Fire Fittings
DPL714
877.963.4966 •
dixonvalve.com
524
P
Factory Set Pressure Reducing (regulating) Valves
18-457 / 18-458
E
B
A
C
D
Dimensions
1
Customer Thread
(
must specify)
refer to legend on page 566
Inlet
Female NPT
Outlet
Male NST (NH)
Cast Brass
Part #
Price/E Wt.
Lbs.
1½"
1½"
NAPRAV150F-15
$629.20
7
NAPRAV150F-20
629.20
7
NAPRAV150F-25
629.20
7
NAPRAV150F-30
629.20
7
NAPRAV150F-35
629.20
7
NAPRAV150___
1
POR
7
2½"
2½"
NAPRAV250F-55
800.40
19
NAPRAV250F-60
800.40
19
NAPRAV250F-65
800.40
19
NAPRAV250F-70
800.40
19
NAPRAV250F-75
800.40
19
NAPRAV250F-80
800.40
19
NAPRAV250F-90
800.40
19
NAPRAV250___
1
POR
19
Inlet
Female NPT
Outlet
Female NPT
Cast Brass
Part #
Price/E Wt.
Lbs.
1½"
1½"
NAPRAVF150-15
$629.20
7
NAPRAVF150-20
629.20
7
NAPRAVF150-30
629.20
7
NAPRAVF150-25
629.20
7
NAPRAVF150-50
629.20
7
2½"
2½"
NAPRAVF250-75
800.40
19
NAPRAVF250-65
800.40
19
NAPRAVF250-60
800.40
19
NAPRAVF250-55
800.40
19
NAPRAVF250-70
800.40
19
NAPRAVF250-80
800.40
19
NAPRAVF250-85
800.40
19
Size
A
B
C
D
E
closed
E
open
1½"
2½"
2-7/32"
3-7/32"
4-5/32"
6-3/32"
3-7/8"
5-3/4"
3-3/4"
5-3/4"
9-25/64"
11-3/8"
8-53/64"
10-13/16"
Features:
•
true combination shut-off and pressure reducing valves
•
1½"
reduces inlet pressure of 300 PSI (2069 kPa) or less to working pressures of
10
through
175
PSI
(69-1207
kPa); 2½"
reduces inlet pressures of 400 PSI (2758 kPa) or less to working pressures of
20
through
175
PSI
(138-1207
kPa) under
discharge or static conditions
•
female x female valves have an open / closed indicator bonnet for confirmation of valve status
•
valves are tamper resistant and automatic
•
available with a tamper proof switch
•
complete switch, with bracket and housing, available for field mounting, consult Dixon for price and availability
•
all debris must be flushed from the system prior to being placed into service
Specifications:
•
pressure reducing (regulating) valves are listed by:
1.
Underwriters Laboratories for Automatic Sprinkler Systems as floor or zone control valves
2.
Standpipe Systems, Class I, II and III
3.
Automatic Check Valve for Dual Riser Systems
4.
Approved by New York City Board of Standards and Appeals, approval # MEA 54-07-E
5.
Approved by City of Los Angeles and the City of San Francisco (ULC 2½")