Dual Check Valve is designed to operate with the minimum of flow restriction.
The twin spring loaded half disc operate with the pipeline flow and reseal back against the rubber disc seating providing a positive shut off against any back flow. The resilient seating prevent a slamming action.
Check Valves offer greater flexibility and low cost in most piping systems and moreover, of its light weight, it is so convenient to install and has smaller face to face dimension than conventional swing check valve.
These valves can be supplied to match the international standards of flange (DIN, ANSI, JIS & BS).
1/2" ~ 48"
(DN15 ~ DN1200)
Class 150 ~ 2500
(PN16 ~ PN1200)
-196℃ ~ +560℃
Water, Steam, Oil products, Nitric acid, Acetic acid
Carbon steel, Stainless steel, Alloy steel, Bronze, etc
1. Low volume, light weight, Short structural length;
2. Applicable for and easily installed for vertical or horizontal pipelines;
3. Integrated structure, simple and compact, in beautiful shape;
4. Quick valve disc closedown, low water hammer pressure;
5. Smooth flow passageway and small fluid resistance;
6. Narrow valve travel and small closedown impact;
7. Flexible action and good sealing performance;
8. Long service life and good reliability.
Equipped with a professional factory, Naibang Valve is a professional manufacturer and supplier of Viotn Lined Wafer Dual Check Valve in China. If you want to buy quality product of various beautiful bags, you can get it at a cheap price from us.