Hale SPV - Manual (Page 11)

S
emi-Automatic
P
riming
V
alve
9
Figure 8. Hale SPV Valve Mounting Using Universal Adapter
HALE SPV
ASSEMBLY
UNIVERSAL
MOUNTING
ADAPTER
PRIMING
STRAINER
SEAL
RING
DIAPHRAGM
COVER
DRAIN
7 /
16
-14 NUT (2)
7 /
16
-14 x 1- 3 /
4
INCH
LONG STUD (2)
NOTE: STUDS MUST BE INSTALLED IN
HOLES THAT LIE ON THE
HORIZONTAL CENTERLINE OF
THE UNIVERSAL ADAPTER.
sure the vacuum hose connection is
facing in the down direction when the
Hale SPV is installed. Additionally, the
small drain hole on the diaphragam
cover will be in the down position.
7. Apply a light coating of thread locking
compound (Loctite #290 or equal) to the
exposed stud threads. Secure the Hale
SPV valve in place on the universal
mounting adapter using
7 /
16
-14 nuts.
WARNING: Use only pipe, hose, and
fittings from the priming pump vacuum
connection to the Hale SPV vacuum
connection rated for 29 in (737 mm) Hg
vacuum.
8. Attach 3 /
4
inch (19 mm) ID vacuum hose
from the hose connection on the Hale
SPV to the priming pump connection.
Use hose with 3 /
4
inch (19 mm) inside
diameter that is rated for 29 in (737 mm)
Hg vacuum (Aeroquip 2556-12 or equal).
Make sure the hose is routed and
properly secured in place to prevent
chaffing and abraision.
9. Install a fitting on the side opposite the
Hale SPV on the universal adapter.
Connect a
3 /
4
inch (19 mm) inside
diameter hose rated for 29 in (737 mm)
Hg vacuum (Aeroquip 2556-12 or equal)
from the priming tap on the pump body
to the hose fitting on the universal
mounting adapter.
10. Test operation of the Hale SPV and
priming pump. Conduct vacuum and
hydrostatic tests in accordance with
department procedures, NFPA1901 or
NFPA 1911.
PRIMING HOSE CONNECTION
USE ¾ INCH (19 mm) INSIDE
DIAMETER HOSE