Emerson CASH VALVE A-360 Manual

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 22/01

WARNING

Failure to follow these instructions or to properly

install and maintain this equipment could result in

an explosion, fire and/or chemical contamination

causing property damage and personal injury or

death.

Cash Valve regulators must be installed, operated

and maintained in accordance with federal,

state and local codes, rules and regulations

and Emerson Process Management Regulator

Technologies, Inc. (Emerson) instructions.

If the regulator vents gas or a leak develops in

the system, service to the unit may be required.

Failure to correct trouble could result in a

hazardous condition.

Installation, operation and maintenance

procedures performed by unqualified personnel

may result in improper adjustment and unsafe

operation. Either condition may result in

equipment damage or personal injury. Only a

qualified person shall install or service the types

A-360 or A-361 regulators.

CALIFORNIA PROPOSITION 65 WARNING

This product can expose you to chemicals

including lead, which is known to the State of

California to cause cancer, birth defects, or other

reproductive harm. For more information,

go to www.P65Warnings.ca.gov

INTRODUCTION

Scope of the Manual

This manual provides instructions for the

installation, adjustment, and maintenance for

the types A-360 and A-361 pressure regulators.

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

1Adjusting Screw (Square Head) Steel 1

1+Adjusting Screw (T-Handle) Set Brass 1

2Lock 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

3Identification Tag Aluminum 1

4Bushing (for Panel Mounting only) Brass 1

5Spring Chamber (for Sq. Hd. Screw) Brass 1

5+Spring Chamber (for T-Handle) Brass 1

5+Spring Chamber (for Panel Mounting) Brass 1

6Spring Button Brass 1

7Pressure Spring (see Ranges chart) Stainless steel 1

8Diaphragm Stop Brass 1

9Pressure 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.

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)

(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)

(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)

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

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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