Rosemount 3095FB - Integral Manifold Operation

Reference Manual
00809-0100-4738, Rev DA
May 2006
Rosemount 3095FB
2-21
Integral Manifold
Operation
In normal operation the two block valves between the process and instrument ports will be open and the equalizing
valve(s) will be closed.
To check zero the 3095FB, close the block valve to the low pressure (downstream side) of the transmitter first.
Next, open the center (equalize) valve(s) to equalize the pressure on both sides of the transmitter.
Drain/
Vent
Valve
Drain/
Vent
Valve
Equalize
(closed)
Process
Isolate
(open)
Isolate
(open)
THREE-VALVE
H
L
Equalize
(closed)
Process
Test/ Vent
Port
FIVE-VALVE
Equalize
(closed)
Equalize
(closed)
HH
L
L
Process
Process
Test/ Vent (Closed)
FIVE-VALVE NAT. GAS
Test/ Vent
Port
Isolate
(open)
Isolate
(open)
Test
(Plugged)
Isolate
(open)
(closed) (closed)
Isolate
(open)
(Plugged)
Test
Drain/
Vent
Valve
Drain/
Vent
Valve
Equalize
(closed)
Process
Isolate
(closed)
Isolate
(open)
THREE-VALVE
H
L
Equalize
(closed)
Process
Test/ Vent
Port
FIVE-VALVE
Equalize
(closed)
Equalize
(closed)
HH
L
L
Process
Process
Test/ Vent (Closed)
FIVE-VALVE NAT. GAS
Test/ Vent
Port
Isolate
(open)
Isolate
(closed)
Test
(Plugged)
(closed)
(closed)
Isolate
(open)
(Plugged)
Test
Isolate
(closed)
Drain/
Vent
Valve
Drain/
Vent
Valve
Equalize
(open)
Process
Isolate
(closed)
Isolate
(open)
THREE-VALVE
H
L
Equalize
(open)
Process
Test/ Vent
Port
FIVE-VALVE
Equalize
(open)
Equalize
(open)
HH
L
L
Process
Process
Test/ Vent (Closed)
FIVE-VALVE NAT. GAS
Test/ Vent
Port
Isolate
(open)
Isolate
(closed)
Test
(Plugged)
(closed)
(closed)
Isolate
(open)
Isolate
(closed)
(Plugged)
Test