GS-Hydro offers a wide range of piping products for a complete non-welded piping system.

JIC 37° Flare Fittings

All GS-JIC 37° flare fittings comply with SAEJ 514 (ISO 8434-2). In addition to basic JIC 37° flare fittings, GS-Hydro also delivers special JIC 37° flare fittings - either with or without an O-ring - which are type approved by Det Norske Veritas. GS-Hydro’s JIC-fittings are specified by NORSOK (specification classes FS70, IS70) to be used offshore.

Carbon steel

AISI 316

AISI 316 and Carbon steel with o-ring

Tube OD,
mm

Tube OD,
inch

Max. tube wall thickness,
mm

Max. allowable working pressure,
bar

Max. allowable working pressure,
bar

Max. allowable working pressure,
bar

6

¼

1.5

430

430

600

8

5/16

1.5

430

430

600

10

3/8

1.5

430

430

600

12

½

2.0

350

350

490

16

5/8

2.5

350

350

490

18

¾

2.5

350

350

490

20

-

2.5

350

350

490

22

7/8

2.5

350

350

490

25

1

3.0

250

250

420

30

-

4.0

250

250

420

38

5.0

250

250

420

Note! All pressures are for fittings and NOT for tubes

Carbon steel and stainless steel (AISI 316) GS-JIC 37° flare fittings without an O-ring may (according to the type approval from DNV) be used for the following media:

  • Freshwater
  • Seawater
  • Sanitary
  • Compressed air
  • Hydraulic
  • Fuel oil (JIC to NPTF only)
  • Lubricating oil (JIC to NPTF only)
  • Steam and condensate
  • Fire water
  • Deluge systems

Carbon steel and stainless steel (AISI 316) GS-JIC 37° flare fittings with an O-ring may be used (according to the type approval from DNV) for the following media:

  • Freshwater
  • Seawater
  • Sanitary
  • Compressed air
  • Hydraulic
  • Steam and condensate
  • Nitrogen
  • Shield gas
  • CO2
  • Fire water

The following O-ring materials should be used:

  • For gas-media AFLAS 100H/100S
  • For other media Nitrile 70 shore

Carbon steel and stainless steel (AISI 316) JIC 37° flare fittings may be used for a wide range of applications including hydraulic, freshwater, fuel and lubricating oil among others. The maximum allowable working pressure of JIC 37° flare fittings (according to ISO 8434-2) are as follows:

JIC 37o Flare Fittings (According to ISO 8343-2)

Tube OD,
mm

Tube OD,
inch

Max. tube wall thk,
mm

Max. allowable working pressure,
bar

6

¼

1.5

350

8

5/16

1.5

350

10

3/8

1.5

250

12

½

2.0

250

16

5/8

2.5

250

20

-

2.5

200

22

7/8

2.5

160

25

1

3,0

160

30

-

3,0

125

32

1 1/4

3,0

125

38

1 1/2

3,0

100

 

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