艾默生双向膨胀阀TRAE20HCA 冷库制冷空调热泵膨胀阀，

美国艾默生EMERSON膨胀阀,艾默生T系列可拆式热力膨胀阀,
艾默生膨胀阀,TCLE1/2H,艾柯膨胀阀TCLE 1H美国艾默生热力膨胀阀TCLE 2H艾默生膨胀阀,TCLE 3H,艾柯膨胀阀TCLE5H美国艾默生热力膨胀阀TCLE 7-1/2H艾默生膨胀阀,TCLE 10H,艾柯膨胀阀TCLE 12H美国艾默生热力膨胀阀TCLE 1/4M,TCLE 3/4M,TCLE 1-1/2M,TCLE 2-1/2M,TCLE3-1/2M,TCLE5-1/2,TCLE7-1/2M, TCLE9M,TCLE1/4S,TCLE1/2S,TCLE1S艾默生膨胀阀TCLE2S,TCLE3S,TCLE4-1/2S,TCLE7S,TCLE8S, TCLE1/2N, 艾默生膨胀阀R407C用TCLE1N,TCLE2N,TCLE3N,TCLE5N,TCLE7-1/2N, 艾默生膨胀阀
TCLE10N,TCLE12N, 艾默生膨胀阀TJLE11H,TJLE14H,TJLE9M,TJLE11M,TJLE7S,TJLE9S,TJLE11N