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JG/T 233-2008 (JGT 233-2008)

JG/T 233-2008_English: PDF (JGT233-2008)
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JG/T 233-2008English70 Add to Cart 0--10 minutes. Auto-delivered. Ventilator for windows and doors of building JG/T 233-2008 Obsolete JG/T 233-2008

Standard ID JG/T 233-2008 (JG/T233-2008)
Description (Translated English) Ventilator for windows and doors of building
Sector / Industry Building & Construction Industry Standard (Recommended)
Classification of Chinese Standard Q70
Classification of International Standard 91.060.50
Word Count Estimation 9,927
Date of Issue 2008-06-03
Date of Implementation 2008-11-01
Quoted Standard GB/T 6881.1-2002; GB/T 7106; GB/T 7107; GB/T 7108; GB/T 8478; GB/T 8479; GB/T 8484; GB/T 8814; GB/T 5237; GB/T 10802; GB/T 14436; GB/T 19889.10-2006; GB/T 21086-2007; JG/T 20; JG/T 140; JG/T 180
Drafting Organization China Construction Metal Structure Association building doors fittings Committee
Administrative Organization Ministry of Housing and Urban-Rural Development, building products and components and parts Product Standardization Technical Committee
Regulation (derived from) Bulletin of the Ministry of Housing and Urban No. 36
Summary This standard specifies the building doors and windows with ventilators terms and definitions, classification, designation and marking, materials, general requirements, test methods, inspection rules and signs, packaging, transportation and storage. This standard applies to building envelope (doors, windows, walls, etc.) with a ventilator.

JG/T 233-2008 
Ventilator for windows and doors of building
ISSUED ON. JUNE 03, 2008
Issued by.
Ministry of Housing and Urban-Rural Development of the
People's Republic of China
Table of Contents
Foreword ... 3 
1 Scope ... 4 
2 Normative references ... 4 
3 Terms and definitions ... 5 
4 Classification, code and mark ... 5 
5 Materials ... 7 
6 General requirements ... 7 
7 Requirements ... 8 
8 Test methods ... 10 
9 Inspection rules ... 11 
10 Mark, package, transportation and storage ... 13 
This Standard was proposed by the Standard Quota Department of Ministry of Housing
and Urban-Rural Development of the People’s Republic of China.
This Standard shall be under the jurisdiction of National Technical Committee of
Construction Product and Accessory Product Standardization.
Drafting organizations of this Standard. Committee of Windows and Doors Accessories of
Building of China Construction Metal Structure Association, Seigenia Window Hardware
(Beijing) Co., Ltd, Shenzhen Ludee Industrial Co., Ltd, Beijing Hangtian Haiying Xinghang
Electromechanical Equipment Co., Ltd, Guangzhou Yungao Environmental Technology
Development Co., Ltd. AND Guangzhou Zupon Architecture Products Development Co.,
Main drafters of this Standard. Liu Xuqiong, Liu Hongjing, Hao Lianyi, Chen Nengmin,
Wang Jia, Wu Xiance and Zheng Lifang.
Ventilator for windows and doors of building
1 Scope
This Standard specifies the terms and definitions, code and mark, material, general
requirements, test methods, inspection rules and mark, package, transportation and
storage for windows and doors of building.
This Standard is applicable to the ventilator for outer envelope structures (windows and
doors, curtain-walls, etc.) of building.
2 Normative references
The articles contained in the following documents become part of this document when they
are quoted herein. For the dated documents so quoted, all subsequent modifications
(Including all corrections) or revisions made thereafter do not apply to this Standard.
However, the parties who reach an agreement according to this Standard are encouraged
to study whether the latest versions of these documents may be used. For the undated
documents so quoted, the latest versions (including all modification sheets) apply to this
GB/T 6881.1-2002 Acoustics - Determination of sound power levels of noise sources
using sound pressure--Precision methods for reverberation rooms
GB/T 7106 Graduation and test method for wind resistance performance of windows
GB/T 7107 Graduation and test method for air performance of windows
GB/T 7108 Graduation and test method for watertightness performance of windows
GB/T 8478 Aluminium doors
GB/T 8479 Aluminium windows
GB/T 8484 Graduation and test method for thermal insulating properties of windows
GB/T 8814 Unplasticized polyvinyl chloride (PVC-U) profiles for the doors and windows
GB/T 5237 Wrought aluminium alloy extruded profiles for architecture
GB/T 10802 General flexible polyether polyurethane cellular plastics
GB/T 14436 General principles of industrial product guarantee documents
GB/T 19889.10-2006 Acoustics - Measurement of sound insulation in buildings and of
building elements - Part 10. Laboratory measurements of airborne sound insulation of
small building elements
GB/T 21086-2007 Curtain wall for building
JG/T 20 Method of testing for rating air distributor performance
JG/T 140 Unplasticized polyvinyl chloride (PVC-U) windows
JG/T 180 Unplasticized polyvinyl chloride (PVC-U) doors
3 Terms and definitions
For the purpose of this Standard, the following terms and definitions shall apply.
3.1 Ventilator for windows and doors of building
Controllable ventilation device that is installed on building envelopes (windows and doors,
curtain-wall, etc.) and BETWEEN wall AND windows and doors; with certain properties of
wind-pressure resistance, watertightness, airtightness, and sound-insulation, etc.; able to
realize the outdoor and indoor air exchange when in working condition.
3.2 Passive ventilator
Ventilator that realizes ventilation by relying on the air pressure difference generated by
indoor and outdoor temperature difference and wind pressure, etc.
3.3 Motor ventilator
Ventilator that realizes ventilation by relying on the motor device added to the ventilator
3.4 Length ventilator
Ventilator of which any two parameters of length, width and height are fixed; and the rest
one can be cut-machined into form, in certain range.
4 Classification, code and mark
4.1 Classification
4.1.1 Name code
When ventilation rate of motor ventilator is not less than 30m3/h, A-weighted sound power
level of self noise shall not exceed 38dB(A).
7.6 Sound-insulation property
Ventilator without sound-insulation function;
a) Under shutdown condition, weighting standardization sound pressure level difference
of small ventilator component shall not be less than 25dB;
b) Under open condition, weighting standardization sound pressure level difference of
small ventilator component shall not be less than 20dB.
Ventilator with sound-insulation function. under both open and shutdown conditions,
weighting standardization sound pressure level difference of small ventilator component
shall not be less than 33dB.
7.7 Heat preservation property
Heat transfer coefficient (K) of ventilator shall not be beyond 4.0W/(m2·K)
7.8 Airtight property
Under shutdown condition, air permeation rate (q1) of unit fissure length of ventilator shall
not exceed 2.5m3 (m·h), or unit area air permeation rate(q2) not exceed 7.5 m3 (m3·h).
[Translator note. units of q1 and q2 are different]
7.9 Watertight property
Under shutdown condition, watertight property (∆P) of ventilator shall not be less than
100Pa; under open condition, there shall be free from obvious droplet in the room.
7.10 Wind-resistance property
Win-resistance property (P3) of ventilator shall exceed 1.0kPa.
7.11 Repeated open and shutdown 3)
Switch control system of manually controlled switch shall still work normally after 4000
times of repeated open and shutdown, without any loose or tripping in components; control
system of electric switch shall still work normally after 5000 times of action.
3) When motor ventilator is equipped with both manually controlled and electric control devices, both
shall meet the requirements.   
8 Test methods
8.1 Preparation of test sample, record and test order
8.1.1 Preparation of test sample
For length ventilator, sampling is based on length of 1m; for other type of ventilators,
sampling is based on per piece; when users have special requirements, sampling is based
on actual needs. Take 4 same (they have the same maximum ventilation rate; and under
this condition, they have the same sound-insulation limit and same specifications)
ventilator test samples.
8.1.2 Record of test sample
Test sample length, width, height and projected area (if test samples are attached with rib
strip or rabbet, their projected area shall be deducted) shall be tested before sample
installation and recorded.
8.1.3 Test order
Test of Chapter 7. conduct test by taking 3 samples based on the order 7.1, 7.2, 7.3, 7.4,
7.5, 7.6, 7.7, 7.8, 7.9, 7.10; and 1 sample for 7.11.
8.2 Appearance
Visual inspection shall be done 400~500mm away from test samples under natural light.
8.3 Allowable size deviation
Use measuring tool with accuracy of 1mm to measure the height, width, diagonal, opposite
side size; use measuring tool with accuracy of 0.02mm to measure the same flatness of
adjacent component; use feeler gauge to measure the assembly clearance of adjacent
8.4 Operation property
8.4.1 Manually controlled ventilator. manually pull the operating handle and arm to check
whether they are flexible or in clamping stagnation; measure the rotating force by using
tension meter at 100mm away from rotating center.
8.4.2 Electric ventilator. when actual voltage is 80% of nominal voltage and speed-control
switch is at the lowest gear, continue for 3 times, while observing whether the ventilator
can start up from any static condition.
8.5 Ventilation rate
Products inspected as qualified shall be provided with a certificate conforming to
specifications in GB/T 14436.
9.2 Exit-factory inspection
9.2.1 Inspection items
Exit-factory inspection shall be conducted after type inspection is qualified; inspection
items of exit-factory are shown in Table 4.
9.2.2 Group-batching and sampling plan
10% and not less than 4 pieces shall be sampled from the same batch, same-specification
and same-type products on a random basis.
9.2.3 Qualification determination rules...