Commissioning - Emerson Fisher OSE Instruction Manual

Slam-shut valve
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Pu
Safety contact: see D103683X012 manual
Verify that the limits of utilization correspond
to the appropriate operating conditions.
Verify that the safety manometric box (BMS)
and spring correspond to the appropriate
operating conditions on the outlet side of
the regulator.
The equipment should not receive any type
of shock, especially the release relay.
The user should verify or carry out a
protection adapted to the environment.
Fire, seismic and lightening are not taken
into consideration for standard regulators.
if required, a special product selection and/
or specific calculations may be supplied
according to specific requirements.
If the slam-shut is classified under operating
class b the bMS diaphragm should be
checked periodically.

COMMiSSiONiNg

warNiNg
!
all interventions on the equipment should
only be performed by qualified and
trained personnel.
Preliminary verifications
Start-up positions
• Inlet and outlet valves
→ Closed
Verify absence of pressure between inlet and outlet valves
• Slam-shut valve plug
→ Closed
• Impulse isolation valve
→ Closed
E
Figure 5. Type OSE Slam-Shut Valve Installation Schematic
iS
rEgUlaTOr
• Impulse atmospheric valve
→ Open
Setpoint Verification
Using the atmospheric valve, inject a pressure equal to the
pressure foreseen for the regulator
• 1
release relay stage
st
→ Set (Stage 1)
TraVEl
STOP
TriggErED POSiTiON
Figure 6. Setpoint Verification
• Slam shut valve
→ Open (Stages 2 & 3)
→ Progressively increase the pressure to reach tripping
→ Adjust setting if necessary (D103683X012 manual)
Note the set point value on the equipment or mark it in a
commissioning document.
Positions before Commissioning
• Impulse isolation valve
→ Open
• Impulse atmospheric valve
→ Closed
• Slam shut valve plug
→ Closed
The equipment is ready for commissioning
Type OSE
4 D
D
1
3
TraVEl
2
STOP
STagE 1
STagES 2 & 3
Pd
C54
TraVEl
STOP
C59
5

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