YZG12-1 接表阀接头 YZG12-1 Vavle Connector to Meter d d0 L S 代 号 Code No. M20×1.5 左 8 45 14 YZG12-1 YZG12-2 压力表组合接头 YZG12-2 Manometer Combined Connector d1 d2 d L I S 代 号 Code No. ZG1/8" M10×1 4 26 10 14 YZG12-2-ZG1/8"-M10×1 ZG1/8" M12×1.25 4 27 12 17 YZG12-2-ZG1/8"-M12× 1.25 ZG1/8" M14×1.5 4 31 13 19 YZG12-2-ZG1/8"-M14×1.5 ZG1/8" M20×1.5 4 32 13 27 YZG12-2-ZG1/8"-M20×1.5 ZG1/8" G1/2" 4 32 13 27 YZG1