title>JSI pipe fittings

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Technical Information

Material, Threads, Finish, Pressure-Temperature RatingsStandard 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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