The valve inspection mainly focuses on the following aspects:
1. Whether there is leakage at the product interface. If there is leakage, continue to tighten the bolts or strengthen the interface sealing plate.
2. Whether the flange is intact and free of cracks. If the flange is found to be cracked or brittle, it shall be replaced in time
3. Whether the spherical deformation is serious. If the sphere is seriously stretched and deformed, a limiting device shall be installed in time to ensure the normal use of the valve.
4. Check the gel aging degree, and replace the aging products in time to avoid danger. As valves can replace other pipeline expansion products widely used in power plants, water plants, sewage plants, chemical and metallurgical industries, our valves have been jointly launched by China Architecture Design Institute, Electric Power Architecture Design Institute, and China Natural Gas&Oil Pipeline Company. The main technical indicators, working pressure, bursting pressure, vacuum degree, applicable temperature and applicable medium (acid and alkali resistant) All reached the corresponding indicators, Designated as "Recommended products, mainly made of neoprene, natural and ternary Yibing, are widely used in water, electricity, chemical industry and ship mooring systems. The structural material of Shanghai Dongfeng Valve is dipped nylon curtain on cloth, with 14-16 layers at 1.0MPa, 16-25 layers at 1.6MPa, and high-strength aging resistant materials on the inside and outside. In order to prevent the product from aging and cracking in long-term use, mesh steel wire is used Multi body protection. What are the manifestations of soft valve damage
For example, the valve is exposed to the sun, frozen, wind, sand, rain and snow in the harsh outdoor climate; Out of range stretching; Soft valve damage can be caused by excessive grinding during operation, such as valve strength discount.
"Anhua County 304 Flange Valve Throat" valve uses the advantages of high elasticity, high gas resistance, medium resistance, weather resistance and radiation resistance to reduce vibration and noise, and can compensate for thermal expansion and contraction caused by temperature changes, which is widely used in various pipeline systems.
characteristic:
It has high internal density, can withstand high pressure, and has good elastic deformation effect. The valve is a tubular part composed of inner and outer rubber, cord layer and steel ring, which is vulcanized and formed, and then combined with a metal flange or a loose sleeve of a parallel valve.
The key to select "Anhua 304 flange valve throat" is to see the quality. Shanghai Dongfeng Pump Valve Factory: 021-61551911 is a professional manufacturer of "Anhua County 304 Flange Valve Throat". It has 20 years of production experience and history. Its products are used in many key projects in China and are self operated and exported to the United States, South Korea, France, Spain, Brazil, Dubai, etc.
Anhua County 304 flange valve throat | 304 flange valve throat Shanghai Dongfeng
Dongfeng Company has newly developed electric butterfly valves, electric butterfly valves, pneumatic tubes and leather bags for small precision instruments.
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