Dongfeng Rubber Expansion Joint Service First Since the flexible electric butterfly valve has good comprehensive performance, it is widely used in basic projects such as chemical industry, construction, water supply, drainage, petroleum, light and heavy industry, refrigeration, sanitation, plumbing, fire protection, power, etc. According to different materials, it can be made into various varieties, such as acid resistance, alkali resistance, corrosion resistance, oil resistance, high temperature resistance, radiation resistance, wear resistance, aging resistance, etc., which can adapt to a variety of media and environments.
Rubber soft joint is also called rubber soft joint, flexible electric butterfly valve, flexible electric butterfly valve, rubber shock absorber, etc. The product is mainly composed of tubular rubber parts composed of inner and outer rubber layers, cord layers and steel wire rings, which are vulcanized at high temperature and high pressure and then combined with metal flange loose sleeves.
It is widely used in fire protection, chemical industry, pump valve and other pipeline systems, playing the role of earthquake resistance and noise reduction, and absorbing the displacement generated during pipeline operation. Precautions for the installation of rubber flexible joint: 1. The installation length of rubber flexible joint is calculated based on the outside of the rubber sealing surface at both ends of the sphere, and the product does not flow in different directions; 2. It is forbidden to conduct hydraulic test when the connecting bolts of each part are not fastened; 3. It is forbidden to open the connecting bolt between the rubber flexible connection and the pipeline during the water pressure test and operation stages; 4. It is prohibited to pre stretch the installation beyond the natural length of the rubber flexible connection; 5. The pipeline must be provided with fixed support or fixed bracket, and the force of the fixed bracket must be greater than the axial force. During vertical installation and overhead installation, corresponding fixed supports and forced supports shall be installed at both ends of the product to prevent pulling off under working pressure.
What is the difference between rubber soft connection and metal soft connection? 1: The two seem very similar, but their functions are quite different. Stainless steel metal hose, also known as metal hose, metal flexible connection and stainless steel hose, has good flexibility, temperature resistance, pressure resistance and corrosion resistance, and is suitable for transmission of steam, water, oil and various industrial gases and other media. 2 The rubber soft connection sphere is composed of a rubber tube with multiple layers of rubber scraped nylon cord fabric and outer rubber layers in the inner rubber layer and reinforcement layer. The rubber materials used vary according to the media, including natural rubber, styrene butadiene rubber, butyl rubber, butyl rubber, EPDM, chloroprene rubber, silicone rubber, fluororubber, etc. It has the functions of heat resistance, acid resistance, alkali resistance, corrosion resistance, abrasion resistance, oil resistance, etc. The metal flexible connection plays an important role in the movement, thermal expansion absorption and vibration absorption of the pipeline system. The model length and connection mode of metal flexible connection shall be in accordance with the user's requirements.