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GB/T 24649.4-2009 English PDF

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US$229.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 24649.4-2009: Brake valve of pneumatic braking system of tractor-trailers -- Specifications
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 24649.4-2009	229	Add to Cart	3 days	Brake valve of pneumatic braking system of tractor-trailers -- Specifications	Valid

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Basic data

Standard ID: GB/T 24649.4-2009 (GB/T24649.4-2009)
Description (Translated English): Brake valve of pneumatic braking system of tractor-trailers -- Specifications
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: T66
Classification of International Standard: 65.060.10
Word Count Estimation: 10,156
Date of Issue: 2009-11-15
Date of Implementation: 2010-05-01
Quoted Standard: GB/T 2828.1; GB/T 13384; JB/T 5673-1991
Regulation (derived from): National Standard Approval Announcement 2009 No.13 (Total No.153)
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 a series of parameters tractor trailer air brake system air brake valve, technical requirements, test methods, inspection rules, signs, packaging, transport and storage requirements. This section applies to a tractor trailer air brake system air brake (hereinafter referred to as the air brake).

GB/T 24649.4-2009: Brake valve of pneumatic braking system of tractor-trailers -- Specifications

---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.
Brake valve of pneumatic braking system of tractor-trailers. Specifications ICS 65.060.10 T66 National Standards of People's Republic of China Tractor trailer air brake air brake system Technical conditions Posted 2009-11-15 2010-05-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This part is proposed by China Machinery Industry Federation. This part of the National Standardization Technical Committee tractor (SAC/TC140) centralized. This section is drafted. Luoyang Tractor Research Institute, National Tractor Quality Supervision and Inspection Center. The main drafters of this section. WEAR BEHAVIORS, Chen Song, Qi Jinfeng, Liu Lingwen, still Rope. Tractor trailer air brake air brake system Technical conditions

1 Scope

This section GB/T 24649 specifies the tractor trailer air brake system air brake valve series of parameters, technical requirements, test methods, Inspection rules, marking, packaging, transportation and storage requirements. This section applies to tractor trailer air brake system air brake valve (hereinafter referred to as air brake).

2 Normative references

The following documents contain provisions which, through reference GB/T 24649 in this section constitute provisions of this section. For dated reference documents Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section. GB/T 2828.1 Sampling procedures for inspection - Part 1. by acceptance quality limit (AQL) retrieval batch inspection sampling plan (GB/T 2828.1-2003, ISO 2859-1.1999, IDT) GB/T 13384 mechanical and electrical products packaging General technical conditions JB/T 5673-1991 agricultural and forestry tractors and machinery paint general technical conditions Parameter 3 Series Tractor trailer air brake system with air brake valve series parameter shall conform to Table 1. Table 1 Model QFJ-6/630 QFJ-8/630 QFJ-10/630 Rated pressure/kPa 630 630 630 Rated Path/mm ≥6 ≥8 ≥10 Supporting total brake chamber given volume/L ≤1.5 ≤2.5 ≤4 4. Technical Requirements 4.1 General Requirements 4.1.1 The air brake should be manufactured in accordance with prescribed procedures approved product drawings and technical documents. 4.1.2 air brake surface should be smooth, flat, should have no flash, burrs, metal plating and the oxidation layer should be no peeling and rust, painted surfaces Shall comply with the provisions of JB/T 5673-1991 in the TQ-2-2. 4.1.3 air brake should be able to work between -30 ℃ ~ 70 ℃. 4.2 Performance Requirements 4.2.1 air brake brake light switch acting lowest pressure Air brake brake light switch minimum acting pressure should be between 20kPa ~ 80kPa. 4.2.2 Static Characteristics 4.2.2.1 Static characteristics should meet the design requirements, the minimum equilibrium pressure should not exceed 50kPa. 4.2.2.2 within a predetermined range, the output pressure of the plunger (pedal or pull the arm) and the push rod stroke (pedal or pull arm) holding force follower relationship. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 24649.4-2009_English be delivered?

Answer: Upon your order, we will start to translate GB/T 24649.4-2009_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 24649.4-2009_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 24649.4-2009_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.