D343H American Standard Butterfly Valve

One. Structure and characteristics

1. This butterfly valve is a new generation product carefully developed by absorbing and digesting foreign technology, combining the opinions of domestic users and the experience accumulated in the product.

2. The three-dimensional eccentric structure is adopted, and the valve sealing ring adopts an elastic metal ring, so that the butterfly plate and the sealing surface of the valve body are evenly and reliably contacted, and the air seal can be achieved without leakage.

3. Unique structure, flexible operation, labor saving, convenient and long service life.

4. Three-dimensional eccentricity with high temperature resistance, corrosion resistance and wear resistance.

Two, standard specifications

Design and manufacturing standards: GB/T 12238-2008, ANSI B16.34, API609, MSS SP-68, JIS B2032, JIS B2064

Structure length standard: GB/T 12221-2005, API609, JIS B2002

Connecting flange standards: GB/T 9113, JB79, SH3406, HG20592, ASME B16.5, ASME B16.47, API605, JIS B2212

Pressure temperature rating: GB/T 12224-2005

Three, use

Butterfly valves are not only widely used in general industries such as petroleum, gas, chemical, water treatment, etc., but also used in cooling water systems of thermal power stations.