I-S31254 i-elbow ngumbhobho osetyenziswayo kwiinkqubo zepayipi, kwaye umsebenzi wayo ophambili kukutshintsha indlela yokuhamba kwe-fluid kumbhobho. Ii-angles eziqhelekileyo ze-angles zingama-45 °, i-90 ° kunye ne-180 °, njl njl.
Isiphelo sesiguli sihlala silicandelo elifutshane lemibhobho, kunye nesiphelo esinye nokuba sisiphelo seflethi, kwaye esinye isiphelo sinokuba sisiphelo se-stib okanye ukwenziwa okukhethekileyo ngokweemfuno ezithile. Inxalenye yenxalenye yenzelwe ukuqhuba uqhagamshelo kunye neminye imibhobho okanye izixhobo.