Sorry, this product is no longer offered for sale.
Exhaust Throttle Valve, Integrated Controller, 0.779 in. ID, NW40 ISO-KF, Flapper O-ring
Model: 153D-20-40-1
Exhaust Throttle Valve, Integrated Controller, 0.779 in. ID, NW40 ISO-KF, Flapper O-ring
Exhaust Throttle Valve, Integrated Controller, 0.779 in. ID, NW40 ISO-KF, Flapper O-ring
Model: 153D-20-40-1
Overview
Overview
The 153D-20-40-1 Smart Exhaust Throttle Valve with Integrated Controller features a 0.779 in. (20 mm) nominal inside diameter and a size NW40 ISO-KF flange. A flapper O-ring is included. The 153D "Smart" Exhaust Throttle Valve integrates all control, communication, and driver circuits via a compact "add-on" electronics module within a 253 Throttle Valve assembly, eliminating the need for a separate pressure control electronics module. The 153 is operable in two modes, flapper positioning or pressure control.
Technical Specs
-
Valve Motor Ambient Operating Temperature0 - 70°C max
-
Exposed Materials316 stainless steel and seal material
-
Flapper O-ringYes
-
External Leak Rate1 x 10-8 scc/sec He
-
Closed Leakage<10-7 (Torr l/s)
-
Flange SizeNW40
-
Flange TypeISO-KF
-
Nominal Inside Diameter0.779 in. (20 mm)
-
Valve SpeedStandard: 7.5 sec., Optional: <2 sec.
-
ResolutionStandard: 1/10,000, Fast Motor Option: 1/2800
-
DriveMechanical (non belt) drive with integral cosine generator to linearize valve transfer characteristic
-
Maximum Valve Body Operating Temperature0 - 90°C
-
Differential Pressure Across Valve1 Atmosphere (15 psig)
Resources & Downloads
Literature
- Downstream Pressure Controllers and Valves from MKS Instruments (476.3 kB, PDF)
Exhaust Throttle Valve, Integrated Controller, 0.779 in. ID, NW40 ISO-KF, Flapper O-ring
Ultra-High Velocity