Norgren XSZ Series - Manual

N/en 5.14.100.01
XSz 8 ... XSz 50
3/2 way fail-safe safety valve, solenoid actuated
For mechanical presses and other safety applications
G 1/4 ... G2, 1/4 ... 2 NPT
Our policy is one of continued research and development. We therefore reserve the right to amend,
without notice, the specifications given in this document. © 2014 Norgren GmbH
10/14
2002-5313h
Double valve control system, inherently
fail-safe without residual pressure
Dynamic self monitoring
With the appropriate application, performance
level „e” (cat. 4) of DIN EN ISO 13849-1 is
achieved for the safety function “Pressure
building up from ‘1’ to ‘2’ and pressure
dropping from ‘2’ to ‘3’”. DGUV, OSHA, CSA
and other approvals
For use with pneumatic clutch and brake
systems and other 3-way safety functions
Fast exhaust capability
Improves safety and reduces downtime
Quick and easy adjustment of ‘overlap’
on mechanical presses
No additional electrical monitoring required
XSz safety valves are also available as 5/2 valves
(DN8 & 10) and pneumatically operated (DN10)
Medium:
Compressed air, filtered ≤ 50 µm,
lubricated or non-lubricated
Suitable oils:
Shell Tellus S2 MA 32,
ExxonMobil Febis K 32 or
comparable oil with
DVI values < 8 (DIN ISO 1817) and
ISO viscosity class 32-46
(DIN 51519)
Operating Pressure:
2 to 10 bar
For more details please see
table overleaf.
Temperature range:
-10 to +60°C
Air supply must be dry enough
to avoid ice formation at
temperatures below +2°C
Mounting position:
Preferably vertically
Additional equipment:
Soft clutch module
- documentation no 5.14.320
Soft brake module
- documentation no 5.14.350
Safety silencer
- documentation no
5.14.525 and 5.14.550
Failure indication elements
- documentation no 5.14.420
Technical features
Materials:
Body: aluminium
Seals: PUR, NBR
2 (A)
D
2 (A ) 1 (P)
3 (R)
1 1