Honeywell PWT-BV Product Data

PWT-BV Bypass Valve Manifold
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
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.
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.
M31194
90°
ELBOW
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.
WET DIFFERENTIAL PRESSURE
Fig. 2. Align fitting tips and install 90° elbow.
PRODUCT DATA
3/16 (5) FITTINGS. ALIGN
SO THAT BOTTOM TIPS
OF FITTINGS EXTEND AN
EQUAL DISTANCE FROM
END OF PORTS.
M29658
63-2693-03