For very severe operating conditions and very high Δp,  CBIPL BLB for continuous blow-down  or CBIPL PBR for discontinuous blow-down/blow-off are proper and most suitable solution.

Sizes:  1”, 1.1/4”, 1-1/2”

Ratings: ASME Class 300 and PN 40.

Connections: Flanged End

Materials : Forged Carbon Steel and alloy steel

CBIPL ball valves series RSS (hand operated) and RSSA (actuated and automated)  have been designed specifically for boiler Blow down.
The ball shape and seating system described above are specially designed by CBIPL.
Features
The seats are manufactured from a ‘unique’ material combining metal and special graphite layers that enables the valve to withstand high pressures and temperatures.
the sealing system has been specifically designed so that the seat that chokes the process fluid during opening and closing sequences is not the same that grants in-line seal tightness and its sealing surface thereby protected from erosion and ‘wire drawing’.