| products
can meet ISO 2531, BS EN 545, BS EN598 and IS8329 standard.
The following chart is the main differences between
standards for your reference. |
| Comparison
Table for Different Standards |
| Item |
Indian
Standard |
International |
British
Standard |
European
Standard |
Berman
Standard |
| IS
8329/1990 |
ISO
2531&7186 |
BS
4772 |
BS
EN 545 |
DIN
28622&28610 |
| Type
of Joint |
DN80-DN2000
Mechanical joint and Flanged joint and Push-on Joints |
DN80-DN2000
Flanged joint Elastomer gasket joints |
DN80-DN1600
Flanged joint Push-on or Mechanical Joints |
DN80-DN2000
Mechanical joint and Flanged joint and Push-on Joints |
DN80-DN2000
Flanged joint Elastomer gasket joints |
| ¡¡ |
Pipe |
Fittings |
Pipe |
Fittings |
Pipe |
Fittings |
Pipe |
Fittings |
Pipe |
Fittings |
| Tensile
strength (min) |
420
Mpa |
¡¡ |
420
Mpa |
400
Mpa |
420
Mpa |
420
Mpa |
420
Mpa |
400
Mpa |
420
Mpa |
400
Mpa |
| Proof
stress |
300
MPa |
¡¡ |
300
MPa |
300
MPa |
300
MPa |
300
MPa |
300
MPa |
300
MPa |
300
MPa |
300
MPa |
| Elongation |
10% |
¡¡ |
10%(DN1000)
7% Lager dia |
5% |
10%(DN1000)
7% Lager dia |
5% |
10% |
5% |
10%(DN1000)
7% Lager dia |
5% |
| Hardness |
Pipe-HB230
Fittings-HB |
Pipe-HN230
Fittings-HB250 |
Pipe-HB230
Fittings-HB250 |
Pipe-HB230
Fittings-HB210 |
Pipe-HB230
Fittings-HB250 |
| Hydrostatic
works test |
Pipe
K9 |
Pipe
K9 |
Pipe
K9 |
Pipe
K9 |
Pipe
K9 |
| Nominal |
Test |
Nominal |
Test |
Nominal |
Test |
Nominal |
Test |
Nominal |
Test |
| diameter |
pressure |
diameter |
pressure |
diameter |
pressure |
diameter |
pressure |
diameter |
pressure |
| (mm) |
(kgf/cm2) |
(mm) |
(kgf/cm2) |
(mm) |
(kgf/cm2) |
(mm) |
(kgf/cm2) |
(mm) |
(kgf/cm2) |
| 80-300 |
50 |
80-300 |
50 |
80-300 |
50 |
80-300 |
50 |
80-300 |
60 |
| 350-600 |
40 |
350-600 |
40 |
350-600 |
40 |
350-600 |
40 |
350-600 |
50 |
| 700-1000 |
32 |
700-1000 |
32 |
700-1000 |
32 |
700-1000 |
32 |
700-1000 |
40 |
| 1100-2000 |
25 |
1100-2000 |
25 |
1100-2000 |
25 |
1100-2000 |
25 |
1100-2000 |
30 |
| ¡¡ |
¡¡ |
¡¡ |
¡¡ |
¡¡ |
¡¡ |
¡¡ |
¡¡ |
¡¡ |
¡¡ |
| Fittings |
Fittings |
Fittings |
Fittings |
Fittings |
| Nominal |
Test |
Nominal |
Test |
Nominal |
Test |
Nominal |
Test |
Nominal |
Test |
| diameter |
pressure |
diameter |
pressure |
diameter |
pressure |
diameter |
pressure |
diameter |
pressure |
| (mm) |
(kgf/cm2) |
(mm) |
(kgf/cm2) |
(mm) |
(kgf/cm2) |
(mm) |
(kgf/cm2) |
(mm) |
(kgf/cm2) |
| 80-300 |
25 |
80-300 |
25 |
80-300 |
25 |
80-300 |
25 |
105
times rated pressure |
| 350-600 |
16 |
350-600 |
16 |
350-600 |
16 |
350-600 |
16 |
| 700-2000 |
10 |
700-2000 |
10 |
700-1200 |
10 |
700-2000 |
10 |
| ¡¡ |
¡¡ |
¡¡ |
¡¡ |
1400-1600 |
2 |
¡¡ |
¡¡ |
| Tolerance
on thickness (mm) |
Pipe |
Pipe |
Pipe |
Pipe |
Pipe |
| Wall
thickness -(1.3+0.001 DN) No limit for + tol. |
Wall
thickness -(1.3+0.001 DN) No limit for + tol. |
Wall
thickness -(1.3+0.001 DN) No limit for + tol. |
Wall
thickness -(1.3+0.001 DN) No limit for + tol. |
Wall
thickness -(1.3+0.001 DN) No limit for + tol. |
| Fittings
(K12&14) |
Fittings
(K12&14) |
Fittings
(K12&14) |
Fittings
(K12&14) |
Fittings
(K12&14) |
| Wall
thickness -(2.3+0.001 DN)mm No limit for the plus tolerance |
Wall
thickness -(2.3+0.001 DN)mm No limit for the plus tolerance |
Wall
thickness -(2.3+0.001 DN)mm No limit for the plus tolerance |
Wall
thickness -(2.3+0.001 DN)mm No limit for the plus tolerance |
Wall
thickness -(2.3+0.001 DN)mm No limit for the plus tolerance |
| Outside
coating and Inside lining |
Pipe
and Fittings |
Pipe
and Fittings |
Pipe
and Fittings |
Pipe
and Fittings |
Pipe
and Fittings |
| Bituminous
coating |
Bituminous
coating |
Bituminous
coating |
Bituminous
coating |
Bituminous
coating |
| Lining
shall not contain any consitiunent soluble in water or any
ingredient liable to imipart any taste or smell to the water
washing out of the main. For pipe-lines carrying potable
water the inside lining must not contain any toxic
consituent. |
Lining
shall not contain any consitiunent soluble in water or any
ingredient liable to imipart any taste or smell to the water
washing out of the main. For pipe-lines carrying potable
water the inside lining must not contain any toxic
consituent. |
Bs
4147 or Bs 3416 |
Lining
shall not contain any constituent soluble in water or any
ingredient liable to leach in water after dried. |
Lining
shall not contain any consitiunent soluble in water or any
ingredient liable to imipart any taste or smell to the water
washing out of the main. For pipe-lines carrying potable
water the inside lining must not contain any toxic
consituent. |
| Cement
mortar lining for pipe and fitting is specified in IS8112 or
IS 455 |
Cement
mortar lining for pipe is specified in a separate
international Standard, ISO:4179 |
Cement
mortar lining for pipe and fitting is specified in section 3
of BS:4772 |
Cement
mortar lining for pipe |
Cement
mortar lining for pipe is specified in a separate Standard,
DIN 30674 |
| DN |
Lining |
DN |
Lining |
DN |
Lining |
DN |
Lining |
DN |
Lining |
| (mm) |
thickness |
(mm) |
thickness |
(mm) |
thickness |
(mm) |
thickness |
(mm) |
thickness |
| ¡¡ |
(mm) |
¡¡ |
(mm) |
¡¡ |
(mm) |
¡¡ |
(mm) |
¡¡ |
(mm) |
| 80-300 |
3 |
80-300 |
3 |
80-600 |
5 |
80-300 |
3 |
80-300 |
3 |
| 350-600 |
5 |
350-600 |
5 |
700-1200 |
6 |
350-600 |
5 |
350-600 |
5 |
| 700-1200 |
6 |
700-1200 |
6 |
1400-1600 |
9 |
700-1200 |
6 |
700-1200 |
6 |
| 1400-2000 |
9 |
1400-2000 |
9 |
¡¡ |
¡¡ |
1400-2000 |
9 |
1400-2000 |
9 |
| ¡¡ |
¡¡ |
2000-2600 |
12 |
¡¡ |
¡¡ |
¡¡ |
¡¡ |
2000-2600 |
12 |
