High-Temperature Control Valve, Let-Dun Series 66000

The 66000 Series High-Temperature Let-Dun Control Valve is designed for precise pressure and flow control in high-temperature, high-energy services. Using wear- and cavitation-resistant trim, this model ensures stable and safe performance in steam lines, letdown processes, and heavy industrial applications. Its engineered structure, reliable sealing, and ability to withstand harsh operating conditions make the 66000 series an ideal choice for the oil, gas, petrochemical, and power industries.

Product Information

Pressure reducing stages

Designed specifical for each application

Minimize noise

Mechanical atomizing nozzles

Spray water injection

Temperature regulation

Balance tight design resulting in reduced required opening force

Extended outlet design

Quick exchangeable seat

Size: 6 - 24 in

Class : 150 - 2500

Connection : Buttweld - Flanged

Body, inlet &outlet Material, A105 / A182 - F12, A182 - F22& A182 - F91

Seat Material : A182 - F22& A182-F91

Stem / Plug Material : AISI 616

Bushehr Petrochemical Company