Advertisement
PWT-BV BYPASS VALVE MANIFOLD
2. Connect PWT Sensor (not included) to the PWT-BV
Bypass Valve Manifold as shown in Fig. 3. Configure
complete assembly.
PWT-BV
0929
Bypass Valve
NORMAL OPERATION
COMMISSIONING:
1. Assure A & C are closed
B
2. Open B (null)
D
C
3. Open D (bleed or purge)
4. Slowly open A (bleed line)
MAINTENANCE:
5. Close B, open A fully
Bleed or Purge –
See Commissioning
6. Slowly open C (bleed line)
Equalize pressure – Open B (null)
7. Close D, open C fully
Isolate Sensors – Close A & C
Fig. 3. Connecting PWT Sensor (not included) to the
PWT-BV Bypass Valve Manifold.
3. Install the PWT Sensor (not included) per the installa-
tion instructions included with that product.
4. Commissioning
(a)Close C and D.
(b)Open B (null).
(c)Open D (bleed or purge).
(d)Slowly open A to bleed air from line.
(e)Close B, then fully open A.
(f) Slowly open C to bleed air from line.
(g)Close D, then fully open C.
VALVE POSITIONS: ALL CLOSED
D
Fig. 4. Valve positions showing all valves closed.
VALVE POSITIONS: ALL OPEN
D
Fig. 5. Valve positions showing all valves open.
Automation and Control Solutions
Honeywell International Inc.
1985 Douglas Drive North
Golden Valley, MN 55422
Honeywell Limited-Honeywell Limitée
35 Dynamic Drive
Toronto, Ontario M1V 4Z9
customer.honeywell.com
WET DIFFERENTIAL PRESSURE
A
M31195
B
A
C
M29593
B A
C
M29594
Fig. 6. Valve positions showing all normal operation.
MAINTENANCE
1. Bleed or purge: follow Commissioning
(step 4 of Installation).
2. Equalize pressure: open B.
3. Isolate sensors: close A and C.
DIMENSIONS
1.5 (38)
1.5 (38)
0.5 (13)
Fig. 7. Dimensional drawing of PWT-BV Bypass Valve
Manifold showing PWT Sensor (not included) for
By using this Honeywell literature, you agree that Honeywell will have no liability for any
damages arising out of your use or modification to, the literature. You will defend and
indemnify Honeywell, its affiliates and subsidiaries, from and against any liability, cost, or
damages, including attorneys' fees, arising out of, or resulting from, any modification to the
literature by you.
® U.S. Registered Trademark
© 2009 Honeywell International Inc.
63-2693—03
E.K. Rev. 11-09
Printed in U.S.A.
VALVE POSITIONS:
NORMAL OPERATION
B
D
A
C
M29595
6.75 (172)
WET DIFFERENTIAL PRESSURE
PWT-BV
0929
Bypass Valve
NORMAL OPERATION
COMMISSIONING:
1. Assure A & C are closed
B
2. Open B (null)
D
C
A
3. Open D (bleed or purge)
4. Slowly open A (bleed line)
MAINTENANCE:
5. Close B, open A fully
Bleed or Purge –
See Commissioning
6. Slowly open C (bleed line)
Equalize pressure – Open B (null)
7. Close D, open C fully
Isolate Sensors – Close A & C
7.75 (191)
8.7 (221)
reference only.
3.5 (89)
3.5 (89)
1.8 (46)
M31196
Advertisement
