异径接头 卡套式四通接头 管外螺纹转换接头 螺丝帽针阀

 PR21LA-D-G-M,PR21BB-D-I-M,PR21SD-E-K-M,PR21BG-E-L-M,PR21BJ-F-M-M,减压阀

PR21LA-D-I-M,PR21LA-D-K-M,PR21LA-D-L-M,PR21LA-D-M-M,
PR21LB-D-G-M,PR21LB-D-I-M,PR21LB-D-K-M,PR21LB-D-L-M,PR21LB-D-M-M,
PR21LD-D-G-M,PR21LD-D-I-M,PR21LD-D-K-M,PR21LD-D-L-M,PR21LD-D-M-M,
PR21LG-D-G-M,PR21LG-D-I-M,PR21LG-D-K-M,PR21LG-D-L-M,PR21LG-D-M-M,
PR21LJ-D-G-M,PR21LJ-D-I-M,PR21LJ-D-K-M,PR21LJ-D-L-M,PR21LJ-D-M-M,
PR21LM-D-G-M,PR21LM-D-I-M,PR21LM-D-K-M,PR21LM-D-L-M,PR21LM-D-M-M,
PR21SA-D-G-M,PR21SA-D-I-M,PR21SA-D-K-M,PR21SA-D-L-M,PR21SA-D-M-M,
PR21SB-D-G-M,PR21SB-D-I-M,PR21SB-D-K-M,PR21SB-D-L-M,PR21SB-D-M-M,
PR21SD-D-G-M,PR21SD-D-I-M,PR21SD-D-K-M,PR21SD-D-L-M,PR21SD-D-M-M,
PR21SG-D-G-M,PR21SG-D-I-M,PR21SG-D-K-M,PR21SG-D-L-M,PR21SG-D-M-M,
PR21SJ-D-G-M,PR21SJ-D-I-M,PR21SJ-D-K-M,PR21SJ-D-L-M,PR21SJ-D-M-M,
PR21SM-D-G-M,PR21SM-D-I-M,PR21SM-D-K-M,PR21SM-D-L-M,PR21SM-D-M-M,
PR21BA-D-G-M,PR21BA-D-I-M,PR21BA-D-K-M,PR21BA-D-L-M,PR21BA-D-M-M,
PR21BB-D-G-M,PR21BB-D-K-M,CCLAIR,PR21BB-D-L-M,PR21BB-D-M-M,
PR21BD-D-G-M,PR21BD-D-I-M,PR21BD-D-K-M,PR21BD-D-L-M,PR21BD-D-M-M,
PR21BG-D-G-M,PR21BG-D-I-M,PR21BG-D-K-M,PR21BG-D-L-M,PR21BG-D-M-M,
PR21BJ-D-G-M,PR21BJ-D-I-M,PR21BJ-D-K-M,PR21BJ-D-L-M,PR21BJ-D-M-M,
PR21BM-D-G-M,PR21BM-D-I-M,PR21BM-D-K-M,PR21BM-D-L-M,PR21BM-D-M-M,
PR21LA-E-G-M,PR21LA-E-I-M,PR21LA-E-K-M,PR21LA-E-L-M,PR21LA-E-M-M,
PR21LB-E-G-M,PR21LB-E-I-M,PR21LB-E-K-M,PR21LB-E-L-M,PR21LB-E-M-M,
PR21LD-E-G-M,PR21LD-E-I-M,PR21LD-E-K-M,PR21LD-E-L-M,PR21LD-E-M-M,
PR21LG-E-G-M,PR21LG-E-I-M,PR21LG-E-K-M,PR21LG-E-L-M,PR21LG-E-M-M,
PR21LJ-E-G-M,PR21LJ-E-I-M,PR21LJ-E-K-M,PR21LJ-E-L-M,PR21LJ-E-M-M,
PR21LM-E-G-M,PR21LM-E-I-M,PR21LM-E-K-M,PR21LM-E-L-M,PR21LM-E-M-M,
PR21SA-E-G-M,PR21SA-E-I-M,PR21SA-E-K-M,PR21SA-E-L-M,PR21SA-E-M-M,
PR21SB-E-G-M,PR21SB-E-I-M,PR21SB-E-K-M,PR21SB-E-L-M,PR21SB-E-M-M,
PR21SD-E-G-M,PR21SD-E-I-M,PR21SD-E-L-M,PR21SD-E-M-M,
PR21SG-E-G-M,PR21SG-E-I-M,PR21SG-E-K-M,PR21SG-E-L-M,PR21SG-E-M-M,
PR21SJ-E-G-M,PR21SJ-E-I-M,PR21SJ-E-K-M,PR21SJ-E-L-M,PR21SJ-E-M-M,
PR21SM-E-G-M,PR21SM-E-I-M,PR21SM-E-K-M,PR21SM-E-L-M,PR21SM-E-M-M,
PR21BA-E-G-M,PR21BA-E-I-M,PR21BA-E-K-M,PR21BA-E-L-M,PR21BA-E-M-M,
PR21BB-E-G-M,PR21BB-E-I-M,PR21BB-E-K-M,PR21BB-E-L-M,PR21BB-E-M-M,
PR21BD-E-G-M,PR21BD-E-I-M,PR21BD-E-K-M,PR21BD-E-L-M,PR21BD-E-M-M,
PR21BG-E-G-M,PR21BG-E-I-M,CCLAIR,PR21BG-E-K-M,PR21BG-E-M-M,
PR21BJ-E-G-M,PR21BJ-E-I-M,PR21BJ-E-K-M,PR21BJ-E-L-M,PR21BJ-E-M-M,
PR21BM-E-G-M,PR21BM-E-I-M,PR21BM-E-K-M,PR21BM-E-L-M,PR21BM-E-M-M,
PR21LA-F-G-M,PR21LA-F-I-M,PR21LA-F-K-M,PR21LA-F-L-M,PR21LA-F-M-M,
PR21LB-F-G-M,PR21LB-F-I-M,PR21LB-F-K-M,PR21LB-F-L-M,PR21LB-F-M-M,
PR21LD-F-G-M,PR21LD-F-I-M,PR21LD-F-K-M,PR21LD-F-L-M,PR21LD-F-M-M,
PR21LG-F-G-M,PR21LG-F-I-M,PR21LG-F-K-M,PR21LG-F-L-M,PR21LG-F-M-M,
PR21LJ-F-G-M,PR21LJ-F-I-M,PR21LJ-F-K-M,PR21LJ-F-L-M,PR21LJ-F-M-M,
PR21LM-F-G-M,PR21LM-F-I-M,PR21LM-F-K-M,PR21LM-F-L-M,PR21LM-F-M-M,
PR21SA-F-G-M,PR21SA-F-I-M,PR21SA-F-K-M,PR21SA-F-L-M,PR21SA-F-M-M,
PR21SB-F-G-M,PR21SB-F-I-M,PR21SB-F-K-M,PR21SB-F-L-M,PR21SB-F-M-M,
PR21SD-F-G-M,PR21SD-F-I-M,PR21SD-F-K-M,PR21SD-F-L-M,PR21SD-F-M-M,
PR21SG-F-G-M,PR21SG-F-I-M,PR21SG-F-K-M,PR21SG-F-L-M,PR21SG-F-M-M,
PR21SJ-F-G-M,PR21SJ-F-I-M,PR21SJ-F-K-M,PR21SJ-F-L-M,PR21SJ-F-M-M,
PR21SM-F-G-M,PR21SM-F-I-M,PR21SM-F-K-M,PR21SM-F-L-M,PR21SM-F-M-M,
PR21BA-F-G-M,PR21BA-F-I-M,PR21BA-F-K-M,PR21BA-F-L-M,PR21BA-F-M-M,
PR21BB-F-G-M,PR21BB-F-I-M,PR21BB-F-K-M,PR21BB-F-L-M,PR21BB-F-M-M,
PR21BD-F-G-M,PR21BD-F-I-M,PR21BD-F-K-M,PR21BD-F-L-M,PR21BD-F-M-M,
PR21BG-F-G-M,PR21BG-F-I-M,PR21BG-F-K-M,PR21BG-F-L-M,PR21BG-F-M-M,
PR21BJ-F-G-M,PR21BJ-F-I-M,CCLAIR,PR21BJ-F-K-M,PR21BJ-F-L-M,
PR21BM-F-G-M,PR21BM-F-I-M,PR21BM-F-K-M,PR21BM-F-L-M,PR21BM-F-M-M,
PR21LA-D-G-P,PR21LA-D-I-P,PR21LA-D-K-P,PR21LA-D-L-P,PR21LA-D-M-P,
PR21LB-D-G-P,PR21LB-D-I-P,PR21LB-D-K-P,PR21LB-D-L-P,PR21LB-D-M-P,
PR21LD-D-G-P,PR21LD-D-I-P,PR21LD-D-K-P,PR21LD-D-L-P,PR21LD-D-M-P,
PR21LG-D-G-P,PR21LG-D-I-P,PR21LG-D-K-P,PR21LG-D-L-P,PR21LG-D-M-P,
PR21LJ-D-G-P,PR21LJ-D-I-P,PR21LJ-D-K-P,PR21LJ-D-L-P,PR21LJ-D-M-P,
PR21LM-D-G-P,PR21LM-D-I-P,PR21LM-D-K-P,PR21LM-D-L-P,PR21LM-D-M-P,
PR21SA-D-G-P,PR21SA-D-I-P,PR21SA-D-K-P,PR21SA-D-L-P,PR21SA-D-M-P,
PR21SB-D-G-P,PR21SB-D-I-P,PR21SB-D-K-P,PR21SB-D-L-P,PR21SB-D-M-P,
PR21SD-D-G-P,PR21SD-D-I-P,PR21SD-D-K-P,PR21SD-D-L-P,PR21SD-D-M-P,
PR21SG-D-G-P,PR21SG-D-I-P,PR21SG-D-K-P,PR21SG-D-L-P,PR21SG-D-M-P,
PR21SJ-D-G-P,PR21SJ-D-I-P,PR21SJ-D-K-P,PR21SJ-D-L-P,PR21SJ-D-M-P,
PR21SM-D-G-P,PR21SM-D-I-P,PR21SM-D-K-P,PR21SM-D-L-P,PR21SM-D-M-P,
PR21BA-D-G-P,PR21BA-D-I-P,PR21BA-D-K-P,PR21BA-D-L-P,PR21BA-D-M-P,
PR21BB-D-G-P,PR21BB-D-I-P,PR21BB-D-K-P,PR21BB-D-L-P,PR21BB-D-M-P,
PR21BD-D-G-P,PR21BD-D-I-P,PR21BD-D-K-P,PR21BD-D-L-P,PR21BD-D-M-P,
PR21BG-D-G-P,PR21BG-D-I-P,PR21BG-D-K-P,PR21BG-D-L-P,PR21BG-D-M-P,
PR21BJ-D-G-P,PR21BJ-D-I-P,PR21BJ-D-K-P,PR21BJ-D-L-P,PR21BJ-D-M-P,
PR21BM-D-G-P,PR21BM-D-I-P,PR21BM-D-K-P,PR21BM-D-L-P,PR21BM-D-M-P,
PR21LA-E-G-P,PR21LA-E-I-P,PR21LA-E-K-P,PR21LA-E-L-P,PR21LA-E-M-P,
PR21LB-E-G-P,PR21LB-E-I-P,CCLAIR,PR21LB-E-K-P,PR21LB-E-L-P,PR21LB-E-M-P,
PR21LD-E-G-P,PR21LD-E-I-P,PR21LD-E-K-P,PR21LD-E-L-P,PR21LD-E-M-P,
PR21LG-E-G-P,PR21LG-E-I-P,PR21LG-E-K-P,PR21LG-E-L-P,PR21LG-E-M-P,
PR21LJ-E-G-P,PR21LJ-E-I-P,PR21LJ-E-K-P,PR21LJ-E-L-P,PR21LJ-E-M-P,
PR21LM-E-G-P,PR21LM-E-I-P,PR21LM-E-K-P,PR21LM-E-L-P,PR21LM-E-M-P,
PR21SA-E-G-P,PR21SA-E-I-P,PR21SA-E-K-P,PR21SA-E-L-P,PR21SA-E-M-P,
PR21SB-E-G-P,PR21SB-E-I-P,PR21SB-E-K-P,PR21SB-E-L-P,PR21SB-E-M-P,
PR21SD-E-G-P,PR21SD-E-I-P,PR21SD-E-K-P,PR21SD-E-L-P,PR21SD-E-M-P,