A worldwide leading valve manufacturer and supplier.
Basically, there’re two different standards for the valve: one is for the valve itself while the other is for the flange.

Different regions have their own standards which are established according to the following features:  pressure-temperature ratings, dimensions, tolerances, materials, nondestructive examinations, testing, and inspection and quality assurance, etc.

Standards of valves

GOST: This standard refers to a set of technical standards maintained by the Euro-Asian Council for Standardization, Metrology and Certification (EASC), a regional standards organization operating under the auspices of the Commonwealth of Independent States (CIS).

The valves of this standard are mainly used in CIS countries. In our company, the star products of this series are both Resilient Seated and Hard Seated Gate Valves.

GOST-30ч39р-Resilient-Gate-Valve 1

DIN: This standard refers to a series of technical specifications established by the German Registered Association. At the present, there’re more than thirty thousand DIN standards that cover every field of technology.

The DIN valves are mainly used in Germany. Our star product of this series is Resilient Seated Gate Valve.

DIN F4 Resilient Seated Gate Valve

ANSI:  It’s a series of standards made not only by standards organizations in the USA but also by government agencies, consumer groups, and also consumer groups in the United States.

Different from other standards, this standard also meets the international standard.

Our star products of this series are Non-Rising Stem and Rising Stem Resilient Seated Gate Valve.

United Water Products NRS Gate Valve AWWA C509


BS:  The British standard is established by the BSI Group under a royal charter.

Our star products of this series are Non-Rising Stem and Rising Stem Resilient Seated Gate Valve.

Drawing & Dimension of BS5163 Resilient Gate Valve

Standards of flanges

There are many different flange standards all over the world, which are established to standardize the dimensions. The principal standards are the followings:

EN/DIN: Most European Countries install flanges according to DIN/EN 1092-1/1092-2

ASME: According to the standards of the USA, these flanges are mainly made from forged materials.

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