PRODUCT DATA
63-2693-03
PWT-BV Bypass Valve Manifold
Fig. 1. PWT-BV
APPLICATION
The Bypass Valve Manifold is designed for easy installation
and maintenance of Honeywell PWT Series wet differential
pressure sensors. The PWT Sensor is not included with the
PWT-BV bypass valve.
SPECIFICATIONS
Operating Temperature:
-40° to 175°F
Working Pressure:
250 psi max.
CAUTION
This product is not intended for life or
safety applications.
Do not install this product in hazardous or classified
locations.
Read and understand the instructions before installing
this product.
Turn off all power supplying equipment before working
on equipment.
The installer is responsible for conformance to all
applicable codes.
INSTALLATION
1.
Install 3/16” male fittings into the PWT Sensor (not
included) as shown. Use Teflon tape or thread sealer to
ensure a leak-free seal. Align fitting tips so they extend
an equal distance from the end of the PWT Sensor
ports. Install 90° elbow to PWT Sensor (not included) as
shown in Fig. 2.
Fig. 2. Align fitting tips and install 90
°
elbow.
1. Assure A & C are closed
2. Open B (null)
3. Open D (bleed or purge)
4. Slowly open A (bleed line)
5. Close B, open A fully
6. Slowly open C (bleed line)
7. Close D, open C fully
MAINTENANCE:
Bleed or Purge – See Commissioning
Equalize pressure – Open B (null)
Isolate Sensors – Close A & C
Z000185-0A
COMMISSIONING:
PWT-BV
Bypass Valve
B
A
C
D
NORMAL OPERATION
0929
M31194
WET DIFFERENTIAL PRESSURE
M29658
90°
ELBOW
3/16 (5) FITTINGS. ALIGN
SO THAT BOTTOM TIPS
OF FITTINGS EXTEND AN
EQUAL DISTANCE FROM
END OF PORTS.