© 2020 Emerson. All rights reserved.Emerson.com/FinalControl
Before installation, these instructions must be read carefully and understood.
CASH VALVE A-360 AND A-361 PRESSURE REGULATORS
INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS
DESCRIPTION
Types A-360 and A-361 pressure reducing and
regulating valves automatically reduce a high
inlet pressure to a lower delivery pressure and
maintain that lower pressure within reasonably
close limits, even during high flow rates.
Type A-360 is 2-way; Type A-361 is 4-way with
gauge taps on sides of body.
SPECIFICATION DATA
Service: Air, water, oil, gases
(except steam) and other
non-corrosive liquids
Sizes: ¼" (6.35 mm),
⅜" (9.53 mm), and
½" (12.7 mm)
Connections: Threaded female inlet
and outlet, A-361 has side
gauge connections
Body: Brass - A-360
Bronze - A-361
Max.
Temperature: 180°F (82°C)
Max.
Inlet Pressure: 400 psi (27.57 bar)
Outlet Pressure
Range: 0-250 psi (0-17.23 bar)
INSTALLATION INSTRUCTIONS
Types A-360 and A-361 regulators can
be installed in any position. For ease of
maintenance and repair however, it is
suggested that the valve be installed in a
horizontal line with the spring chamber upright.
For convenient operation and maintenance,
manual shut-off valves should be installed
upstream and downstream from the valve.
Before installing the valve, the piping should be
thoroughly flushed out to remove any foreign
material. Install the valve with the inlet pipe in
proper relationship to the flow arrow stamped
on the valve body.
OPERATING INSTRUCTIONS
Adjusting the Delivery Pressure
The regulator's delivery pressure setting is
adjusted by turning the adjusting screw (1) at
the top of the spring chamber after loosening
the adjusting screw lock nut (2). To increase
the delivery pressure, turn the adjusting
screw clockwise (into the spring chamber).
To decrease the delivery pressure, turn the
adjusting screw counter-clockwise (out of the
spring chamber). Tighten the adjusting screw
lock nut after the adjustment has been made.
NOTE:
When adjusting the delivery pressure, draw
flow and shutoff downstream to check
pressure set.
VCIOM-14994-EN 20/07
2
CASH VALVE A-360 AND A-361 PRESSURE REGULATORS
INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS
MAINTENANCE INSTRUCTIONS
The following procedures are provided for
servicing the recommended spare parts for the
Types A-360 and A-361 regulators. Repair parts
can easily be installed without removing the
regulator from the line.
CAUTION
Before attempting to replace any spare parts be
sure to shut off all pressure connections to the
valve. With the valve closed, however, system
pressure could still be locked between the shut
off valve and the inlet and/or outlet sides of the
regulator. Before proceeding with any valve
service be certain to relieve the pressure from
BOTH sides of the regulator.
Servicing Diaphragm(s), Top O-Ring, and
Pressure Spring
1. Loosen the lock nut and turn the adjusting
screw counterclockwise until the pressure
spring is no longer under tension. When
reassembling, run the adjusting screw down
until the lock nut almost touches the spring
chamber. This will give you approximately
the same set as before disassembly.
2. Remove the spring chamber from the
body. When reassembling, torque to
50-60 ft-lbs (67.8-81.3 N•m).
REPAIR PARTS INFORMATION
Refer to the regulator exploded view for parts identification.
Item No. Description Material Quantity
1 Adjusting Screw (Square Head) Steel 1
1
+
Adjusting Screw (T-Handle) Set Brass 1
2 Lock Nut (Hex for Sq. Hd. Screw) Steel 1
2
+
Lock Nut (Hex for T-Handle) Steel 1
2
+
Lock Nut (Wing for Panel Mounting) Steel 1
3 Identification Tag Aluminum 1
4 Bushing (for Panel Mounting only) Brass 1
5 Spring Chamber (for Sq. Hd. Screw) Brass 1
5
+
Spring Chamber (for T-Handle) Brass 1
5
+
Spring Chamber (for Panel Mounting) Brass 1
6 Spring Button Brass 1
7 Pressure Spring (see Ranges chart) Stainless steel 1
8 Diaphragm Stop Brass 1
9 Pressure Plate Nut Steel 1
10 Lock Washer Steel 1
11 Pressure Plate Brass 1
12* Diaphragm Neoprene 1
13 Pusher Post Button (A-360, A-361) Brass 1
14 Retainer Plate Screws Brass 2
15 Retainer Plate Brass 1
16* O-Ring (Top) Buna-N
(1)
1
17 Body (A-360 2 Way) Brass 1
17
+
Body (A-361 4 Way) Brass 1
18* Pusher Post (A-360, A-361) Stainless steel 1
19* Seat Disk Buna-N
(1)
1
20* Piston Brass 1
21 Piston Spring Stainless steel 1
22* O-Ring (Bottom) Buna-N
(1)
1
23 Bottom Plug Brass 1
* Recommended Spare Parts
+
Not pictured
1 Depending on construction. Seat Material also available in Viton and Teflon. Seat Material
selection determines O-ring material.
3. Remove the spring button, pressure
spring, diaphragm stop, and diaphragm
subassembly. When reassembling,
torque diaphragm nut to approximately
75 in-lbs (8.48 N•m).
4. If the top o-ring is to be serviced, remove
the two retainer plate screws and remove
the retainer plate and top o-ring. Lubricate
top o-ring with Dow Corning Molykote 111 or
equivalent before installing.
5. Inspect all parts for wear and damage and
replace if necessary. Reassemble parts
in reverse order. DO NOT OVERTIGHTEN.
Follow the Operation Instructions to reset
the delivery pressure.
3
CASH VALVE A-360 AND A-361 PRESSURE REGULATORS
INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS
SPECIFICATIONS
Each Type A-360 or A-361 pressure regulator
is equipped with a pressure spring selected to
provide the desired outlet or reduced pressure
setting. The range of adjustment or satisfactory
"working range" of individual springs is shown
above for each valve size. Every regulator has
the "set" pressure and range of adjustment
stamped on a tag fastened to the valve. The
ranges shown below are recommended for
best performance.
Size,
in. (mm.)
Range of Adjustment, psi (bar)
¼
(6.35)
0-5
(0-0.35)
2-35
(0.14-2.41)
20-70
(1.38-4.83)
60-125
(4.14-8.62)
75-200
(5.17-13.8)
100-250
(6.89-17.2)
⅜
(9.53)
0-5
(0-0.35)
2-35
(0.14-2.41)
20-70
(1.38-4.83)
60-125
(4.14-8.62)
75-200
(5.17-13.8)
100-250
(6.89-17.2)
½
(12.7)
0-5
(0-0.35)
2-25
(0.14-1.72)
20-60
(1.38-4.14)
40-80
(2.76-5.52)
75-125
(5.17-8.62)
100-250
(6.89-17.2)
SPRING RANGES
DIMENSIONS
Description Dimensions, in. (mm) Ship. Wt.,
lbs. (kg)
Type Size, in. (mm) Style A B C
A-360
¼ (6.35) 2-Way 2½ (64) 4½ (114) 1⅛ (29) 2 (0.9)
⅜ (9.53) 2-Way 2½ (64) 4½ (114) 1⅛ (29) 2 (0.9)
½ (12.7) 2-Way 2⅞ (73) 4½ (114) 1⅝ (41) 2½ (1.1)
A-361
¼ (6.35) 4-Way 2½ (64) 4½ (114) 1⅛ (29) 2⅛ (1.0)
⅜ (9.53) 4-Way 2½ (64) 4½ (114) 1⅛ (29) 2⅛ (1.0)
½ (12.7) 4-Way 2⅞ (73) 4½ (114) 1⅝ (41) 2⅝ (1.2)
VCIOM-14994 © 2020 Emerson Electric Co. All rights reserved 07/20. Cash Valve is a mark owned by one of the companies in the Emerson Automation Solutions
business unit of Emerson Electric Co. The Emerson logo is a trademark and service mark of Emerson Electric Co. All other marks are the property of their
prospective owners.
The contents of this publication are presented for informational purposes only, and while every effort has been made to ensure their accuracy, they are not to be
construed as warranties or guarantees, express or implied, regarding the products or services described herein or their use or applicability. All sales are governed
by our terms and conditions, which are available upon request. We reserve the right to modify or improve the designs or specifications of such products at any time
without notice.
Emerson Electric Co. does not assume responsibility for the selection, use or maintenance of any product. Responsibility for proper selection, use and maintenance
of any Emerson Electric Co. product remains solely with the purchaser.
Emerson.com/FinalControl
HOW TO ORDER
To order repair parts, refer to the exploded view
of the Type A-360 to identify the part required.
When ordering, please use the part names
listed and provide the valve serial number
stated on the identification tag. Also state the
following: "Repair Parts for A-360 or A361"
and provide:
1. Valve size
2. Service (air, water, oil, non-corrosive liquids,
or gas)
3. Inlet pressure
4. Outlet or delivery pressure range and setting
5. Part description
6. Quantity of each part
7. Valve assembly or serial number stated
on the metal identification tag under the
adjusting screw lock nut.
Servicing the Seat Disk and Bottom O-Ring
1. Loosen the lock nut and turn the adjusting
screw counterclockwise until the pressure
spring is no longer under tension. When
reassembling, run the adjusting screw down
until the lock nut almost touches the spring
chamber. This will give you approximately
the same set as before disassembly.
2. Remove the bottom plug. Take care, as
the bottom plug is under slight tension
as a result of the piston spring acting
against the bottom plug. Remove the
piston subassembly, piston spring, and
bottom o-ring. Lubricate bottom o-ring with
Dow Corning Molykote 111 or equivalent
before installing. Unscrew the pusher
post from the piston to remove the seat
disk. Do not lubricate the seat disk. When
reassembling, ensure that the pusher post
is seated completely against the seat disk;
torque the bottom plug to approximately
10 ft-lbs (13.6 N•m).
3. Remove any debris from the valve body.
4. Inspect all parts for wear and damage and
replace if necessary.
5. Reassemble the valve in reverse order. DO
NOT OVERTIGHTEN. Follow the Operation
Instructions to reset the delivery pressure.
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