Products News
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Protection Grade IP
1. What does an IP protection level mean? IP (Ingress Protection) protection level is the dustproof and waterproof capability classification of electrical equipment defined by the international standard IEC 60529. It consists of “IP” followed by two digits: the first digit represents ...Read more -
Soft seal and hard seal of gate valve
1. What are the soft seal and hard seal of gate valve? Soft-sealed gate valves use non-metallic elastic materials such as rubber and PTFE as seals, which are soft and hard in conjunction with the metal valve seat. They rely on the elastic deformation of the sealing material to fill the gap and ac...Read more -
What is the difference between imported valves and domestic valves?
The difference between domestic valves and imported valves is mainly reflected in the following aspects: 1. Materials and processes: Imported valves: usually selected raw materials, such as stainless steel (such as 316L), special alloys or engineering plastics. The casting process (such as pr...Read more -
TWS’s eccentric butterfly valve successfully joined the CE certification to accelerate its expansion into the European market
Recently, Tianjin Tanggu Water-Seal Valve Co., Ltd. announced that the company’s core product eccentric butterfly valve has successfully been added to the EU CE certificate. The continuation of this qualification not only marks that the product continues to comply with EU standards in terms of sa...Read more -
How to Select Valves for Pipeline Design? Experts: Focus on Operating Conditions and Media, TWS Provide Diverse Solutions
In the pipeline design of industrial and civil buildings, the selection of valves is directly related to the efficiency, safety and economy of the entire fluid delivery system. Faced with the dazzling variety of valves on the market, how to choose them scientifically has become the focus of desig...Read more -
Maintenance Method of Industrial Valve
Industrial valves are an important accessory for controlling the flow of media on industrial pipelines. They are widely used in petroleum, chemical industry, metallurgy, electric power, paper-making, pharmaceuticals, food and other industries. In order to ensure the norm...Read more -
Innovation leads the future: TWS explains in detail the technical advantages of U-Section Flanged Wafer Butterfly Valve
I. Product introduction The U-type soft seal butterfly valve is a high-performance regulating and shutoff device. Its core sealing pair adopts a unique “U-type” design. The valve seat is usually precision molded from high-quality rubber (such as EPDM, NBR, PTFE, etc.) and has a U-type...Read more -
Difference Between Forged Steel Valve & Cast Steel Valve
I. Manufacturing Process Forged Steel Check Valve Manufactures China: Manufactured through the forging process, the steel billet is heated and pressure (such as hammering, extrusion) is applied to form it, and then mechanical processing is performed. The forging process makes the metal grains ref...Read more -
Key Points of Pipeline Valve Installation Specifications
I. Pre-installation Preparation 1. Check the valve specification model, pressure level, and flow direction identification to ensure that it meets the design requirements. 2. Check the cleanliness of the valve body cavity and remove packaging protective materials and foreign matter....Read more -
Detailed explanation of valve sealing principles and classifications
In industrial piping systems, valves are crucial devices for controlling fluid flow. Based on different working principles and application scenarios, valves can be classified into various types, including butterfly valves, gate valves, and check valves. This article will discuss in detail the sea...Read more -
TWS wishes you has a Happy New Year! May we continue to explore the applications and future development of key valves together — including Butterfly, Gate valve, and Check Valves
As the New Year approaches, TWS wishes all our customers and partners a Happy New Year, and hopes that everyone will have a prosperous year ahead and a happy family life. We would also like to take this opportunity to introduce some important valve types—butterfly valves, gate valves, and check v...Read more -
With our expertise in protection, we wish our global partners peace and joy this holiday season. Merry Christmas from TWS
On the occasion of the joyful and peaceful Christmas, TWS’s a leading domestic valve manufacturing company, uses its professional approach to ensure the safety and reliability of fluid control, and extends its sincere holiday blessings to global customers, partners and users. The company stated t...Read more
