Neles Easyflow J7 DN15, Installation Maintenance And Operating Instructions

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3 IMO-240 EN - Issue 7/2020
1. GENERAL
1.1 SCOPE OF THE MANUAL
This instruction manual contains important information regarding
the installation, operation and maintenance of Easyflow by Neles™
J7 Series reduced bore flanged seat supported ball valves. Please
read these instructions carefully and save them for future reference.
WARNING:
THE USE OF THE VALVE IS APPLICATION SPECIFIC.
BE SURE THAT THE VALVE IS SUITABLE FOR ITS
INTENDED SERVICE. IF YOU HAVE ANY QUESTIONS
CONCERNING THE USE, APPLICATION OR
COMPATIBILITY OF THE VALVE WITH THE INTENDED
SERVICE, CONTACT NELES FOR MORE INFORMATION.
1.2 VALVE MARKINGS
The valve has a name plate attached to the valve body. The name
plate markings identify the size, materials of construction, pressure
rating, month and year of construction, and a unique manufacturing
order number.
1.3 SAFETY PRECAUTIONS
WARNING:
DO NOT EXCEED THE VALVE PERFORMANCE
LIMITATIONS!
EXCEEDING THE PRESSURE OR TEMPERATURE
LIMITATIONS MARKED ON THE VALVE NAME PLATE
MAY CAUSE DAMAGE AND LEAD TO UNCONTROLLED
PRESSURE RELEASE. DAMAGE OR PERSONAL INJURY
MAY RESULT.
WARNING:
SEAT AND BODY RATINGS!
THE PRACTICAL AND SAFE USE OF THIS PRODUCT IS
DETERMINED BY BOTH THE SEAT AND BODY RATINGS.
READ THE NAME PLATE AND CHECK BOTH RATINGS.
SOME SEAT MATERIALS HAVE PRESSURE RATINGS THAT
ARE LESS THAN THE BODY RATING. ALL OF THE BODY
AND SEAT RATINGS ARE DEPENDENT ON VALVE TYPE
AND SEAT MATERIAL. DO NOT EXCEED THESE RATINGS!
WARNING:
BEWARE OF BALL MOVEMENT!
KEEP HANDS, OTHER PARTS OF THE BODY, TOOLS
AND OTHER OBJECTS OUT OF THE OPEN FLOW
PORT. LEAVE NO FOREIGN OBJECTS INSIDE THE
PIPELINE. WHEN THE VALVE IS ACTUATED, THE BALL
FUNCTIONS AS A CUTTING DEVICE. DISCONNECT ANY
PNEUMATIC SUPPLY LINES, ANY ELECTRICAL POWER
SOURCES AND MAKE SURE SPRINGS IN SPRING-
RETURN ACTUATORS ARE IN THE FULL EXTENDED/
RELAXED STATE BEFORE PERFORMING ANY VALVE
MAINTENANCE. FAILURE TO DO THIS MAY RESULT IN
DAMAGE OR PERSONAL INJURY!
WARNING:
WHEN HANDLING THE VALVE OR VALVE/ACTUATOR
ASSEMBLY, TAKE ITS WEIGHT INTO ACCOUNT!
NEVER LIFT THE VALVE OR VALVE/ACTUATOR
ASSEMBLY BY THE ACTUATOR, POSITIONER, LIMIT
SWITCH OR THEIR PIPING / BRACKETS. PLACE LIFTING
DEVICES SECURELY AROUND THE VALVE BODY.
FAILURE TO FOLLOW THESE INSTRUCTIONS MAY
RESULT IN DAMAGE OR PERSONAL INJURY FROM
FALLING PARTS (SEE FIGURE 1 ).
Figure 1. Lifting of the valve assembly
2. TRANSPORTATION AND
STORAGE
Check the valve and the accompanying devices for any damage
that may have occurred during transport.
Store the valve carefully. Store indoors in a cool, dry place.
Do not remove the flow port protectors until installing the valve.
Move the valve to its intended location just before installation.
If the valve(s) are to be stored for a long duration, follow the
recommendations of IMO-S1.
3. INSTALLATION
3.1 GENERAL
Remove the flow port protectors and check that the valve is clean
inside. Clean valve if necessary.
Flush the pipeline carefully before installing the valve. Foreign
objects, such as sand or pieces of welding electrodes, will damage
the ball and seats.