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AR North America Operating Instructions & Parts Manual
AR North America Operating Instructions and Parts Manual
Please read and save these instructions. Read carefully before attempting to assemble, install, operate or maintain the product described.
Protect yourself and others by observing all safety information. Failure to comply with instructions could result in personal injury and/or
property damage! Retain instructions for future reference.
Unloader
Description
This AR North America adjustable unloader valve efficiently transfers high pres-
sure water from outlet to by-pass protecting system from over pressurization.
Includes choice of two 3/8" F inlet ports, two 3/8" F by-pass ports, 3/8" F outlet
port, and 1/4" F gauge port allowing for easy adaptions to meet systems. Made
with forged brass body, stainless steel plunger, and Teflon and Buna-N O-rings.
For use with water only. Not for use with flammable fluids.
Specifications
VRT3-250
PSI
4000
GPM
8
Max Temp
190º F
Spring Color I.D.
Black
20
19
18
17
16
15
15
13
6
12
11
Form VRT3-250
By-Pass
Inlet
Outlet
8
14
9
10
9
1
26
21
22
2
3
4
5
6
7
VRT3-250
(2) 3/8" F Pipe Thread
(2) 3/8" F Pipe Thread
(1) 3/8" F Pipe Thread
1
0109712660
2
060129
3
0106720380
4
0112720070
5
0107720820
6
0110751311
7
0115712390
8
0104720230
9
000125
10
0110750910
11
0110750170
12
0122790030
13
0115712250
14
0118720120
15
030200
16
0107770070
17
150204
18
400305
19
030101
20
0128740080
21
060109
22
0157710040
23
0107720800
24
0110751321
25
0103710740
23
005-650213
24
2
060129
25
3
0106720380
4
0112720070
6
0110751311
9
000125
10
0110750910
11
0110750170
12
0122790030
21
060109
24
0110751321
VRT3-250
1MDA4
Figure 1 - VRT3-250
Body 3/8 NPT F
O-Ring
Bushing
Ball
Spring
O-Ring
Raccsede 3/8" NPT F
Stem
Backup Ring
O-Ring
O-Ring
Backup Ring
Guide Stem
Spring Pin
Nut
Spring
Washer
Handle
Self locking Nut
Cover Knob
O-Ring
Shutter
Shutter Spring
O-Ring
Plug 3/8 NPT M
Repair Kit
Repair Kit Includes the Following:
O-Ring
Bushing
Ball
O-Ring
Backup Ring
O-Ring
O-Ring
Backup Ring
O-Ring
O-Ring
NORTH
AMERICA
High Pressure Pumps and Accessories
1
1
1
1
1
2
1
1
2
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
1
1
1
1
1
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Resumen de contenidos para AR Unloader VRT3-250
- Página 1 Unloader Description This AR North America adjustable unloader valve efficiently transfers high pres- sure water from outlet to by-pass protecting system from over pressurization. Includes choice of two 3/8” F inlet ports, two 3/8” F by-pass ports, 3/8” F outlet port, and 1/4”...
- Página 2 Válvula de descarga Descripción Esta válvula de descarga regulable AR North America transfiere el agua a alta presión de manera eficiente desde la salida a la derivación, protegiendo al sistema contra la presurización excesiva. La misma incluye a elección dos orificios de entrada de 3/8”...