GB/T 16412-2009 English PDF

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GB/T 16412-2009: Conveyor belts -- Propane single burner flammability test method
Status: Valid

GB/T 16412: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 16412-2009	209	Add to Cart	3 days	Conveyor belts -- Propane single burner flammability test method	Valid
GB/T 16412-1996	399	Add to Cart	3 days	Test method for burn test of conveyor belt using propane burner	Obsolete

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GB/T 13552   GB/T 18426   GB/T 14905   GB/T 28267.3   GB/T 10541   

Basic data

Standard ID: GB/T 16412-2009 (GB/T16412-2009)
Description (Translated English): Conveyor belts -- Propane single burner flammability test method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G42
Classification of International Standard: 53.040.20
Word Count Estimation: 9,963
Date of Issue: 2009-04-24
Date of Implementation: 2009-12-01
Older Standard (superseded by this standard): GB/T 16412-1996
Quoted Standard: ISO 9162: 1989
Adopted Standard: BS EN 12881-1-2005, NEQ
Regulation (derived from): National Standard Approval Announcement 2009 No.6 (Total No.146)
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 provides a single burner propane combustion assay sample two meters conveyor belt flammability test methods. This standard applies to the conveyor belt general propane combustion test.

GB/T 16412-2009: Conveyor belts -- Propane single burner flammability test method

---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.
Conveyor belts. Propane single burner flammability test method ICS 53.040.20 G42 National Standards of People's Republic of China Replacing GB/T 16412-1996 Single conveyor belt using propane burner flammability test method Posted 2009-04-24 2009-12-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

The Standard and British Standard BSEN12881-1.2005 "conveyor belts - Fire simulation flammability testing - Part 1. Propane combustion Tests (Method A) "(in English) the degree of consistency is not equivalent. This standard replaces GB/T 16412-1996 "conveyor belt using propane burner test methods." This standard and GB/T 16412-1996 compared to the main changes are as follows. --- Increasing the normative references, the fuel used was propane provisions; --- Roadway dimensional changes (1996 Version 2.1.1; edition 4.1); --- Increasing the mounting position of the anemometer (see 4.4); --- Reducing the number of thermocouples (1996 Version 4.1.1; edition 4.5); --- Number and size of the sample changed (1996 Version 2.2; Chapter 5 of this edition); --- Burning time change (1996 Version 2.3; this edition 6.3.6); --- Remove the propane burner temperature measurement (1996 edition 4.1.2.1); --- Remove the burned specimen length measurement (1996 edition 4.2); --- Remove the test results evaluation standard (1996 version 4.3); --- Deleted Appendix A (Supplement). The standard proposed by China Petroleum and Chemical Industry Association. This standard by the National Standardization Technical Committee pulley and the belt conveyor Technical Committee (SAC/TC428/SC1) centralized. This standard is drafted by. Zhejiang Sanwei Rubber Products Co., Ltd., Qingdao University of Science and Technology, Qingdao New Materials Lab. The main drafters. Zhang Fang, Xin Yong record, Liu Yamane, Liu Li, Li Jian. This standard replaces the standards previously issued as follows. --- GB/T 16412-1996. Single conveyor belt using propane burner flammability test method Warning. The standard of the test will produce a lot of smoke and heat. So pay attention to safety during a test, consider the health and safety considerations. If necessary, should immediately stop the test in any case. Best not only one person at the test site.

1 Scope

This standard specifies a single burner propane combustion measured two meters sample conveyor belt flammability test methods. This standard applies to general conveyor propane burner test.

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. ISO 9162. 1989 Petroleum products - Fuels (F Class) LPG Specification

3 propane gas

Bottled propane gas used for this test according to ISO 9162 regulations, propane gas through a period of at least 6.3mm of the inner diameter of the high pressure hose into the Burner, according to either of the following. a) through a pressure reducing valve, a check valve and a 1.7mm thick, standard orifice bore diameter of 2.5mm; b) through a pressure reducing valve, a check valve provided with high-precision flowmeter, to ensure accurate measurement of gas consumption. Before the test and during the test, the propane bottle to be immersed in a temperature (25 ± 3) ℃ water, the depth of immersion of about propane bottle high Of two-thirds. Ensure the end of the trial, 10% less than propane gas bottle bottle remaining capacity.

4 device

4.1 Roadway Roadway (see FIG. 1) is not larger than the cross-sectional area of \u200b\u200b6m2, height 1.9m ~ 2.25m, width 1.9m ~ 2.75m. With adjustable ventilation Machine air circulation. Ground-floor concrete roadway length of less than 15.0m. 4.2 Test Bench Gantry 2, a rectangular frame structure, an outer diameter of 20mm ~ 25mm by acid stainless steel tube (18/8) is made. Long Bench 2.20m, width 1.25m, the highest point to the ground distance of 350mm. The upper part of the gantry angle on both sides there are two open slots on a number of angles, These notches used to place 15 stainless steel rods. Steel rod having a diameter of 10mm, a length of 1.4m, the bar can freely rotate within the slot. station Frame used to place the sample. Two gantry longitudinal connection total length of 4.4mm. 4.3 Burner 3, the outer diameter of 20mm ~ acid-based stainless steel tube of 25mm (18/8) welded into the side length (450 ± 9) mm square Frame, burner height from the ground (220 ± 5) mm. There are 52 open diameter (1.5 ± 0.1) mm holes, hole distance of 50mm steel pipe. 4.4 anemometer Anemometers mounted on a roadway centerline height of 350mm from the ground, at least from the tunnel entrance 7.25m, from the bench near the roadway Outlet end (hereinafter referred to as the front end of the carriage) 750mm place. NOTE. Roadway laminar flow it is important, it may be used to produce laminar airflow equipment. 4.5 Thermocouple A thermocouple for measuring the temperature of the incoming air, the mounting position shown in Figure 1. ......

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