DPJ end type is it adopt high-quality zinc alloy die casting , gold is it succeed to process to connect, surface adopt zinc-plated plating hard chromium punish generally, special place surface deal with on request, aesthetic in appearance products,, structure close having air venting , intensity high, connect with hose , steel tube , good that there is sealing nature, advantage of take precautions against earthquakes , antiseptic , waterproof , dustproofing etc.
. The size of specification , can press the equipment , case body , wanton change of steel tube , requirements of the hose , whorl . One end joins the hose (the steel tube ), the whorl connects switch case , electrical machinery , bridge shelf ,etc. outside one end. Whether order please indicate hose specification and whorl size, example.
15 DPJ - G1/2 ", one end 15 hose , another end G1/2 " other whorl".
| The specification marking | The whorl made in Great Britain is thick Steel whorl | Thin steel whorl | Metric thread | German system | |
| The metric system | British system | ||||
| 6 | G1/4 | C13 | M14×1.5 | PG7 | |
| 8 | 5/16 | G3/8 | C15 | M16×1.5 | PG9 |
| 10 | 1/4 | G3/8 | C15 | M16×1.5 | PG9 |
| 12(13) | 3/8 | G3/8 | C19 | M20×1.5 | PG11/PG13.5 |
| 15(16) | 1/2 | G1/2 | C19 | M20×1.5/M24×1.5 | PG1.35/PG16 |
| 20(19) | 3/4 | G3/4 | C25 | M27×2/M30×2 | PG21 |
| 25 | 1 | G1 | C31 | M33×2/M36×2 | PG29 |
| 32 | 1/1/4 | G1/1/4 | C39 | M42×2/M48×2 | PG29 |
| 38(40) | 1/1/2 | G1/1/2 | C51 | M48×2/M60×2 | PG36/PG42 |
| 51(50) | 2 | G2 | C63 | M60×2/M72×2 | PG48 |
| 64(70) | 2/1/2 | G2/1/2 | C75 | M76×2 | |
| 75(80) | 3 | G3 | M88×2 | ||
| 100 | 4 | G4 | M114×2 | ||
| 125 | 5 | G5 | M140×2 | ||
| 150 | 6 | G6 | M164×2 | ||
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