Flowserve Valtek VL-ES Actuators - Manual (Page 5)


Valtek VL-ES Actuators FCD VLENIM0114-00 – 09/06
flowserve.com
1.10 Product Variations
These instructions cannot claim to cover all the details of every possible product variation, nor in
particular can they provide information for every possible example of installation, operation and
maintenance. This means that the instructions normally include only the directions to be followed
by qualified personnel using the product for its defined purpose. If there are any uncertainties in this
respect, particularly in the event of missing product related information, clarification must be obtained
via the appropriate Flowserve sales office.
2 Unpacking
While unpacking the actuator, check the packing list against the materials received. Lists describing the
actuator and accessories are included in each shipping container.
2.1 Position the lifting straps and hoist to avoid damage to the tubing and mounted accessories when
lifting the actuator from the shipping container.
WARNING: When lifting an actuator with lifting straps through the yoke legs, be aware that the
center of gravity may be above the lifting point. Therefore, support must be given to prevent the
actuator from rotating, causing serious injury to personnel or damage to nearby equipment.
2.2 Contact your shipper immediately in the event of shipping damage.
2.3 Contact your Flowserve representative with any other problems.
3 Valve Installation
Prior to installation, make sure adequate overhead clearance is provided for the actuator to allow for
proper removal from the valve body and for proper maintenance. Refer to Table I.
Table I: Dissassembly Clearance
Actuator Size Spring
Disassembly Clearance
in. mm
100 Standard 9 229
150 Standard 9 229
150 Heavy Duty 9 229
200 Standard 9 229
200 Heavy Duty 9 229
300 Standard 9 229
300 Heavy Duty 9 229
400 Standard 9 229
400 Heavy Duty 9 229
3.1 Make sure the positioner mounting bolts, linkage and stem clamp are fastened securely.
3.2 Ensure all accessories, brackets and associated bolting are fastened securely.
3.3 Check rubber bellows for wear.
3.4 Spray soap solution around the base and top of the cylinder, lower actuator stem bushing and the
piston stem bushings to check for air leaks through the O-rings.
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