DEFINING NEW STANDARDS IN VALVES FOR WATER
Main Products
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DC Series flanged eccentric butterfly valve
Description: DC Series flanged eccentric butterfly valve incorporates a positive retained resilient disc seal and either an integral body seat. The valve has three unique attributes: less weight, more strength and lower torque. Characteristic: 1. Eccentric action reduces torque and seat contact during operation extending valve life 2. Suitable for on/off and modulating service. 3. Subject to size and damage, the seat can be repaired in the field and in certain cases, repaired from outside th...
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UD Series soft sleeve seated butterfly valve
UD Series soft sleeve seated butterfly valve is Wafer pattern with flanges ,the face to face is EN558-1 20 series as wafer type. Characteristics: 1.Correcting holes are made on flange according to standard, easy correcting during the installation. 2.Through-out bolt or one-side bolt used. Easy replacing and maintenance. 3.The soft sleeve seat can isolate the body from media. Product operation instruction 1. Pipe flange standards should conform to butterfly valve standards; suggest using weld...
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YD Series Wafer butterfly valve
Description: YD Series Wafer butterfly valve ‘s flange connection is universal standard,and the material of handle is aluminium;It can be used as a device to cut-off or regulate the flow in various medium pipes. Through selecting different materials of disc and seal seat, as well as the pinless connection between disc and stem,the valve can be applied to worse conditions, such as desulphurization vacuum, sea water desalinization. Characteristic: 1. Small in size&light in weight and...
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MD Series Lug butterfly valve
Description: MD Series Lug type butterfly valve allows downstream pipelines and equipments online repair, and it can be installed on pipe ends as exhaust valve. Alignment features of lugged body allows easy installation between pipeline flanges. a real installationi cost saving, can be installed in the pipe end. Characteristic: 1. Small in size&light in weight and easy maintenance. It can be mounted wherever needed. 2. Simple, compact structure, quick 90 degree on-off operation 3. Disc h...
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EZ Series Resilient seated NRS gate valve
Description: EZ Series Resilient seated NRS gate valve is a wedge gate valve and Non-rising stem type, and suitable for use with water and neutral liquids (sewage). Characteristic: -On-line replacement of top seal: Easy installation and maintenance. -Integral rubber-clad disc: The ductile iron frame work is thermal-clad integrally with high performance rubber. Ensuring tight seal and rust prevention. -Integrated brass nut: By means of special casting process. the brass stem nut is integrated...
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Flanged Backflow Preventer
Description: Slight resistance Non-return Backflow Preventer (Flanged Type) TWS-DFQ4TX-10/16Q-D – is a kind of water control combination device developed by our company, mainly used for water supply from urban unit to the general sewage unit strictly limit the pipeline pressure so that the water flow can only be one-way. Its function is to prevent the backflow of the pipeline medium or any condition siphon flow back, in order to avoid backflow pollution. Characteristics: 1. It is of co...
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TWS Flanged static balancing valve
Description: TWS Flanged Static balancing valve is a key hydraulic balance product used for precise flow regulating of water pipelines system in HVAC application to ensure static hydraulic balance across whole water system. The series can ensure the actual flow of each terminal equipment and pipeline in line with the design flow in the phase of system initial commisiioning by site commissiong with flow measuring computer. The series are widely used in main pipes, branch pipes and terminal eq...
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TWS Air release valve
Description: The composite high-speed air release valve are combined with two parts of high-pressure diaphragm air valve and the low pressure inlet and exhaust valve ,It has both exhaust and intake functions. The high-pressure diaphragm air release valve automatically discharges the small amount of air accumulated in the pipeline when the pipeline is under pressure. The low-pressure intake and exhaust valve can not only discharge the air in the pipe when the empty pipe is filled with water, ...
◆ Special butterfly valve for seawater desalination The medium flow part adopts new special coatings and materials according to different working conditions to meet the needs of the seawater desalination industry.
◆ The high-pressure soft-sealed centerline butterfly valve meets the needs of high-pressure water pipelines, water supply and drainage in high-rise buildings and other working conditions, and has the characteristics of high pressure resistance, low flow resistance, etc.
◆ Desulfurization flange /wafer centerline butterfly valves are widely used in flue gas desulfurization and other similar working conditions. Safe and reliable materials selected according to the working conditions to meet customer needs.
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About Us
Brief description：
Tianjin Tanggu Water-Seal Valve Co., Ltd.(TWS Valve) found in 1997,and is a professional manufacturer which intergrates design , development,production,installation,sales and service,we have 2 plants ,one in Xiaozhan Town, Jinnan , Tianjin ,other in Gegu Town, Jinnan ,Tianjin.Now we have become one of China’s leading suppliers of water management valve products and product solutions.Furthermore, we have built up our own strong brands “TWS” .
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EVENTS & News
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What are the commonly used sealing materials for valves?
There are many types of valves, but the basic function is the same, that is, to connect or cut off the medium flow. Therefore, the sealing problem of the valve is very prominent. To ensure that the valve can cut off the medium flow well without leakage, it is necessary to ensure that the v...
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What are the options for butterfly valve surface coating? What are the characteristics of each?
Corrosion is one of the important elements that cause butterfly valve damage. In butterfly valve protection, butterfly valve corrosion protection is an important issue to consider. For metal butterfly valves, surface coating treatment is the best cost-effective protection method. The role ...
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The working principle and maintenance and debugging method of pneumatic butterfly valve
The pneumatic butterfly valve is composed of a pneumatic actuator and a butterfly valve. The pneumatic butterfly valve uses a circular butterfly plate that rotates with the valve stem for opening and closing, so as to realize the activation action. The pneumatic valve is mainly used as a shut-off...
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Butterfly valve installation precautions
1. Clean the sealing surface of the butterfly valve and the dirt in the pipeline. 2. The inner port of the flange on the pipeline must be aligned and press the rubber sealing ring of the butterfly valve without using a sealing gasket. Note: If the inner port of the flange deviates from the rubber...
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How to prolong the service life of fluorine-lined butterfly valve
Fluoroplastic lined corrosion-resistant butterfly valve is to place polytetrafluoroethylene resin (or profile processed) on the inner wall of steel or iron butterfly valve pressure-bearing parts or the outer surface of butterfly valve inner parts by molding (or inlay) method. The unique propertie...
