Material, Threads, Finish, Pressure-Temperature Ratings, Standard Packing,
Wall Thickness & Tolerances, Gas Soundness, Hydrotesting |
1. Material
JSI Brand Pipe Fittings are made of black heart
malleable cast iron as per IS 2108/ now IS : 14329-95
2. Threads
JSI Brand class 150 plain pipe fittings:
IS 554 BS 21 and BSPT & NPT as per ANSI B2.1
Banded JSI pipe fittings available in BSPT & NPT Thread.
3. Finish
Hot dip galvanised as per IS 4759
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4. Pressure-Temperature
Ratings
Pressure-Temperature ratings are shown in the
following tables:
Standard Class 150, Fittings and Unions |
Fluids |
Temperature |
Maximum Working Pressure |
Water, Non Shock Pressure |
250oF/120oC |
300psi / 20 kg/cm2 |
Steam, Air, Gas, Oil and Water |
400 / 200 |
200 / 14 |
Steam, Air, Gas and Oil |
570 / 300 |
150 / 10 |
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5. Standard
Packing
NUMBER OF PIECES PER BAG |
S. No. |
ITEMS |
½" |
¾" |
1" |
1¼" |
1½" |
2" |
2½" |
3" |
4" |
1. |
ELBOWS |
500 |
400 |
250 |
150 |
110 |
60 |
40 |
25 |
12 |
2. |
TEES |
400 |
250 |
170 |
100 |
70 |
40 |
25 |
15 |
8 |
3. |
UNIONS |
300 |
200 |
160 |
100 |
80 |
50 |
30 |
20 |
10 |
4. |
SOCKETS |
800 |
600 |
400 |
250 |
150 |
100 |
70 |
40 |
20 |
5. |
PLUGS |
1000 |
1000 |
800 |
500 |
300 |
150 |
110 |
70 |
40 |
6. |
HEX NIPPLES |
800 |
500 |
400 |
250 |
175 |
125 |
70 |
40 |
20 |
7. |
CROSSES |
300 |
225 |
140 |
70 |
50 |
45 |
45 |
45 |
45 |
8. |
THREE WAY ELBOWS |
400 |
300 |
200 |
100 |
70 |
45 |
45 |
45 |
45 |
9. |
FOUR WAY TEES |
300 |
200 |
110 |
70 |
50 |
45 |
45 |
45 |
45 |
10. |
G.I. BENDS |
300 |
200 |
150 |
65 |
50 |
30 |
20 |
10 |
6 |
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6. Wall Thickness & Tolerances
Size Designation |
½" |
¾" |
1" |
1¼" |
1½" |
2" |
2½" |
3" |
4" |
5" |
6" |
Thickness in mm |
2.5 |
3.0 |
3.0 |
3.5 |
3.5 |
4.0 |
4.5 |
5.0 |
6.0 |
6.5 |
7.5 |
Tolerances in mm
|
+0.5 |
+1.0 |
+1.0 |
+1.0 |
+1.0 |
+1.5 |
+1.5 |
+1.5 |
+2.0 |
+2.0 |
+2.0 |
-0.5 |
-0.7 |
-0.7 |
-0.7 |
-0.7 |
-0.7 |
-1.0 |
-1.0 |
-1.0 |
-1.0 |
-1.0 |
7. Gas
Soundness
Banded Pipe Fittings for gas are made in BSPT or NPT
thread & are individually tested fully immersed in water at a Pneumatic Pressure of 15
kg/cm2/200 PSI.
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8. Hydrotesting
Plain Pipe Fittings for water are hydrotested at 20
kgm/cm2 as per sampling plan for a particular batch of fittings.
Note :
Also available as per IS Standards, British Standards (BS),
American Standards (ANSI).
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