Daiichi Keiki, Japan
Daiichi Keiki ZJO Series Female-to-Male Joint
Manufacturer: Daiichi Keiki
Model: ZJO Series
Overview of ZJO Series
Product used when the pressure gauge and the connecting side have different diameters or materials:
– Maximum working pressure:
– Brass (C3604BD): 50MPa
– Stainless steel (SUS316): 100MPa
Piping method example
Specifications of ZJO Series
| General material made of brass |
Corrosion resistant material SUS316 |
d1 x d2 female x male |
A | E | F | B×C HEX |
| ZJO-271 | ZJO-276 | G1/4B×R1/4 | 34 | 14 | 16 | 9×21.9 |
| ZJO-231 | ZJO-236 | G1/4B×G3/8B | 36 | 18 | ||
| ZJO-281 | ZJO-286 | G1/4B×R3/8 | ||||
| ZJO-321 | ZJO-326 | G3/8B×G1/4B | 16 | 16 | 22×25.4 | |
| ZJO-371 | ZJO-376 | G3/8B×R1/4 | ||||
| ZJO-381 | ZJO-386 | G3/8B×R3/8 | 38 | 18 | ||
| ZJO-341 | ZJO-346 | G3/8B×G1/2B | 40 | 20 | ||
| ZJO-391 | ZJO-396 | G3/8B×R1/2 | ||||
| ZJO-431 | ZJO-436 | G1/2B×G3/8B | 18 | 18 | 27×31.2 | |
| ZJO-481 | ZJO-486 | G1/2B×R3/8 | ||||
| ZJO-491 | ZJO-496 | G1/2B×R1/2 | 42 | 20 |
Outline drawing
| Product name | Type | General material | Corrosion resistant material |
| Female-male joint | G×G | Female-male joint G×G | |
| G×R | Female-male joint G×R | ||
Due to improvements to this product, specifications may change without prior notice.
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