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).
Nominal diameter: 1.5" ~ 60"(DN40 ~ DN1500)
Pressure range: Class150 ~ 2500(PN16 ~ PN420)
Working temperature: -196℃ ~ +560℃
Body material: Carbon steel, Stainless steel, Alloy steel, Bronze