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( Reaffirmed 2002 )
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IS g8360 (Part I) -1977
hdian Standard
SPECIFICATION FOR FABRICATED HIGH
DENSITY POLYETHYLENE ( HDPE ) FITTINGS
FOR POTABLE WATER SUPPLIES
PART I GENERAL REQUIREMENTS
Sanitary Appliances and Water Fittings Sectional Committee, BDC 3
Chaimun
SERI V. D. DESAI
Members
Rrpresmling
Bomba) Municipal Corporation
ADVISER Ministry of HealthSHRI B B. RAU ( Ahm& )
SARI H. R. BADYALSE~RI K. D. B~smas ( Akm& )
Indian Iron & Steel Co Ltd, Calcutta
Sm1S.P. CHAKRABARTI ~nf-;Jor~~dding Research Institute ( CSIR ),
f&RI S.K. SHaX?dA (Alternate)
CHIEF ENGINEER CentralPublic Works Department, New Del&SUPERINTEIVDISG ENGINEER ( Altnnhfe )
CHIEF ENGINEER Tamil Nadu Water Supply % Drainage Board,Madras
CKIEF ENGINEER u. P. Jal Nigam, LucknowS~J~ERINTENDINC ENGINEER ( Altzmatc )
CE~F ENOINEER ( WATER ) Municipal Corporation of DelhiDRAI~_A~E ENQINEER (&kfMY )
CITY ENQI~EER Bombay Municipal CorporationHYDRAULIC ESC)~EER ( Akmotc )
SHRI H. K. DALLASLAL.~ G. C. D.4s
Indian Institute of Architects, Bombay
National Test House, Calcutta
SHRI T. R. Dx
SHRI M. T. I(.kPiSF
Institution of Engineers ( India ), Calcutta
Sa~r S. c. liAPC)OR
Directorate General of Supplies & Disposals
Delhi Development AuthoritySHBI R. V. LELE Central Glass & Ceramic Research
( CSIR ), CalcuttaInstitute
PROF N. MAJUMDER National Environmental Engineering Research
SHRI J. M. DAVF: ( A&m& )
Institute ( CSIR), Nagpur
SEIRI R. N, I\~ALLICR Directorate General of Technical Devclopmerlt
SHRI N. R. SRINITASAN ( Aflrmofe )
( Continued on page 2 )
@ Cop.vright 1977
INDIAN STANDARDS INSTITUTION
This pubiicatton is protccred under the Indian C+yright Act ( XIV of 1957 ) andrcproducrion m whole or in part by any means except with written permission ofthe publisher shall be deemed to bc an infringemeut of copyright under the said Act.
I I
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( Conrinvldfiompnge1 )
MGmbtrS Representing
SHRI R. M. MEXRA Bombay Potteries & Tiles L td, r?omba=rSARI R. N. MUILHERJ EE Calcutta Metropolitan Planning Or@ :i7.::ioi?
SkIRI s. li. Nxoor ( Aknafc )
SHKID. APPUKETTANNAY~& Public Health Engineering Department, Government
of(erala, TrivandrumSaw K. RAMACHA~DW( Al& mate )
& I , RAJ KUMARS~nr I . S. BEDI ( AI&mate )
Engineer-in-Chief’s Branch, Army Headquarters
SHRI P. S. ~J VSNSHI Public Health Engineering Department, Governmentof Rajasthan, J aipur
SHXI RQJ IT SINGH Ministry of Railways~a A. V. R. RAO National Buildings Organization, New Delhi
SHRI G. T. BHIDE ( Alfcrnaic )SIIRI P. J AOAX:ATH RAO E. I . D. Parry Ltd, Madras
SHRI T. S. CEIXTAMAXX ( Alterna~c )SERI J . L. SETHI Public Health Engineering Department, Govrrnment
of Haryana, ChandigarhSHRI A.N. MEHANDALE (Alternate)
SHRI R. K. SONANY Hindustan Sanitaryware & Industries Ltd,
BahadurgarhSBXI V. S. BHATT ( Alkmate)
SKRI D. AJ ITHA SIXHA, Director General, I S1 ( Ex-o& o Member )
Director ( Civ Engg )
SHBI s. P. h.fAQQlJ
Assistant Director ( Civ Engg ), IS1
Plastic Pipes Subcommittee, BDC 3 : 8
CO?UWW
SERI K. D. MULEKAR
Mcmbars
Bombay Municipal Corporation
SHRI S. H. hfmnm ( Alfematr to
Shri K. D. hluiekar )ADVISER Ministry of Health
SHRI V. A. ANANDADOSS ( Al&nuts )DR B. R. C. ANAND Calico Chemicals, Plastics and Fibra Division:
BombaySHRI S. MITRA ( A2tcmatr)
SHRI P. M. APTE Housing & Urban Development Corporation Ltd,New Delhi
SHRI 8. K . CHAXRABARTY ( Al&ma& )SEBI S. BHOOTHAL INQAM Public Health Engineering Department, Government
of Kerala, TrivandrumSHBI H. R. BUTANI Garware Plastics ( Pvt j Ltd, Bombay
SHBI B. K. CRAWLA ( Allem& )
( Continued on page 6 )
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IS : 8360 Part I. ) - 1977
Indian Standard
SPECIF ICATION FOR FABRICATED HIGM
DENSITY POLYETHYLENE ( H-DPE ) FI TTINGS
FOR POTABLE WATER SUPPLIES
PART I GENERAL REQUIREMENTS
0. FOREWORD
0.1 This Indian Standard ( Part I ) was adopted by the Indian StandardsInstitution on 17 January 1977, after the draft finalized by the Sanitary
Appliances and Water Fittings Sectional Committee had been approved
by the Civil Engineering Division Council.
0.2 The fabricated HDPE fittings are_ used for connection, by welding
process, to HDPE pipes covered by IS : 49X-1972*.
0.3 The requirements of fabricated HDPE fittings are covered in three
parts of this standard. This Part I of the series deals with the general
requirements applicable to all fabricated HDPE fittings. Specificrequirements of different types of fittings are covered in separate parts
of the standard.
0.4 For the purpose of deciding whether a particular requirement of this
standard is complied with, the final value, observed or calculated, express-
ing the result of a test or analysis, shall be rounded off in accordancewith IS : 2-1960t. The number of significant places retained in the
rounded off value should be the ,same as that of the specified value in
this standard.
1. SCOPE
1.1 This standard ( Part I ) covers general requirements for material,sizes, performance requirements, sampling and marking of all types of
fabricated HDPE fittings intended for connection to HDPE pipes covered
by IS : 49841972O for potable water supplies.
2. MATERIAL
2.1 The pipes used for the fabrication of HDPE fittings for potablewater supplies shall conform to IS : 4984-1972*.
*Specification for high density polyethykne pipes for potaik water supplies(Jkf rcrision ).
tRules for rounding off numrrical valuts 3 rr:,ised j.
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*IS8360 ( Part I ) - 1977
3. SIZES OF FITTINGS
3.1 The sizes of the fittings shall be designated by their outsid?. diameters
at the free end. The outside diameters at the free end ai the fttings
shall correspond to the outside diameters of the pipes given in IS : 198.4
1972*.
4. -DIMENSIONS OF FlTTINGS
4.1 The outside diameters and corresponding wall thicknesses of fittingsat the free ends for weld shall comply with those given in Table 1 of
IS : 49g41972*.
4.2 The outside diameters shall be the average of two measurementstaken at right angles. The wall thickness shall be measured with a ball
ended micrometer. Resulting dimension shall be expressed to O-1 mm.
5. PERFORMANCE REQUIREMENTS
5.1 Hydraulic Proof Test - A fitting duly plugged, when subjectedto a hydraulic proof test of twice the recommended working pressure atambient temperature and for a period of one hour shall not show anysign of localized swelling, leakage or weeping_, and shall not burst during
the prescribed test duration.
6. SAMPLING
6.1 Lot - All fittings of the same size, same thickness, same length andfabricated in a single consignment, shall be grouped together to consti-
tute a lot.
6.2 The conformity of the lot to the requirements of this specificationshall be ascertained for each lot separately. The number of fittings tobe sampled from each lot shall depend on the size of the lot and shall bein accordance with co1 1 and 2 of Table 1.
6.2.1 These fittings shall be selected from the lot at random. In orderto ensure the randomness of selection, procedures given in IS : 4905-
.1968tmay be followed.
6.3 Number of Tests and Criteria for Conformity
6.3.1 Each fitting so selected shall be examined for requirements
given in 4 and 5. Any fitting failing in one or more of these requirementsshall be considered as defective. The lot shall be considered as confor-
ming to the requirements of this specification if the number of defectivefittings found in the sample does not exceed the corresponding acceptancenumber A given in co1 3 of Table 1._
*Specification for high density polyethylene pipes for potable water supplies(f;rst mririon ).
tMethods for random sampling.
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IS: 8360 ( ‘Part I ) - 1977
TABLE 1 SCALE OF SAMPLING AND PERMISSIBLE NUMBEROF DEFECTIVES
(1)up to 150
151 to 300
301 ,) 500
501 1 000
1001 :: 3000
3001 )) 10000
10 001 35 000
35 001 :: 150 000
150 001 and above
( Clause 6.2 )
SAMPLE SIZE
:o”32
i8125
ACCEPTANCENUMBER
--_-A__._,A B
(3) (4)
8 :
0 01
: 0”3 2
5
7
6.3.2 The lot rejected according to 6.3.1 may be retested for character-
istics for which it has failed. For this purpose, the number of fittings
to be selected at random from the lot shall be according to co1 1 and 2
of Table 1. A fitting failing to satisfy the requirements of any of these
characteristics shall be considered as defective. The lot shall be deemed
to satisfy the requirements of the specification if the number of defective
fittings found in the sample does not exceed the corresponding acceptance
number B given in co1 4 of Table 1, otherwise the lot shall be rejected.7. MARKING
7.1 All fittings shall be clearly and indelibly marked at a prominentplace visible even after the installation of the fittings with the following
information:
a) The manufacturer’s name or identification mark, and
b) The size of the fitting and the appropriate class ( working
pressure ) of IS : 4984-1972* to which the pressure rating of the
fitting corresponds.
7.1.1 HDPE fittings conforming to specific requirements as prescribed
in the relevant parts of the standard may also be marked with the ISI
Certification Mark.
NOTE The use of the IS1 Certification Mark is governed by the provisions of the
Indian Standards Institution (Certification Marks) Act and the Ruler and Regu_
lations made thereunder. The IS1 hfark on products covered by an Indian Standardconveys the assurance that they have been produced to compl,y with the requirements
of that standard under a well-defined system of inspection, testing and quality
control which is devised and supervisedby IS1 and operated by the producer.
1.31marker! products are also continuously checked by 1% for conformity to that standardas a fur;iler safeguard. Details of conditions under which a liccnce for tbc use of
the ISI Certification Mark may be granted to manufacturers or processors, my bcobtained from the Indian Standards Institution.
*Specification for high density polyethylene pipe, for potable water supplies
(first mision 1.5
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16:8360( PartI)-
(Continuedfrom page 2 )
M embers
SERI S. S. CFlEEDA
CHIEF ENQINEER
CHIEF ENQINEERSUPERINTEX’DINOENQINEEB (
CEIJ ZF PXIXHEER ( WATER )DEPUTY CHIEF ENQINEW
( WATEB ) ( AI tem& )SEBI J . M. DAVE
Represenfiflg
Small Scale Plastics Pipes and Fittings Manufacturers*+ssociation, Bombay
Tam&aFr;u Water- Supply & Drainage Ekxwd,
U. P. _Jal Nigam, LucknowAltemaie ) - -Municipal Corporation of Delhi
National Environmental Engineering Research_ Institute, Nagpur
SHBI R. PARABXAEI~AM Altcmafc )
SHRI S. K. DEY EMCzlc$;eral ( Plastic ) Industries (P ) Ltd,
SHIXI R. K. J AIN Cent~~orak~;ilding Research Institute ( CSIR ),
SERI S. P. CEAK~ABARTI ( AlternateSH~I A. R. KANGA City & Industrial Development Corporation Ltd.
Bombay
DR S. L. KAPURSHRI A. E. LADHABEOY
National Chemical Laboratory ( CSIR ), PuneImperial Chemical Industries ( India ) Ltd, Calcutta
DR V. B. V. RAJ AN ( Alttmatc )S~sr U. S. MAJ MUNDA~ Union Carbide India Ltd, Calcutta
SERI S. P. KHUBANA ( Alternate )SERI R. PARIKSHIT Directorate General of Technical Development
SHRI G. S. RAO Central Public Works Department
SHXI K. C. S. RAO Ministry of Defence
M_AJ S. K. AGGARWAL ( Alternate )SHRI P. B. RAO
Sum V. DORAIRAJ (Ahrnnte )Polyolefins Industries Ltd, Bombay
SHRI 0. P. RAT%% Xational Buildings Organization, New De&
RICXGCRENT/&,TlVE ?ublic Health Engineering Department, Governmenrof Haryena, Clrandigarh
Chemic& & Plastics ( India I Ltd, Madras
SHRI R. KALIDAS ( Aiizrnr;tc )SERI 6. K . Snrs~vns~w Wavin Tndia Ltd, hfadras
s11p.1K. K. RANGARAJ AN ( A&rmote )
6