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ABOUT US
Shanghai quanhang Valve Manufacturing Co., Ltd. is located in Shanghai, the economic center of China. It is located in Jinshan District of Shanghai with convenient transportation. It is specialized in the production and sales of valves. It is a high-quality manufacturer of special valves in Shanghai. At present, it has built a large steel structure workshop and several advanced production lines, which can produce and supply hundreds of valve products, including special valves, ball valves, butterfly valves, valves, globe valves, control valves, balance valves, control valves, pneumatic and electric valves, safety valves and other products.
Shanghai quanhang Valve Manufacturing Co., Ltd. has been paying attention to product quality assurance, from the beginning of production to the factory, the whole process of quality monitoring, strict testing links...
NEWS CENTER
Faults and maintenance of Wafer electric Butterfly valves
If you do not carefully check the usage condition and performance specifications of the wafer-type electric butterfly valve before installation, the wafer-type electric butterfly valve may have the following common faults: the valve cannot be reversed or the reversing action is slow, gas leakage, and the electromagnetic pilot valve is faulty, etc. (1) The inability or slow reversing action of the wafer-type electric butterfly valve is generally caused by poor lubrication, th
2025-5-16-
NEWS CENTER
Talking about the Adjustment Performance of Pneumatic Actuator and Electro-hydraulic Actuator
Since the air is compressible, the stability of the pneumatic transmission system is poor, which has a great impact on the accuracy of position control and speed control. Therefore, the positioning signal of the pneumatic actuator usually produces an execution error with a resolution of about 3~5%. This leads to inaccurate valve positioning correction, the valve should be closed but not closed, and at the same time, it cannot be positioned due to the execution error caused by the resolution,
2022-5-6-
Chemical industry
The chemical industry is a large polluter because of its various types, complex processes, and diverse products, and the types, quantities and toxicity of pollutants discharged during production.
Oil and gas
With the increasing demand for oil and gas products around the world and the depletion of oil and gas resources, the collection, transportation and processing technology and requirements of oil and gas products become increasingly complex, costly and face more and more personalized technical requirements
Pharmaceutical industry
Pharmaceutical industry is an important part of China's national economy. It is a combination of traditional industry and modern industry, and one, two and three industries are integrated.
Metallurgical Industry
The valve used in iron metallurgy industry has strict working condition, poor sealing performance of valve, wear problem in production engineering causes pipeline aging and valve damage, which needs frequent maintenance and treatment. Therefore, due to the problems of short service life and high maintenance frequency of valve, it causes long shutdown time
Water treatment industry
The basic situation of water treatment industry, water resources is an important resource for human survival and social development. With the rapid development of China's economy, urbanization and industrialization process
Electric power industry
Electric power is a kind of energy which is powered by electric energy.Invented in the 1870s, the invention and application of electricity set off the second wave of industrialization
Add: No.8, Huashan Road, Shanyang Town, Jinshan District, Shanghai
Tel:+86 021-31170068
Cell: +86 13817056698 +86 13361816929
Site: m.n1m5ty8a.cn
E-mail:sales@shqhvalve.com
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