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SS-263 Volume Booster
Brand: Fisher
The SS-263 volume booster is used exclusively in Fisher Optimized Digital Valve (ODV) packages.
It amplifies the output signal from the FIELDVUE™ digital valve controller to increase the stroking speed of pneumatic actuators.
It can deliver high-volume output for fast stroking speeds when responding to large input signal changes or smooth, stable, low-volume output when responding to small input signal changes.
This allows stable, accurate throttling control which is often necessary during the startup or commissioning of process control equipment.
Features- Fast Response: The SS-263 delivers high-volume output for fast stroking speeds when responding to large input signal changes and low-volume output when responding to small input changes.
- High capacity: Flow capacities of roughly three times higher than the 2625 booster result in the need for fewer fittings, tubing, and units.
- Noise Attenuation: Exhaust is passed through specially-designed passages to reduce the amount of ambient noise that is generated.
- Adjustable Response: The integral bypass restriction allows the booster to be easily and readily tuned to operate under small or large input signal changes.
- Auxiliary Supply Connections: Supply air is readily available through two 1/4 NPT connections that are built into both sides of the unit for use with a Fisher 377 trip valve or other accessory.
- 3 in 1 Connection: This special connection can provide any of the following connections, if needed: 1/4 NPT diagnostic connection for easy testing, 1/4 NPT actuator bypass assembly connection for use on an actuator with a handwheel, and 3/4 NPT connection, with the removal of a bushing, for use with a high capacity dump valve.
- Soft-Seated Construction: Soft seated exhaust and supply valves provide for bubble tight shutoff to reduce unnecessary air consumption and ensure fail mode upon loss of plant air.
- Robust Mounting: Flanged-style actuator mounting provides ease of maintenance, simplified tubing, compactness, and high vibration resistance.
Specifications
Brand
Approximate Weight
- Aluminum: 3.6 kg (8 lbs)
Connections
- Input Signal: 1/4 NPT
Declaration of SEP
- Fisher Controls International LLC Declares This Product to be in Compliance with Article 3 Paragraph 3 of the Pressure Equipment Directive (PED) 97/23/EC. It Was Designed & Manufactured in Accordance with Sound Engineering Practice (SEP) & Cannot B
Hazardous Area Classification
- Complies with the Requirements of ATEX Group II Category 2 Gas & Dust
Input Signal
- Positioner Output
Input to Output Pressure Ratio
- Fixed at 1 to 1
Maximum Flow Coefficients
- Supply: 9.5 Cv
Maximum Input Signal Pressure
- 10.3 bar (150 psig)
Operating Temperature
- -40° to 71° C (-40° to 160° F)
Other Configurations
- Contact Your Local Emerson Business Partner or Sales Office to Learn About Additional Specifications or Options for This Product.
Port Diameters
- Supply Port: 19 mm (0.75”)
Supply Pressure Ranges
- Maximum