Flowserve LV1 Lockout and Vent Valve - Manual (Page 2)

© 2002, Flowserve Corporation, Printed in USA
Automax Valve Automation Systems
Installation, Operation and Maintenance Instructions
Flowserve Corporation 765 South 100 East 1978 Foreman Dr.
Flow Control Division Provo, Utah 84606 Cookeville, TN 38501
www.flowserve.com Phone: 801 373 3028 Phone: 931 432 4021
Operation (cont.)
Locking spool shaft in block and bleed position prevents
air pressure from operating the actuator. The intent of
this application is to satisfy OSHA requirements for
control of hazardous energy. With air supply to actuator
blocked, the actuator cannot be operated. The valve
mounted to the actuator is effectively “locked out” from
automatic operation.
Temperature: -20 F to 180 o
Pressure: 20 psig to 120 psig
Media: Dry or lubricated non-corrosive gas
compatible with nitrile/viton seals.
Estimated c
v
: 1.75
Maintenance
The LV1 module is factory lubricated for long life.
Should any problems arise with the LV1, consult factory.
If the valve is to be stored for extended periods of
time, periodically operate the spool to keep seals from
taking a set.
NAMUR Accessory Bolt Chart
Bill of Material
Item Material
Body Aluminum, Anodized
Spool Aluminum, Anodized
Endcap Aluminum, Anodized
Seals Nitrile, viton
Knob Plastic
Other NAMUR accessories:
• EC1
- Sandwich mount flow control-one
direction.
• FCDA - Sandwich mount flow control-dual
direction for DA actuators.
• FCSR - Sandwich mount flow control-dual
direction for SR actuators.
• APS1 - Air purge system for spring return
actuators sandwich mount with A25N
solenoid valve.
• APS2 - Air purge system for spring return
actuators Namur mount for remote/line
mount solenoid valves.
• NPT1 - 1/4” NPT adapter plate.
• A25N - NAMUR mount solenoid valve.
Note: see appropriate IOM’s for additional
information on above NAMUR accessories.
How to Specify
The lockable block and bleed valve shall be an
Automax LV1 module, capable of being sandwich
NAMUR mounted with other NAMUR mount
accessories. The body shall be anodized aluminum.
Spool shall have extension shaft with knob and hole
capable of accepting a standard lock. In normal
position, valve shall allow free air flow. In locked
position, valve shall block external pressure, and vent
actuator pressure with internal air purging of the
cylinder bore during manual gear operation.
How to Order
Order part number LV1 with appropriate NAMUR mount
bolt kit from chart at right.
Example: To order LV1 to be sandwich NAMUR mounted
with A25N solenoid valve, order
LV1 and NBK55.
LV1 Lockout and Vent Valve
LV1 FC# APS1 APS2 NPT1 A25N Bolt Kit Bolt Kit Bolt Kit
√ √ NBK40 NBK25 NBK40
√ √ √ NBK50 NBK65
√ √
NBK60 NBK50 NBK60
√ √ NBK55 NBK45 NBK55
√ √ √ NBK70 NBK80
√ √ √ NBK65 NBK55 NBK65
√ √ √ √ NBK80 NBK90
√ √ √ NBK75 NBK85
FC1 / FCDA FCSR
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