General illustration safety-related applications, Referenced standards, Schematic – Ross Controls SENSING VALVES SERIES SV27 User Manual
Page 4: Switch states for 2 inch body
Printed in the U.S.A. – Rev. 3/09
© 2009
ROSS CONTROLS
®
. All Rights Reserved. Form NPS279
WARRANTY and CAUTIONS
Standard ROSS warranty and cautions apply, available upon request or at www.rosscontrols.com
ROSS EUROPA GmbH
Germany
Fax: 49-6103-74694
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®
K.K.
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Fax: 81-427-78-7256
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®
INDIA Pvt. Ltd.
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®
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Cat 4 Alternative Method LOTO
Cat 2 Alternative Method LOTO
L-O-X
®
3-W
ay
Control Reliab
le
Doub
le V
alv
e
3-W
ay SV27
Sensing V
alv
e
EEZ-ON
®
Redundant PO Check
PO Check
3
1
2
3
1
2
DISCLAIMER
DISCLAIMER
These circuits are illustrative only and not intended to be used literally for your application. Each machine
These circuits are illustrative only and not intended to be used literally for your application. Each machine
is unique and has individual characteristics that must be considered when designing a safety circuit. In
is unique and has individual characteristics that must be considered when designing a safety circuit. In
addition, the referenced standards are not an exhaustive list. There may be many additional local, state,
addition, the referenced standards are not an exhaustive list. There may be many additional local, state,
national, and international standards as well as machine function specifi c standards pertinent to your
national, and international standards as well as machine function specifi c standards pertinent to your
machine. This document is not a substitute for a complete risk assessment of a machine’s hazards,
machine. This document is not a substitute for a complete risk assessment of a machine’s hazards,
professional circuit design or acquiring an in depth understanding of standards/regulations relevant to
professional circuit design or acquiring an in depth understanding of standards/regulations relevant to
an application or machine.
an application or machine.
* Cylinder hazard in 2 directions
* Pinch points
* Tooling or product damage
* Single point Lockout
* Press clutch/brake
* Counterbalance
* Monitored power systems
* Partial de-energization
* Vertical loads
* Cylinder hazard
General Illustration Safety-Related Applications
ROSS Controls is the leader in safety-related pneumatic products.
Shown here are a few examples of the variety of ROSS’ safety-
related products and their applications. Please contact us if you
are interested in or confused about safety for your pneumatically
operated equipment.
ROSS Safety-Related Applications
Referenced Standards:
All standards are subject to revision. Parties are
encouraged to investigate and apply the most recent
editions of the standards indicated below.
OSHA 29 CFR 1910.147
CSA Z142-02
CSA Z460-05
ISO 13849-1
ISO 14118:2000
EN 1037
ANSI/ASSE Z244.1- 2003
ANSI/PMMI B155.1- 2006
Switch States
for 3/4 and
1
¼
bodies
Integrated Double-Pole Single-Throw Switch (DPST)
Optional Pressure Switch Kit (608A86)
Schematic
Note:
Pressure switch closes on falling pressure of 5 psig.
Switch States
for 2 inch body