The original cast bronze faucet is used, then switch to cheaper brass. Some high-end faucet faucet simply practical wholesale price, some very decorative. A variety of different shapes taps, such as snake, dragon shape, the Rams head shape, geometry or shape of flowers and so reflects the architectural style of that era. Court and other important buildings are mostly silver faucet, silver alloy or bronze gilded faucets, and carved. Between the 18th and 19th centuries, the palace and the mansion for more attention to the production of decorative faucets that rendered Penn wins the primary, placing him beneath it practical features decorative role, that they are not too much crafts. Faucet flow and water pressure related, the greater the pressure the greater the flow, diameter of 1.5 cm to 4 charge calculation, when 1KG pressure is 9 l / sec flow around the production of high quality faucets, pressure is when 3KG flow 15.8 l / s or so Bathroom faucets, when 6KG pressure is about 31.77 liters / sec. I usually tap water pipeline in the calculation of the flow per unit time yes. Water pressure for 0.1--0.6Mpa, flow rate of about 1--3 m / sec, often taking 0.3Mpa ie 1.5 m / sec flow calculations. The formula is: = pipe cross-sectional area of ??the flow velocity orang X _ sanitary ware expert with faucet _ Luoyang Yichuan County taps provided by orang expert ware. Search for "faucet, wit brand with raw materials," fly suppliers, network operators choose to have a full alliance Certified: Guancheng District orang expert ware firm (#), trustworthiness and reliability, now click on "Business on the page Union customer service "live chat with us now!