Stainless steel ferrule ball valve, also known as stainless steel ferrule ball valve, double card sets of ball valves, single card sets of ball valves, ferrule sets of different diameter ball valve, card ring type ball valve, ball valve, QG.Y1 card sets of ball valves, . Widely used in water treatment equipment, chemical equipment, petrochemical equipment, petroleum equipment, paper making equipment, mining equipment, electrical equipment, gas equipment, food equipment, pharmaceutical equipment, water supply and drainage equipment, machinery and equipment valves, valve electronics, , Industrial pipe valves, general parts, industrial equipment, fire HVAC, filtration equipment, environmental protection equipment and other fields. Because ball valves are usually made of rubber, nylon and PTFE as the seat ring material, its service temperature is limited by the seat ring material. The cut-off effect of the ball valve is achieved by pressing the metal ball against each other by the medium under the action of the medium (floating ball valve). Seat ring in a certain amount of contact pressure, elastic deformation occurs in some areas. This deformation can compensate for the ball manufacturing accuracy and surface roughness, to ensure the sealing performance of the ball valve. And because the ball valve seat ring is usually made of plastic, so in the choice of ball valve structure and performance, to consider the ball valve fire and fire, especially in petroleum, chemical, metallurgical and other departments, flammable and explosive media The use of equipment and piping system ball valve, but should pay attention to fire and fire. Normally, the sealing performance is strictly controlled at two positions, the mud, wear and contraction channels, rapid opening and closing movements (1/4 turn on and off), high pressure cutoff (large pressure drop), low noise, cavitation and gasification, A small amount of leakage to the atmosphere, the operating torque is small, the fluid resistance of small pipe systems, the recommended use of the ball valve. Ball valve is also suitable for light structure, low pressure cutoff (small pressure difference), corrosive medium piping system. Ball valves are also available in cryogenic (cryogenic) systems and piping systems. Oxygen piping systems in the metallurgical industry require the use of carefully degreased ball valves. In the oil pipeline and gas pipeline in the main line to be buried in the ground, you need to use full-bore welded ball valve. When required to have regulatory performance, the need to use a special structure with a V-shaped opening ball valve. In petroleum, petrochemical, chemical, power, urban construction, the working temperature of 200 degrees above the pipeline system can choose metal to metal sealed ball valve.
Grinding Wheels
Grinding is a kind of disc grinding products, is the use of high voltage electrostatic field force, the fine grinding grain (alumina or silicon carbide) rooted in high-strength polyester film, the sand all the knife outwards, sharp cutting, can provide higher grinding efficiency and careful polishing effect, and then pass back velvet, cutting processing
Behappy high grain concentration for agressive cutting action and smoother running wheels
Grinding Wheels,Flap Disc Grinding Tool,Zirconia Grinding Abrasive Tool,Grinding Wheel Grinding Tool
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