Iii. general warnings and cautions – Elkhart Brass Unibody Valve User Manual
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III. GENERAL WARNINGS AND CAUTIONS
• All personnel who may be expected to operate this equipment must be thoroughly trained in its safe
and proper use.
• Become thoroughly familiar with the hydraulic characteristics of this equipment.
• Always open and close valves slowly to avoid water hammer.
• After each use, and on a scheduled basis, inspect equipment per instructions in the maintenance
Section V.
• Keep fingers and hands clear of moving parts.
• Do not use lubrication on the valve ball or seats.
• Do not wrench on the valve body or the opposite adapters.
• Disconnect power before servicing an electric valve.
• Clear debris from waterway before the valve is installed.
• Foreign materials such as metal chips could jeopardize the sealing capability of the valve. Any drilled
holes required in the plumbing should be added, and the chips removed from the waterway, prior to
installation of the valve.
• Do not exceed rated operating pressure for any valve as listed in Table 1.
Table 1 – Pressure
Model
Rated Operating Pressure
C
v
Number
(psi)
Value
EB15
600
139
EB20
600
139
EB25
250
277
EB30
250
510
EB35
250
510
EB40
250
694
EB3B
250
340
EB4B
250
660
EB4J
285
400
EB5B
250
1080
EB5J
285
650
EB6B
250
1613
EB6D
250
1950
EB6J
285
1050
EB6S
275
1050
EB8B
250
3759
EB8J
285
2200
EB8S
275
2200
Butterfl
y
V
a
lv
e
s
Ball
V
a
lv
e
s
Important:
Before installing and operating this equipment, read and study this manual thoroughly. Proper
installation is essential to safe operation. In addition, the following points should be adhered to in order
to assure the safety of equipment and personnel.
NFPA 1901 Standards specify a minimum of 3 seconds is required to open or close a 3” or larger valve.