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REGISTERED NO. D. 221

The Gazette of India

EXTRAORDINARY

PART II—Section 3—Sub-section (ii)

PUBLISHED BY AUTHORITY

No. 43] NEW DELHI, MONDAY. FEBRUARY 14 1966/MAGHA 35, (887

SeparatepagingisgiventothisPartinorderthatitmaybefiled

as a separate compilation

MINISTRY OF COMMERCE

NOTIFICATION

New Delhi, the 14th February 196G

S.O. 495.—Whereas the Central Government is of opinion that in exercise of the powers conferred by section 6 of the Export (Quality Control and Inspec- tion) Act, 1963 (22 of 1963), the rubber hoses mentioned in Annexure I to this notification shall be subject to inspection prior to export;

And whereas the Central Government has formulated the proposals specified below for the said purpose and has forwarded the same to the Export Inspection Council as required by sub-rule (2) of rule 11 of the Export (Quality Control and Inspection) Rules, 1964;

N6w, therefore, in pursuance of the said sub-rule, the Central Government publishes the said proposals for the information of the public likely to be anected thereby.

2. Notice is hereby given that any person desiring to forward any objection or suggestion with respect to the said proposals may forward the same within thirty- days of the date of publication of this notification to the Export Inspection Coun- cil World Trade Centre, 14/1-B, Ezra Street, 7th flour, Calcutta-1.

(I67)

(1) To notify that the rubber hoses shall he subject to inspection prior to export;

(2) To specify the type of inspection in accordance with the Export of Rubber Hoses (Inspection) Rules, 1966, as the type of inspection which would be applied to rubber hoses prior to their export;

(3) To recognise the specifications as set out in Annexure II to this notifica- tion as the standard specifications for the rubber hoses;

(4) To prohibit the export, in the course of international trade, of any rubber hose, unless the same is accompanied by a certificate issued by an inspection agency recognised for' the purpose under section 7 of the "Export (Quality Control & Inspection) Act, 1963 (22 of 1963), to the effect that the rubber hose is export-worthy.

3. Nothing in this notification shall apply to the export of samples of rubber hoses to prospective buyers.

4. In this notification, 'rubber hose¹ shall mean any of the rubber hosea men- tioned in Annexure I to this notification, made from compounded vulcanized rub- ber reinforced with woven fabric or braids of cotton, synthetic yarns and wires over the rubber jining and used for the purpose of discharge or suction of all types of fluids under high or low pressure.

ANNEXUHE I

3. \vater ueirvcry Hose (Woven Reinforcement), 2. Water Delivery Hose (Braided). 3. Water Suction Hose. 4. Steam Hose, 5. Air Hose. 6. Oil Resisting Hose- 7. Chemical Hose (excluding organic liquid solvents). 8. Welding Hose. 0. Pneumatic Tool Hose.

10. Sand Blast Hose. 11. Spray Hose. 12. Radiator Hose. 13. Railway Vacuum Brake Hose. 14. Railway Water Feed Hose-

ANNEXURE II

1, Specifications for Water Delivery Hoses (Woven Re-infoTCement)

(1) The dimensions of rubber hoses shall be as agreed to between the buyer and seller,

(2) The rubber hoses shall be tested for the characteristics conforming to the requirements as specified below:

t eristics

Requirements for

Low Pressure

High Pressure

Lining Cover

Lining Cover

70 70 Tensile Strength kg/Sq. cm. (minimum)

40 40

250 052

n at break, per cent (minimum)

200 300

Requirements for

Low Pressure High P ressuic

Kg.

(i) Between fabric' Plies .

3-5

4'5

(it) Between lining and fabric

3 '0

4 -0

(in) Between Cover and fabric

id) Bursting Pressure : (Kg./Sq. Cm.") (Miir.ir.im)'

'ressuro High Pversiuc

Low I

Internal Diameter

10

10 10

35 70 70

10

10

10

ij'5mm i6-o „ 20-0 „ 25-0 ., 3 i '5 „ ' 38-5 >,

(3) Each lerlgth of rubber hoses shall be indelibly marked adjacent to each end with the manufacturer's name or trade mark, il any, hose denominations, month and year of manufacture.

2. Specifications Jor Water Delivery Hoses (Braided)

(1) The dimensions of rubber hoses shall be as agreed to between the buyer

and seller.

(2) The rubber hoses shall be tested for the characteristics conforming to the

requirements as specified below;

Characteristics

Requirements for

Low Pressure

High Pressure

Lining Cover Lining Cover

40 40

70 70 (a) Tensile strength Kg/Sq.Cm. (Minimum '

200 200

250 250 (6) Elongation at break, percent (Minimum) g

(c> Adhesion (Separatism shall not exceed 25 mm/

min under the following specified load).

High Pressure

. Low Pressure

Kg.

Kg.

(a) Between fabric and plies

4-5

(S) Between Lining and fabric

45

(cj Between Cover and fabric

4-5

4-5 4-5 4-5

Bursting Pressure (Kg./Sq. Cm.) (Minimum)

Low Pressure type High Pressure type Internal diameter

lS

14 14

14 14 14 14

10 m m. . . . . .. i i ' j m ni 16 m m. . . . . .. 20 m m. . . . . .. 25-5 mm 31-5 mm 38 mm

85 70 70 50 4° 35

(3) Each length of rubber hoses shall be indelibly marked adjacent to eacfc end with the manufacturer's name or trade mark, if any, hose denominations, month and year of manufacture.

3. Specifications of Water Suction Hose

The characteristics will be in accordance with the buyer'B specificationa.

4. Specifications for Steam Hose"

Steam Hoses are classified in two types:—

(a) Low Pressure type—Where steam pressures upto ond inctmfimg:

2-5 kg/sq.cm.

(b) High Pressure type—Where steam pressure between 25 kK/sqxm.

5 kg./sq.cm.

(1) The dimensions of rubber hoses shall be as agreed to between the buyer and. seller.

(2) The rubber hoses shall be teBted for the characteristics conforming ip the- requirements as specified below:

Characteristics

Unit

Requirements for

High Pressure

Low Pressure

Lining Cover Lining Cover

70 70

. Kg/sq.

Tensile strength Minimum

<")

cm.

200 3J"

100 300

Elongation at break minimum . per cent

(c) Adhesion:

The adhesion shall be such thai the rate of separation shall not exceed 25 mm/minimuw nder the following specified loads.

Low Prcsssuie

High Pressure

Kg.

Kg.

Bstwccn lining and fabric

5-5

4-5

Between fabric plies

6'5

5-5

Between fabric and cover .

4'5

5-5

(d) Hydraulic test:

Thisistobe earned on a pitccoi 100 cm. lor.g and the minimum turning picstuic villle ;\ follows:

Low Pressure

20 kgfsq. cm.

High Pressure

' . . . 35 kg/sq- cm.

(3) Each length of rubber hoses shall be indelibly marked adjacent to each;

end with the manufacturer's namo or trade mark, if any, hose denominations, month and year of manufacture.

5. Specification for Air Hose of Rubber

(1) The Dimensions of rubber hoses shall be as agreed to between the buyer

and seller.

(2) The rubber hoses shall be tested for the rharucteristics conforming to the

requirements aa specified below:

Unit

Requirements for

J Characteristics

Heavy duty

Light Duty

Lining- Cov r

Cover

Lining

70 105

40

40

'ia) Tensile strength (Minimum)

Kg/sq cm.

W-

3co 350

2C0

; ;o

' (6) Elongation at break (Minimum') Per mm

(c) Adhesion;

The adhesion shall be such that the rate of separation doos not exceed 25

1 m m / m i n u te under a load of 4-5 kg. for the following:

(a) Between braids i.b) Between lining and braid (e) Between cover and braid

*(rf) Bursting Pressure (Kajsq. cm.) (Minimum):

tor Light Duty for Heavy Duty Internal diameter mm

Bursting pressure B u r M i rp r i o: v ie (Minimum)

kg/sq. cm (Minimum!

5 6-30 8-00 i o - oo . . . .. 1 2 - 50 . . . .. 1 6 - 00

2 0 - 00 . . . ..

28 28 2$ 28 2H 28 28 28 35 30 28

55 50 45 45 35 39 28

25-00 . 31-05 38-00 50-00

(3) Each length of rubber hoses shall be indelibly marked adjacent to each end with the manufacturer's name or trade mark, if any, ho.se denominations, month and year of manufacture.

6. Specifications for Oil Resistiny Hoses

(1) The dimensions of Oil Resisting Hoses shall be as agreed to between the

buyer and seller.

(2) The Oil Resisting Hoses shall be tested for the characteristics conforming

to the requirements as specified below:

Characteristics

Unit Requirements for

Lining Cover

60 55 ("J Tensile strength (Minimum)

. Kg/sq.

Cm.

. Percent

300 250 0) Elongation at break (Minimum) .

fe) Adhesion:

The adhesion shall be such that the rate of separation does not exceed 25' mm/minute under the following loads:

(a) Between fabric plies

4-5 Kg.

(6) Between lining and fabric

3-6 Kg.

(c) Between Cover and fabric . . . . . 3-6 Kg,

|d) Bursting Pressure:

A sample of hoses of 60 cm long when tested shall show a bursting! pressure- of not less than 20 kg/sq. cm.

(e) Oil Absorption:

When tested by immersing the test piece in specified oil under specified condi- tions the increase in weight of the lining and cover due to oil absorption shall be not more than 30 ner cent and in each case the rubber shall be free from cracks and undue tackiness, As a result of the test the colour of the oil shall not be affected.

(3) Each length of oil resisting hoses' shall be indelibly marked adjacent *h> each end with the manufacturer's name or trade mark, if any, hose denomina- tions, month and year of manufacture.

7. Specifications for Chemical Hoses

(Excluding organic liquid solvents)

The hose must consist of:

(a) an inner rubber tube or lining resistant to the liquid for which tke- hose is to be used;

(b) reinforcement plies of woven fabric;

(c) an outer rubber cover.

(1) The dimensions of Chemical hoses (excluding organic liquid solvents) ehaW.- be as agreed to between the buyer and seller,

(2) The chemical hoses shall be tested for the characteristics conforming t" the requirements as specified below:

Unit Requirements for Characteristics

Lining Cover

. kg/sq,cm. 105 105 ia) Tensile strength (Minimum)

400 40*

, Per cent"

(6) Elongation at break (Minimum)

•c) Adhesion:

The adhesion shall be such that the rate of separation shall not exceed 25- inm/minute under the following loads:

(a) Between lining and fabric . . . . . • 4' 5 Kg.

(b) Between fabric plies

5'4K?.

(c) Between abric and cover . . . . .. d.-'Kjr.

("0 Bursting Pressure:

Internal Diameter

mm

Intcrna 1 Diameter

mm

Bursting Pressure kg/iq.cm. (Minimum)

Bursting Pressure kg/sq.cm. (Minimum)

12-5

28

31

38-5

16

35-0

25

38

20

2S'O

20

45

32-O

35

2O

5°

(3) Each length of oil resisting hoses shall be indelibly mnrked adjacent to •ach end with the manufacturer's name or trade mark, if any, hose denomina- tions, month and year of manufacture.

8. Specification for Welding Hose of Rubber

(1> The dimensions of Welding hoses of rubber shall be as agreed to between the buyer and seller.

(2) The welding hoses shall be tested for the characteristics conforming to Vhe requirements as specified below:

C h a r a c t e r i s t i cs

R e q u i r e m e n ts f or

L i n i ng C o v er

a) T e n s i le s t r e n g th ( M i n i m u m) . . ..

. k g / s q . c m.

b) E l o n g a t i on at b r e ak ( M i n i m u m) . . ..

55 7O 2so 300

. p e r c e nt

(c) Adhesion:

The adhesion shall be such that the rate of separation doer; not exceed 25 mm/minute for the following under the specified load.

(a) Between fabric plies . . . . . .. 4" 5 Kg. (A) Between Lining and fabric . . . . . .4 kg. (c) Between Cover and fabric . . . . .. 4 Kg.

(d) Bursting Pressure:

Interna 1 Diameter

mm.

Bursting Pressure Kg/Sq. cm. (Mini- mum)

50 5° 50

. . . .. 50 6-3 "-o io-o I 2 -J

. . ..

5°

(i3) Each length of welding hoses of rubber shall be indelibly marked adjacent •>o each end with the manufacturer's name or trade mark, if any, hose denomina- tions, month and year of manufacture.

9. Specifications for Pneumatic Tool Hoses

(1) The dimensions of Pneumatic Tool Hoses shall he as agreed to between the buyer nnd seller.

(2} The Pneumatic Tool Hoses shall be tested for the characteristics conform- ing to the requirements as specified below:

Requucirt r:: fn

Unir

C ll *1 ill/If 1 I ' ' I KS

Cover

Lining

( u) T e n s i le H¹ rLMi

.gill (Minimum'

• Kg/sq.

R4

S4

300

300

Cm. Peicer.t

hvi.'iik ( M il UTiL'jn'l

(6) Elongation ai

( c) Adhcclon tf.st:

T he a d h e s i on s h a ll be s u ch t h at t he r a te of s e p a r a t i on d o es n ot e x c e ed 25 m m. p er m i n u te u n d er t he f o l l o w i ng l o a d s:

(a) Between fabric plies

4 -5 K g.

(A) Between lining & fabric . . . . .. 3-6 K g,

(c) Bel ween <.• nvcr Ik fabric . . . . . .. 3 -6 K g.

lut :vnal diameter in mm. Minimum burst- ing pressure in Kg. per sq. cm.

49-0

56-0 . . 49-0 io-o 12-5 . 16^0 20-0 25'0 . 31-5 . 38-0 .

45'5 42-0 38-5

(3) Each length of pneumatic tool hoses shall be indelibly marked adjacent to each end with the manufacturer's name or trade mark, if any, hose denomina- tions, month and year of manufacture.

10, Specifications for Savd Blast Hoses

(1) The dimensions of Sand Blast Hoses shall be as agreed to between the buyer and seller.

(2) The sand blast hoses shall be tested for the characteristics conforming to the requirements as specified below:

Characteristics

Unit Requirements foj

Lining 1

Cover

{4) Tensile strength (Minimum)

. Kg/sq.

120

110

Cm,

. percent

b) Elongation at break (Minimum) .

400

400

          mm
683  x 5 i.    .    .    .    ..       Bend  till ends touch
560x51                                     Bend  till ends arc  102 mm.  apart.
455  Xii        .    .    .    ..      Bend till ends are parallel,