2026-08-08 17:29:22
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KATZ (TZFM) was founded in 2003 and is located in Beijing. It is a professional valve R&D and manufacturing enterprise, equipped with advanced facilities such as independent new product research and development, pipeline fluid control scheme design, precision casting and lost foam casting, material element spectral analysis, physical and chemical performance testing, high and low temperature performance testing, CNC machining, robot automatic welding, and special machine processing and assembly inspection. Our company strictly adheres to national and industry standards (GB, JB, HG) as well as international standards (ANSI, API, DIN, JIS, BS) in the manufacturing of our products. We develop and produce ball valves, butterfly valves, gate valves, globe valves, check valves, hydraulic control valves, low-temperature valves, bellows valves, and high-temperature and high-pressure non-standard valves, as well as automatic control systems and pipeline bellows compensators, expansion joints, flanges, and elbow fittings. We have formed 265 series of nearly 3000 specifications and varieties, covering specifications from DN6 to DN4000, with a working pressure range of 0.25MPa to 32.0MPa (150 pounds to 3000 pounds), and applicable temperatures from -196 ℃ to 800 ℃. The products are widely used in important industries such as water supply, HVAC refrigeration, urban construction, petroleum, natural gas, chemical, power, metallurgy, national defense technology, mining, shipbuilding, food, and medicine. The main products include ball valves, gate valves, butterfly valves, globe valves, balance valves, check valves, filters, pressure reducing valves, copper valves, regulating valves, hoses, compensators, joints, and expansion joints.