SERIES R-B Control Choke
RB Valve Design Features
Geared Handwheel operator reduces torque and provides precision positioning o` trim
Visual position indication in 1/64th"
Anti-rotation pin to restrict rotational movement of stem
Chevron-type packing with spring load
Stainless Steel Bonnet seal ring (optional)
rotective cage
Fully Guided Stem reduces imblance and vibration Fully Guided Sleeve reduces side load and vibration
Bleed Valve to allow pressureto be released Cross section of wear resistant material to extend service life
Separate shut oft provides ANSI Class V seal
Reverse Angle on Sleeve
Stand alone flow nozzle is geometrically designed for wear and noise reduction
Precision Orifices 1
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