PTEF Wafer Butterfly Valve

Hangzhou Worldwise Valve Co., Ltd., with Hangzhou Valve Factory as origin, was founded in 1958 initially. Our company is a manufacturer designated by the former Ministry of Machine Building to be specialized in manufacturing high and middle pressure valve and pressure reducer. We are the Class II enterprise of the state, the group leader factory under Zhejiang Province Valve Industry, and the high-tech enterprise of Zhejiang Province. We were honored as famous brand of Hangzhou City. Our company is a limited liability company, which has the following certificates such as License for Special Equipment Manufacture (pressure conduit component A1, A2 and security accessories A1 and A2), the Permit of Special Equipment Manufacture (D1 and D2 pressure vessel), the Permit for Design of Pressure Conduit, ISO9001 Quality Management System Certificate, and API 6D Certificate.


Our company covers a land of 70,000 square meters, and the construction area reaches 50,000 square meters. We have nearly 300 employees, including more than 100 various professional and technical personnel, and 5 of them have senior titles and over 40 with middle level titles. Our company set up Hangzhou Valve Research Center, which is provided with relatively powerful product development and design capability. We have more than 200 sets of major manufacturing equipment such as forging machines, mechanical testers, and metal plate welding machines. We have capability of cold and heat comprehensive processing, developing the top-raking ''Security Valve Overall Performance Testing Device'' domestically. We also have complete physical and chemical equipment, computation equipment, and test and experimental equipment.


Our company emphasizes technical progress, which presided over the draft of the state standard GB/T10868-2005 ''Steam Converter Valve for Power Station'' and standard of mechanical industry JB/T6323-2002 ''Steam Converter Valve'' as well as JB/T10530-2005 ''Oxygen Disconnecting Valve''. In addition, our company is now responsible for drafting these standards such as the state standard GB/T ''Steel Pressure Relief Valve for Petrochemical Industry'', ''Dimension Confirmation, Type Selection and Installation of Pressure Relief Valve for Petrochemical Industry, Part One: Dimension Confirmation and Type Selection'', Dimension Confirmation, Type Selection and Installation of Pressure Relief Valve for Petrochemical Industry, Part Two: ''Installation'' and ''Assessment for Resurfacing Welding Craftwork of Valve Facing''.


Our company has the following leading products such as temperature and pressure reducer, security valve and power station valve. Our valves includes gate valve, disconnecting valve, oxygen disconnecting valve, bottom baiting valve, check valve, ball valve, and butterfly valve. Our pressure vessel products include steam jet heat pump, air cannon block clearer, steam separator, and steam manifold product. Our company has manufactured temperature and pressure reducers of more than 8000 sets with the top position of sales volume in the nation up to now. The security valve and power station valve, with fresh structure, reliable quality and stable performance, can be seen everywhere and are sold to clients in these countries and regions such as America, Canada, Brazil, Germany, the Netherlands, Iran, India, Pakistan, Indonesia, and South Africa.


We warmly welcome people from all walks of life to visit the West Lake to negotiate business with us.