safety valve0 pages

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i NORGREN

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XSz8...XSz 50

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3/2 way fail-safe safety valve, solenoid actuated

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For mechanical presses and other safety applications

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G MU ... G2, MU ... 2 NPT

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Inherently fail-safe without residual pressure

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Dynamic self monitoring

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Double valve control system

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For use with pneumatic clutch and brake

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systems and other 3-way safety functions

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Poppet design with feedback signal ports

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Fast exhaust capability

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Conforms to DIN EN ISO 13849-1

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(performance level e, category IV), BG,

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OSHA, CSA and other approvals

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Improves safety and reduces downtime

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Quick and easy adjustment of 'overlap'

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on mechanical presses

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No additional electrical monitoring required

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Norgren-Herion XSz safety valves are also

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available as 5/2 way valves

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Also available pneumatically operated (DN10)

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3(R)<

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Technical features

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Medium:

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Compressed air, filtered

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.ubncated or non-lubncatec

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Shell Hydrol DO 32, Esso

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-ebis K32 (as of July 1 992:

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or comparable oil with DV

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values < 8 (DIN 53521) anc

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SO viscosity class 32-46

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(DIN 51519), Filtrtion 25 - 50 mm

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Operating Pressure:

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2 to 10 bar

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ror more details please see

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table overleaf.

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Temperature range:

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-10 to +60°C

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Airsupply must be dryenough

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to avoid ice formation at

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temperatures below +2°C

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Mounting position:

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Dreferably vertically

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Additional equipment:

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Soft clutch module

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- documentation no 5.14.320

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Soft brake module

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- documentation no 5.14.350

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Safety silencer

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- documentation no

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5.U.525 and 5.U.55C

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=a i lu re indication elements

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- documentation no 5.14.420

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Nozzle for overlap adjustment

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.exclusively XSz 32 and 50.

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- documentation no 5.14.420

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Materials:

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3ody: aluminium

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Seals: polyurethane (AU), NBR

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3/11

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Our policy is one of continued research and development. We therefore reserve the right to amend,

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without notice, the specifications given in this document.

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N/en 5.U.100.01

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