.20 U34 National Standards of People's Republic of China Technical requirements for trailing suction dredger wave compensator Released on 2021-10-11 2022-05-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee

Foreword Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Composition 1 5 Hydraulic cylinder 2 6 Accumulator 2 7 pulley 3 8 Safety device 3

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the Ministry of Transport of the People's Republic of China. This standard is under the jurisdiction of the National Port Standardization Technical Committee (SAC/TC530). Drafting organizations of this standard. CCCC Guangzhou Waterway Bureau Co., Ltd., China Communications Construction Co., Ltd., CCCC Dredging (Group) Co., Ltd. Co., Ltd., CCCC Tianjin Waterway Bureau Co., Ltd., CCCC Shanghai Waterway Bureau Co., Ltd., CCCC Dredging Technology and Equipment National Engineering Research Center have Co., Ltd., China Communications South China Communications Construction Co., Ltd. The main drafters of this standard. Cai Xianling, Zheng Biqian, Tian Junfeng, Liu Nianjun, Hou Mingxin, Li Daqing, Xu Ermin, Cai Hongxing, Huang Xuxin, Liu Jian, Li Ning, Li Xiaoyan, Zhong Zhisheng. Technical requirements for trailing suction dredger wave compensator

1 Scope

This standard specifies the composition of the trailing suction dredger wave compensator and the technical requirements for hydraulic cylinders, accumulators, pulleys, and safety devices. This standard is applicable to the wave compensator of trailing suction dredger, and the wave compensator of other ship types can be used as a reference.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article Pieces. For undated reference documents, the latest version (including all amendments) is applicable to this document. GB/T 150.1 Pressure Vessel Part 1.General Requirements GB/T 150.2 Pressure Vessel Part 2.Materials GB/T 150.3 Pressure Vessel Part 3.Design GB/T 150.4 Pressure Vessel Part 4.Manufacturing, Inspection and Acceptance GB/T 13342 General technical requirements for marine reciprocating hydraulic cylinders GB/T 27546-2011 Hoisting machinery pulley

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Trailing suction dredger wave compensator swelcompensatoroftrailingsuctionhopperdredger The hydraulic tensioning device for the drag head hoisting wire rope to ensure that the dredger can operate on waves and uneven seabed. 3.2 Accumulator A device that stores and releases energy in the hydro-pneumatic system of the trailing suction dredger wave compensator through the change of gas volume.

4 composition

The trailing suction dredger wave compensator (hereinafter referred to as the "wave compensator") is composed of hydraulic cylinders, accumulators, pulleys, wire ropes, etc., and its composition is shown Opinion Figure 1. ......

Image

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 40709-2021_English be delivered?

Answer: Upon your order, we will start to translate GB/T 40709-2021_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 40709-2021_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 40709-2021_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.