Water conservancy and water affairs

Author：Shanghai Lianggong ValvesTime：2021-04-20 11:04:53 次浏览

Information summary：

Water Conservancy and Water Affairs In 1952, the first 2 "1,500-pound high-pressure cast steel valve was successfully manufactured, marking the beginning of China‘s history of self-made high-pressure cast steel valves. In 1955, control valves and lake inlet valves were successfully manufactured. Mass production began in 1956 with diameters of 50, 65, 100 and 125 and pressures of

水利水务

Water conservancy and water affairs(图1)

◇ In 1952, the first 2 "1,500-pound high-pressure cast steel valve was successfully manufactured, marking the beginning of the history of self-made high-pressure cast steel valves in China.

◇ In 1955, control valves and lake inlet valves were successfully manufactured.

◇ In 1956, mass production of high-pressure cast steel flanged gate valves with diameters of 50, 65, 100 and 125 and a pressure of 160 kilograms began, marking the beginning of mass production of high-pressure valves.

◇ At the end of 1959, the small-diameter ball valve was successfully trial-produced, marking the beginning of the history of ball valve production.

◇ In 2002, it was among the first batch to receive the "" issued by the General Administration of Quality Supervision, Inspection and Quarantine. Manufacturing License for Pressure Pipeline Components (AZ Certificate).

◇ The Period of Reform and Opening Up (Private sector) (2003 - Present)
Main products：

Cast steel gate valves, cast steel globe valves, ball valves, butterfly valves, check valves

Remote control float valves, pressure reducing valves, balance valves, and slow-closing check valves

Y-type filters, anti-fouling isolation valves, grooved butterfly valves, grooved gate valves, control valves, backflow preventers, etc.

Strategic partner：

China Communications Second Harbor Engineering Bureau, China Railway Construction Engineering Group, China Construction Third Engineering Bureau, China Railway First Bureau, China Construction Third Engineering Bureau

China Construction Eighth Engineering Division, China Railway Construction Engineering Group, Nantong Fourth Construction Company, Shenzhen Water Group, Nongfu Spring

Hefei Water Supply Group, Nanjing Water Group, etc.

【Recommend】

Up.：no
Under：no

Return Label：

Industry application

Petroleum

Chemistry

Electricity

Nuclear power