... valve, access valve, charging valve, refrigeration part, HAVC part Size: 1/4, 3/16, ... Tube length: 45--160mm With head or without ... price, connecting tube OD, Length etc.Factory photoes:About products:1. Manufacturer ISO9001-2000, ISO14001.2. 20 years` experience of ... strictly with ANSI/ASME B16.22 or EN 1254-1/BS864-2.5. Three- step Quality control. Inspect the raw material, unfinished ...