IMO-R27 3
1 GENERAL
1.1 Scope of the Manual
This instruction manual contains important information
regarding the installation, maintenance and
troubleshooting of Jamesbury® 3" – 6" (DN 50 – 150) Series
7150RR and 3" (DN 50) Series 7300RR and 730SRR
Standard Bore Flanged Ball Valves for railroad service.
Please read the instructions carefully and save them for
future reference.
1.2 Valve Markings
The valve has an identifications plate attached to the
pipeline flange (See Figure 1).
Identification plate markings:
1. Ball/Stem material
2. Valve catalog code
3. Seat Material
4. Body Material
5. Maximum operating pressure
6. Maximum/minimum shut-off pressure/temperature
7. Approvals/Special Service marking
8. Model
9. Assembly date
1.3 Safety Precautions
WARNING:
AS THE USE OF THE VALVE IS APPLICATION SPECIFIC, A NUMBER OF
FACTORS SHOULD BE TAKEN INTO ACCOUNT WHEN SELECTING A
VALVE FOR A GIVEN APPLICATION. THEREFORE, SOME OF THE
SITUATIONS IN WHICH THE VALVES ARE USED ARE OUTSIDE THE
SCOPE OF THIS MANUAL.
IF YOU HAVE ANY QUESTIONS CONCERNING THE USE, APPLICATION
OR COMPATIBILITY OF THE VALVE WITH THE INTENDED SERVICE,
CONTACT METSO FOR MORE INFORMATION.
Figure 1 Identification plate
WARNING:
DO NOT EXCEED THE VALVE PERFORMANCE LIMITATIONS!
EXCEEDING THE PRESSURE OR TEMPERATURE LIMITATIONS MARKED
ON THE VALVE IDENTIFICATION 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 IDENTIFICATION
PLATE AND CHECK BOTH RATINGS. THIS PRODUCT IS AVAILABLE
WITH A VARIETY OF SEAT MATERIALS. SOME OF THE SEAT
MATERIALS HAVE PRESSURE RATINGS THAT ARE LESS THAN THE
BODY RATINGS. ALL OF THE BODY AND SEAT RATINGS ARE
DEPENDENT ON VALVE TYPE AND SIZE, SEAT MATERIAL, AND
TEMPERATURE. 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 TANK CAR. 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, POSITIONED, LIMIT SWITCH OR THE PIPING. PLACE THE
LIFTING DEVICES SECURELY AROUND THE VALVE BODY. FAILURE TO
FOLLOW THESE INSTRUCTIONS MAY RESULT IN DAMAGE OR
PERSONAL INJURY FROM FALLING PARTS.
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