JIS 30 deg fittings is Japanese agricultural and construction machinery manufacturer choose sealing type, there are two types of JIS seal fittings as follow:
JIS 30 degree flare fittings with G thread
JIS 60 degree cone fittings with G thread
JIS 30 degee flare fitting with Metric thread also called Komatsu adapter fittings
JIS fittings with G thread 30 degree flare and 60 degree cone fittings
BSPP thread, Dash size as follows:
1/4-19 4
3/8-19 6
1/2-14 8
3/4-14 12
1-11 16
Komatsu nominal size, Dash size,Komatsu thread as follow:
02 -4 M14 x 1.5
03 -6 M18 x 1.5
04 -8 M22 x 1.5
05 -10 M24 x 1.5
06 -12 M30 x 1.5
10 -16 M33 x 1.5
12 -20 M36 x 1.5
14 -24 M42 x 1.5
Jiayuan manufacture JIS adapters from a hot forged body or hex bar steel. Shapes as Straight,



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