MKS Instruments THROTTLE VALVE, Downstream Valves & Pressure Controllers, Downstream Valves & Pressure Controllers,  PN  653B-1-40-1

These MKS Instruments THROTTLE VALVE  have part number 653B-1-40-1, are new, and come with full MKS Instruments warranty. The 653B Exhaust Throttle Valve’s high speed motor and gear/driver assembly provides fast response to a given set point to quickly achieve desired pressure and increase system throughput. High Accuracy is attained by micro stepping the flapper to give more precise control, and no drift, of pressure at the desired set point. The 653 has sufficient torque to operate sealing valves up to 4 inches and non-sealing valves to 12 inches to prevent clogging from contamination build-up. The valve body can be heated u to 150°C (using optional sealing materials) for operation in high temperature applications and processes. The 653 has a flapper position indicator, to identify valve angle during system troubleshooting, available in a variety of sizes and flange styles and is compatible with MKS 651 and 1652 controllers.

More information about these MKS Instruments THROTTLE VALVE  can be found by downloading the pdf catalog and documents below. Simply open the pdf catalog below, run the pdf search (ctrl F) and search for the 653B-1-40-1.