The "primary" modern pipe joint, circa 1925; the Mechanical Joint continues to be in use primarily as a method for connecting fittings, valves, and identical appurtenances to the pipeline. Assign particular colours to distinctive pipe contents, like harmful components, fireplace security programs or potable water. Consistent color coding simplifies identification https://www.facebook.com/permalink.php?story_fbid=pfbid02ttF5Wt13oqXGbn5Jigbm6piGgBweHgktVEEkrsGCVFRSaJc6CQWmXPNf3o2hy6YGl&id=61560512640678&__cft__[0]=AZVs9kPP3FWeELSzBfKwh-T9Wy2cxFdGGUWUEiIuKFpvknAIfkVGbUSgffhAYinOzveKP4f1jHlH5ClJIGJ4ZvKtbxrSKgJFiRrP3cH8gPFDTnCZ6BE8S_wnU_-YtvI0J0izyEzLc68-1qWO7OjKyXatrsLmNwJKikxTFeWvY3tB_rTR2tvurz9iMSejktZCDu3rt_Tz8b5Ex8SryOhq8Xtq&__tn__=%2CO%2CP-R