Dixon Field Adjustable Pressure Reducing Angle Valve Manual

Instructions and Operations Manual
for
Field Adjustable
Pressure Reducing Angle Valve
Read and understand this manual prior to installing, operating or servicing this valve
Dixon Fire
325 Arbor Court • Winchester, Virginia 22602
ph: 877.712.6179 • fx: 800.283.4966
dixonvalve.com
Introduction
This manual contains installation and operation instructions for the Dixon Fire Field Adjustable Pressure Reducing Angle Valve part
number listed below. Please read and understand this manual prior to installing and operating this valve.
FAPRAV250F: angle 2½" female NPT inlet x 2½" male NH outlet
FAPRAVG250G: angle 2½" grooved inlet x 2½" grooved outlet
FAPRAVF250: angle 2½" female NPT inlet x 2½" female NPT outlet
FAPRVF250: straight 2½" female NPT inlet x 2½" female NPT outlet
FAPRVG250: straight 2½" grooved inlet x 2½" grooved outlet
Table of Contents
Settings................................................................................................................................................................................................. 2
Specifications................................................................................................................................................................................... 3 - 8
Standpipe systems................................................................................................................................................................................ 9
Valve maintenance................................................................................................................................................................................ 9
Settings
1. Determine desired outlet pressure for known inlet pressure.
2.Remove the tamper-resistant screw and slide the plastic cover
up to access the adjusting nut.
3. Use a ⅜" diameter rod in any one of the 6 holes in the
adjusting nut and rotate counterclockwise to increase the
pressure at the outlet.
4.Check valve under pressure under static and under the
anticipated flowing conditions to ascertain that the setting
produces the expected results.
Note: Tamper cover is designed to be broken if access to setting
is required by fire fighting personnel. Strike below retaining screw
for best results. Order part# 4345700139 for replacement.
2
800.789.1718
Manual Pressure Relief Valve I & O Manual
Specifications
• inlet pressures to 400 PSI, flows to 500 GPM
• height 15.6" (396 mm) angle valve; 17.3" (440 mm) straight valve
• open / closed indication under handwheel
• all castings exposed to water low zinc brass
• ¼" NPT ports in body for pressure taps
• pressure adjustment markings cast into body
• functions as automatic check valve
• regulates under static or flow conditions
STATIC
400
375
350
SETTING 1
SETTING 5
VALV INLET STATIC PRESSURE (PSI)
325
SETTING 10
SETTING 15
300
275
250
225
200
175
150
125
100
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
VALVE OUTLET PRESSURE (PSI)
DO NOT USE IN SPRINKLER SYSTEMS
WITH OUTLET PRESSURE BELOW 50 PSI
CAUTION
The valve selected must not exceed 175 psi output either residual or static as indicated on the accompanying charts,
nor can the inlet residual pressure exceed 400 PSI.
Inlet pressures as high as 400 PSI are permitted on settings 1 and 5. Inlet pressure on setting 10 should not exceed 350 PSI. Inlet
pressure on setting 15 should not exceed 250 PSI.
Pressure can be expected to increase 20 – 25 PSI for each major division of the setting and to drop an average of 4 PSI per 50 GPM
of flow.
Refer to the chart above for static setting.
Manual Pressure Relief Valve I & O Manual
800.789.1718
3
Specifications (cont.)
50 GPM
400
375
SETTING 1
SETTING 5
VALVE INLET RESIDUAL PRESSURE (PSI)
350
SETTING 10
SETTING 15
325
300
275
250
225
200
175
150
125
100
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
VALVE OUTLET PRESSURE (PSI)
DO NOT USE IN SPRINKLER SYSTEMS
WITH OUTLET PRESSURE BELOW 50 PSI
100 GPM
400
375
SETTING 1
SETTING 5
VALVE INLET RESIDUAL PRESSURE (PSI)
350
SETTING 10
SETTING 15
325
300
275
250
225
200
175
150
125
100
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
VALVE OUTLET PRESSURE (PSI)
DO NOT USE IN SPRINKLER SYSTEMS
WITH OUTLET PRESSURE BELOW 50 PSI
4
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Manual Pressure Relief Valve I & O Manual
Specifications (cont.)
150 GPM
400
375
SETTING 1
SETTING 5
VALVE INLET RESIDUAL PRESSURE (PSI)
350
SETTING 10
SETTING 15
325
300
275
250
225
200
175
150
125
100
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
VALVE OUTLET PRESSURE (PSI)
DO NOT USE IN SPRINKLER SYSTEMS
WITH OUTLET PRESSURE BELOW 50 PSI
200 GPM
400
375
SETTING 1
SETTING 5
VALVE INLET RESIDUAL PRESSURE (PSI)
350
SETTING 10
SETTING 15
325
300
275
250
225
200
175
150
125
100
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
VALVE OUTLET PRESSURE (PSI)
DO NOT USE IN SPRINKLER SYSTEMS
WITH OUTLET PRESSURE BELOW 50 PSI
Manual Pressure Relief Valve I & O Manual
800.789.1718
5
Specifications (cont.)
250 GPM
400
375
SETTING 1
SETTING 5
VALVE INLET RESIDUAL PRESSURE (PSI)
350
SETTING 10
SETTING 15
325
300
275
250
225
200
175
150
125
100
30
40
50
60
70
80
90
100
110
120
130
140
150
160
150
160
170
180
VALVE OUTLET PRESSURE (PSI)
DO NOT USE IN SPRINKLER SYSTEMS
WITH OUTLET PRESSURE BELOW 50 PSI
300 GPM
400
375
SETTING 1
SETTING 5
VALVE INLET RESIDUAL PRESSURE (PSI)
350
SETTING 10
SETTING 15
325
300
275
250
225
200
175
150
125
100
20
30
40
50
60
70
80
90
100
110
120
130
140
170
180
VALVE OUTLET PRESSURE (PSI)
DO NOT USE IN SPRINKLER SYSTEMS
WITH OUTLET PRESSURE BELOW 50 PSI
6
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Manual Pressure Relief Valve I & O Manual
Specifications (cont.)
350 GPM
400
375
SETTING 1
SETTING 5
VALVE INLET RESIDUAL PRESSURE (PSI)
350
SETTING 10
SETTING 15
325
300
275
250
225
200
175
150
125
100
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
VALVE OUTLET PRESSURE (PSI)
DO NOT USE IN SPRINKLER SYSTEMS
WITH OUTLET PRESSURE BELOW 50 PSI
400 GPM
400
SETTING 1
375
SETTING 5
SETTING 10
VALVE INLET RESIDUAL PRESSURE (PSI)
350
SETTING 15
325
300
275
250
225
200
175
150
125
100
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
VALVE OUTLET PRESSURE (PSI)
DO NOT USE IN SPRINKLER SYSTEMS
WITH OUTLET PRESSURE BELOW 50 PSI
Manual Pressure Relief Valve I & O Manual
800.789.1718
7
Specifications (cont.)
450 GPM
400
SETTING 1
375
SETTING 5
SETTING 10
VALVE INLET RESIDUAL PRESSURE (PSI)
350
SETTING 15
325
300
275
250
225
200
175
150
125
100
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
VALVE OUTLET PRESSURE (PSI)
DO NOT USE IN SPRINKLER SYSTEMS
WITH OUTLET PRESSURE BELOW 50 PSI
500 GPM
400
SETTING 1
375
SETTING 5
SETTING 10
VALVE INLET RESIDUAL PRESSURE (PSI)
350
SETTING 15
325
300
275
250
225
200
175
150
125
100
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
VALVE OUTLET PRESSURE (PSI)
DO NOT USE IN SPRINKLER SYSTEMS
WITH OUTLET PRESSURE BELOW 50 PSI
8
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Manual Pressure Relief Valve I & O Manual
Standpipe Systems
For valves intended for use in a Class II standpipe system, use a straight stream nozzle with a ½" orifice or a 1½" combination
fog/straight stream nozzle. Nozzles shall have a rated flow range compatible with the performance characteristics of the pressurereducing valve. Valves shall be installed in accordance with NFPA 14 and/or 13 and NFPA 25 and shall have a minimum outlet
pressure of 65 PSI. The valve may be set for residual pressures less than 100 psi when permitted by the authority having jurisdiction.
Upon system completion, each valve must be tested under both flow and no-flow conditions to verify outlet pressure rates satisfy
system design requirements in accordance with NFPA14
Valve Maintenance
Visual inspection of the valve body, threads, and cover should be conducted prior to installation and periodically to insure there is
no physical damage. Valves are designed so the stem packing may be replaced without removing the valve from the piping system.
The valve must be in the fully open position; remove handwheel and packing nut, replace stem packing O-ring. Visual inspection is
recommended to assure no damage to the valve body, threads or handwheel. Replacement of internal parts is not recommended.
The valve must be installed with pipe unions or rubber gasketed fittings upstream or downstream of the valve to permit easy removal
of valve for replacement. The valve should be tested and maintained in accordance with NFPA 25.
WARNING: Failure to follow these installation and operating instructions could result in serious and disabling injury or death
to the user or others or destructive damage to property. Never use or operate this valve without inspecting it for safe and
appropriate operation
Manual Pressure Relief Valve I & O Manual
800.789.1718
9
Dixon™, founded in 1916, is a premier manufacturer and
supplier of hose couplings, valves, dry-disconnects, swivels,
and other fluid transfer and control products. The company’s
global reach includes a wide range of products for numerous
industries including petroleum exploration, refining,
transportation, chemical processing, food & beverage, steel,
fire protection, construction, mining and manufacturing.
Dixon™’s strategic objective is to create solutions that make
products safer, leak-free, longer lasting, and always available.
dixonvalve.com • Customer Service: 800.789.1718
Dixon Fire
325 Arbor Court • Winchester, Virginia 22602
ph: 877.712.6179 • fx: 800.283.4966
dixonvalve.com
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