Related Manuals for UNITED 3900F Series
Summary of Contents for UNITED 3900F Series
- Page 1 AWWA C504 Series 3900F - Flanged with Handwheel or Lever Handle Series 3900MJ - Mechanical Joint with Handwheel or Lever Handle 1218...
- Page 2 MODELS 3900F & 3900M - Butterfl y Valve with Manual Gear Operator GENERAL Butterfl y valves are a signifi cant component of any water distribution system or treatment plant operation. Valve failure caused by faulty installation, improper operation, or maintenance in these systems could result in dam- age, downtime, and costly repairs.
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Page 3: Installation
INSTALLATION It is strongly recommended that instruction manuals supplied by the valve manufacturer be reviewed in detail before installing butterfl y valves. 1. Handle valves carefully when positioning, avoiding contact or impact with other equipment, vault walls or trench walls. 2. -
Page 4: Operation
OPERATION 1. Do not permit the use or operation of any valve at pressures above the rated pressure of the valve. 2. Stop the actuator before the valve is fully opened or closed against stops, and complete the operation manually. Be sure to check the actuator directional switch against the direction indicated on wrench nut, handwheel.