The negative pressure tank, due to the function of the vacuum compensator, maintains a positive pressure inside the tank under any working state, which prevents the water pump from directly pumping water from the tap water pipe network, protects the water pump, and avoids water shortage for users.
Detailed Photos
COMPANY PROFILE
DFC Pressure Vessel Manufacture Co., Ltd was founded in 1984, DFC has richful manufacturing technology and production experience in the field of pressure vessels, can produce stainless steel, carbon steel, titanium, copper,nickle-based alloy, composite plate material pressure vessels with an annual capacity of about 12,000 tons.
Our products are widely used in various industries including petroleum, chemical, chemical fertilizer, pharmaceutical, water treatment and so on. The products were exported to the United States, Russia, Canada, Preu, Belgium, Costa Rica, Saudi Arabia, Switzerland, Sweden, South Korea, Japan, Malaysia, Philippines, Indonesia, Sudan, Turkmenistan, Niger, Chad and so on, won the praise of domestic and foreign customers.
DFC have has extensive experience in complying with PED (97/23/EC), CUTR, DOSH and CRN requirements. DFC is familiar with domestic and international norms and standards such as: ASME Code Section VIII Div.1, CUTR, AS1210, EN13445, TEMA, AP1650, PD5500, GB150, GB151 and JB4710.
DFC has established long-term cooperation with the third party inspection company such as: TUV, BV, DNV, ABS, CSEI, CCSI, SGS, Moody, and TYPSA who help us to ensure that all raw materials, fabrication procedures and final products are in accordance with our customers' requirements.
Welcome customers and your designated representatives to visit our factory, and DFC is continuously improving in every aspect to suit the needs of this dynamic industry!
MAIN EQUIPMENT
Our workshop covers an area of 30,000 square meters. The lifting capacity of a single workshop is 280 tons. There are 3000 mm * 120 mm bending machines, vertical lathes with diameter of 5000mm , 5m*5m*20 m heat treatment furnace, and tube-tube plate automatic welding machines. Also DFC has CNC drilling machines and equipped with surfacing overlaying machines for composite plates. Our production equipment ranks in the top 20 in China. In the past 30 years, we have provided thousands of high-temperature and high-pressure pressure vessels to the petroleum, petrochemical, chemical, and fertilizer industries and so on. Automatic submerged arc welding machine OUR CERTIFICATES
Packing and delivery
WHY CHOOSE US As a manufacturer with 40 years of experience in pressure vessel manufacturing, DFCTANK can provide MTC, welding docs(WPS,PQR,WPQ), hydrotest report, qualification docs, etc.. The whole process is monitored by international third-party inspection agencies such as TUV, BV, Lloyd's, ABS to ensure no worries about quality and delivery time during the execution of the order. Contact us For more information about surge vessel, please contact:
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