Equipment goods

Backflow Preventers

Price : US $1 - 3,000 / Set

Backflow Preventers

The problem of contaminated water due to backflow is emerging, and the health hazards caused by contaminated water are also alarming to engineers and water equipment suppliers. The problem of backflow water may occur in every place where water is used. We can learn about the harm caused by backflow water from the following two specific cases: A serious backflow problem occurred in Allegheny County, Pittsburgh, Pennsylvania.

Backflow Preventers

The problem of contaminated water due to backflow is emerging, and the health hazards caused by contaminated water are also alarming to engineers and water equipment suppliers. The problem of backflow water may occur in every place where water is used. We can learn about the harm caused by backflow water from the following two specific cases: A serious backflow problem occurred in Allegheny County, Pittsburgh, Pennsylvania.

Backflow Preventers Products:

Backflow Preventers(Low Pressure)

Backflow Preventers(Low Pressure)

Low Pressure Backflow Preventers is used between urban water supply and user Double Check Valve Backflow Preventer. The size include 2.5 inch backflow preventer and 10 backflow preventer.

Double Check Valve Backflow Preventer

Backflow Preventers is used for water supply system, fire water system, air conditioning water system, municipal water supply pipe system.

A pest control company contaminated the water supply when it used the insecticide to kill termites. The company USES water from garden to mix chlordane and heptachlor in tanker trucks. The end of the hose is immersed in the chemicals, while water in the area are draining.

When the plumber inserted the pipe into the gate valve, the water began to flow out because the discharge point was downstream of the tank car and there was no water backflow preventer installed, which caused the siphon phenomenon, causing the chemicals to be sucked out of the tank car and into the water supply system; The drinking water of a primary school in bowling green, Kentucky, was contaminated with ethylene glycol, a chemical used in an HVAC system, due to the lack of a backflow preventer valve.

When the contractor pumps the drinking water into the geothermal heat pipe, a small amount of ethylene glycol flows back into the drinking water under pressure. The university then issued a notice to ensure the safety of drinking water in the future, staff in the HVAC system installed double check backflow preventer.

Control Valve

ZECO control valves are widely used in water supply and drainage control systems in the global building market. As one of the top three brands of water system valves produced in China, ZECO has strict requirements on the materials used for parts and the technological process, For example, all the copper standard parts and the copper inner parts, because ZECO has mastered the source of copper raw materials, to ensure the reliability of the copper material from the very beginning of finishing, and in the casting process, it will go through a series of detection methods such as pre-furnace analysis and spectrometer material testing to ensure the safety of the material. As the backflow preventer suppliers and backflow preventer manufacturers

, if you don't know where to buy backflow preventer? Please contact us.

ZECO Valve Group, founded in 1991 with focus on manufacturing Water valves, including control valves, balancing valves,gate valves, butterfly valves, check valves, and air valves. Valve sizing 1/2to 88, rating BS 10bar through BS 25bar, served covering buildings & construction, waterworks, fire protection and many other fields. ZECO has excellent product quality and sound managing system. We have certificates of ISO9001, ISO14001, ISO18001, WRAS, FM, API 6D, CE, TS, and Sanitary Certificate for Drinking Water Equipment. Meanwhile, our products are insured by PICC. Besides, we are member of China Valve Industry Association, China Fire-proof Association and Water Supply and Sewage Engineering Division of China Construction Metal Structure Association, and having long-term cooperation with China National Chemical Equipment Corporation (CNCE) and China Petroleum & Chemical Engineering Survey and Design Association(CPCESDA). After development of 26 years, today the company supplies products to more than 30 countries and regions in the world and becomes one of the leading supplies control valve china.

Location : Caoan Road 3999#, JiaDing District, Shanghai, China, 200080 shanghai,
Contact : Zhao Johnson, 86 21 39597277

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