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About Us
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Tianjin Kaiweisi Valve Manufacturing Co., Ltd. is located in the Industrial Zone of Xiaozhan Town, Jinnan District, Tianjin. It is only 50 li away from Tianjin Port, enjoying convenient transportation.
The enterprise covers an area of more than 60,000 square meters, with a building area of 33,000 square meters. The registered capital is 51.88 million yuan, and it currently has 128 employees, including 18 engineering and technical personnel and 6 professional engineers.
Tianjin Kaiweisi Valve Co., Ltd. is a professional valve manufacturer integrating design, development, production, installation, sales and service.
Its main products include various types of valves:center line butterfly valves, flanged butterfly valves, eccentric butterfly valves, metal-seated butterfly valves, ventilation butterfly valves, blind plate valves, check valves, globe valves, filters, hydraulic control valves, slurry valves, balancing valves, brass valves, exhaust valves, gas valves, metallurgical valves, steam traps, ceramic valves, various gate valves, various ball valves, as well as HVAC systems.
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Product Series
SOLUTIONS
Water system valve
Metallurgical valve
HVAC valve
Quality Selection
Brand Guarantee, Quality Worry-Free
Strategic partners
The company adheres to flexible marketing strategies focused on customers. Strict quality control ensures efficient production and sales. Professional technical and after-sales teams satisfy global customers.
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Learn more
NEWS DYNAMIC
Threeway ball valves feature long service life, large flow and low resistance.They are available in single-acting and double-acting types.Single-acting valves revert to the system's required posit...
DN300 suction pipe shall be equipped with an electric gate valve.Valve seals in water supply systems shall be synthetic rubber; recycled rubber and asbestos are prohibited.Use CR, NBR, EPDM at ≤55℃...
Metallic hard-sealed butterfly valves feature simple structure, compact size and easy installation. What about its eccentric structure and wear-resistant sealing surface? Valves are wi...
Wafer butterfly valves have no flanges and are clamped by pipe flanges with stud bolts.Flanged butterfly valves have integral flanges, similar to ordinary gate valves.They are used for gas regulati...
Differences Between Globe Valves and Gate Valves 1. StructureGate valves are more complex. For the same diameter, gate valves are taller, while globe valves are longer. Gate valves have rising ste...
As the name suggests, the main difference is power supply vs air supply.Electric control valves use a motor; pneumatic ones use compressed air.Fundamentally similar, only different drive modes.Elec...
Fireproof and antistatic ball valves are used for natural gas, coal gas, LPG, city gas and non-corrosive gas pipelines.Conductive springs between the ball, stem and body discharge static ele...
不锈钢球阀由于聚四氟乙烯配件有良好的自润滑性，与球体的摩擦磨损小，而且由于球体加工工艺的改进，使粗糙度降低，从而提高了球阀的使用寿命； 目前市场上绝大多数的阀座都是用聚四氟乙烯等弹性材料制造，金属与非金属材料组成的密封，通常称为软密封；一般说来，软密封的密封性容易保证，而且对密封表面的加工精度与表面粗糙度要求也不很高；
Pneumatic butterfly valves are widely used as shut-off valves, suitable for large and medium pipelines.Common types: stainless steel, hard-sealed, soft-sealed, carbon steel, etc.Stainless steel typ...
电动球阀是由电动执行机构和球阀共同构成电动球阀。是工业自动化过程控制的一种管道压元件，通常用于管道介质的远程开、关（接通、切断介质）控制。电动球阀选择的依据是什么?一、是控制元件，在流体管道系统的应用中，是非常广泛的，它的用途也非常多，对控制流量、压力、回流等等，都有非常好的效果。由于电动球阀质量的好坏，对管道的安全性，有很大的影响，所以在选择电动球阀的时候，一定要按照一定的步骤和依据进行挑...
I. Advantages of Ball ValvesExtremely low flow resistance (nearly zero).No jamming even without lubrication, suitable for corrosive and low-boiling media.Full sealing over a wide pressure and tempe...
Ventilation butterfly valves are a type of electric butterfly valve, named for their round disc.They consist of a quarter-turn electric actuator and a butterfly valve, used with combined electric ...
Four-way ball valves are widely used in oil, chemical, urban water supply and drainage, and other applications requiring strict shut-off.Note: Leave space for handle rotation during maintenance; do...
Check valves are used for flow switching, diverting and converging in pipelines, mainly classified as **T-type** and **L-type**.- T-type: for flow diversion, convergence and direction switching.- ...
# Installation Notes for Butterfly ValvesInstallation Environment:Suitable for indoor and outdoor use. Use corrosion-resistant materials for corrosive or rust-prone conditions. Consult the manufac...
止回阀又称单向阀或逆止阀，其作用是防止管路中的介质倒流。水泵吸水关的底阀也属于止回阀类。启闭件靠介质流动和力量自行开启或关闭，以防止介质倒流的阀门叫止回阀。止回阀属于自动阀类，止回阀主要用于介质单向流动的管道上，只允许介质向一个方向流动，以...
一、球阀的适用场合 球阀诸多特有的特点决定了球阀的使用场合相对较广，通常，天津球阀生产商在双位调节、密封性能严格、泥浆、磨损、缩口通道、启闭动作迅速(1/4转启闭)、高压截止(压差大)、低噪声、有气穴和气化现象、向大气少量渗漏，操作力...
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