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 Φ 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 | | φ6 | | G1/4″ | C13 | M14×1.5 | PG7 | | φ8 | 5/16″ | G3/8″ | C15 | M16×1.5 | PG9 | | φ10 | 1/4″ | G3/8″ | C15 | M16×1.5 | PG9 | | φ12(13) | 3/8″ | G3/8″ | C19 | M20×1.5 | PG11/PG13.5 | | φ15(16) | 1/2″ | G1/2″ | C19 | M20×1.5/M24×1.5 | PG1.35/PG16 | | φ20(19) | 3/4″ | G3/4″ | C25 | M27×2/M30×2 | PG21 | | φ25 | 1″ | G1″ | C31 | M33×2/M36×2 | PG29 | | φ32 | 1/1/4″ | G1/1/4″ | C39 | M42×2/M48×2 | PG29 | | φ38(40) | 1/1/2″ | G1/1/2″ | C51 | M48×2/M60×2 | PG36/PG42 | | φ51(50) | 2″ | G2″ | C63 | M60×2/M72×2 | PG48 | | φ64(70) | 2/1/2″ | G2/1/2″ | C75 | M76×2 | | | φ75(80) | 3″ | G3″ | | M88×2 | | | φ100 | 4″ | G4″ | | M114×2 | | | φ125 | 5″ | G5″ | | M140×2 | | | φ150 | 6″ | G6″ | | M164×2 | | |
