Ibisobanuro: AZ Series Resilient yicaye ya NRS irembo ni irembo rya wedge na Rising stem (Hanze ya Screw na Yoke), kandi ikwiriye gukoreshwa n'amazi n'amazi adafite aho abogamiye (umwanda). Irembo rya OS&Y (Hanze ya Screw na Yoke) irembo rikoreshwa cyane muri sisitemu yo gukingira umuriro. Itandukaniro nyamukuru rituruka kuri NRS isanzwe (Non Rising Stem) irembo ni uko uruti nigiti cyibiti bishyirwa hanze yumubiri wa valve. Ibi biroroshye kubona niba valve ifunguye cyangwa ifunze, nkuko hafi ya en ...