Products News
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What are the WRAS certification standards?
1. What exactly is WRAS certification? What does it have to do with drinking water safety? WRAS is the abbreviation of “Water Regulations Advisory Scheme”. It is managed by the British Water Center and is the authoritative certification system in the field of drinking water safety in ...Read more -
Valve Selection For Water Treatment Systems
Water Treatment Valves are essential flow-control components used in water supply plants, wastewater treatment facilities, pumping stations, filtration systems, desalination plants, and water-reuse projects. These valves regulate water flow, isolate equipment, prevent reverse flow, control pressu...Read more -
Breaking through the limits of anti-corrosion: How does IM3 spray technology redefine valve life?
1. What is IM3 corrosive environment? IM3 is one of the submerged or buried corrosive categories defined in the ISO 12944-2 standard, specifically referring to wet soil environments. This type of environment is common in buried storage tanks, steel piles, underground pipelines and other steel str...Read more -
Butterfly Valve vs Gate Valve Selection
In the realm of fluid control, the selection between butterfly and gate valves is a critical decision that impacts system performance, cost-effectiveness, and long-term reliability. While both valve types serve the fundamental purpose of regulating flow, their design principles, operating charact...Read more -
Rising Stem Gate Valve & Non-Rising Stem Gate Valve
1. What is the rising stem gate valve? The stem nut of the rising stem gate valve is fixed on the valve cover or bracket. When opening and closing, the valve stem rotates and lifts, and the threaded part is always exposed to the outside. As the gate rises and falls, the valve opening can be visua...Read more -
Introduction To Internal Thread & External Thread Valves
1. What is the internal thread connection of the valve? Internal thread connection means that the end of the valve body is processed into a tapered tube or straight tube female thread (internal thread), and the pipe connected to it is processed into a tapered tube or straight tube male thread (ex...Read more -
Introduction to the structure length of butterfly valve EN558-1
EN 558-1 is a European standard that specifically specifies the face-to-face (FTF) and center-to-face (CTF) dimensions of metal valves in flanged piping systems, and is mainly applicable to valves designated by PN (nominal pressure). In the field of butterfly valves, the core role of EN 558-1 is ...Read more -
FM in valves
I. What is FM certification? Why does the valve need it? FM certification is issued by FM Approvals (affiliated with FM Global insurance company) and is a globally recognized authoritative certification in the field of property loss prevention. Unlike UL, which focuses on electrical safety, FM ce...Read more -
Full analysis of DIN butterfly valve: a practical guide from core standards to selection and installation
DIN butterfly valve refers to a butterfly valve that complies with the German Industrial Standard (Deutsches Institut für Normung, DIN). This type of valve follows specific DIN specifications in terms of structure, size, material and performance, ensuring the interchangeability and reliability of...Read more -
Quickly distinguish pipe Φ, DN, and inches
In the design and procurement of pipes, pipe fittings and valves, Φ, DN and inches (“) are three easily confused specification units. Their core difference is that: Φ represents the absolutely real physical outer diameter, DN is the specification code in the metric system, and inches is the...Read more -
UL in Valves
I. What is UL certification? Why does the valve need it? UL (Underwriters Laboratories) is a world-renowned independent safety certification organization. In the North American market, UL certification is not mandatory by the government, but it is an “access card” for fire protection,...Read more -
Double Flange Restrained Expansion Joint VS Double Flange Force Transfer Joint
In pipeline connections, double-flange limit expansion joints (VSSJA-2/B2F type) and double-flange power transmission joints (VSSJAF/C2F type) are two common products with different functions. Although both are used to connect pipes with flanges at both ends, they are obviously different in appea...Read more
