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Fisher SS-263 Volume Booster

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Jörgen Sundin
Solution Seller
Phone. +46 54-57 92 12

Jorgen.Sundin@askalon.se

Martin Bengtsson
Solution Seller
Phone. +46 54-57 92 50

Martin.Bengtsson@askalon.se

Anders Praem
Inside Sales Engineer
Phone. +45 2137 7759

Anders.Praem@askalon.dk

Aleksei Seleznev
Inside Sales Engineer
Phone. +358 40 530 2017

Aleksei.Seleznev@askalon.fi

Henna Ketoja
Inside Sales Engineer
Mob. +358 400 612 124

Henna.Ketoja@askalon.fi

Fisher™ 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.

CRYOGENIC & LNG Fisher

Specifications
Features

Port Diameters	Supply port: 19 mm (0.75 inch) Exhaust Port: 19 mm (0.75 inch)
Input Signal	Positioner output
Maximum Input Signal Pressure	10.3 bar (150 psig)
Input to Output Pressure Ratio	Fixed at 1 to 1
Supply Pressure Ranges	Maximum pressure must not exceed 10.3 bar (150 psig)
Operating Temperature	-40 to 71 C (-40 to 160 F)
Maximum Flow Coefficients	Supply: 9.5 Cv Exhaust 9.5 Cv C1: 35 Xt: 0.77
Connections	Input signal: 1/4 NPT Supply: 1 NPT Output: 1 or 1-1/4 NPT
Hazardous Area Classification	Complies with the requirements of ATEX Group II Category 2 Gas and Dust
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 and manufactured in accordance with Sound Engineering Practice (SEP)
Approximate Weight	Aluminum: 3.6 kg (8 lbs) Stainless Steel: 10.8 kg (24 lbs)

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 amountof 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 foruse on an actuator with a handwheel, and 3/4 NPT connection
Soft-Seated Construction: Soft seated exhaust and supply valves provide for bubble tight shutoff toreduce unnecessary air consumption and ensure fail mode upon loss of plant air.
Robust Mounting: Flanged-style actuator mounting provides ease of maintenance, simplifiedtubing, compactness, and high vibration resistance.

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Fisher SS-263 Volume Booster

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