Azbil ACP Series Manuel utilisateur

CM2-ACP100-2001

Control Valves

Model ACP_ _ _/ACN_ _ _

User's Manual

NOTICE

While the information in this manual is presented in good faith and

believed to be accurate, Azbil Corporation disclaims any implied

warranty of merchantability or fitness for a particular purpose and

makes no express warranty except as may be stated in its written

agreement with and for its customer.

In no event shall Azbil Corporation be liable to anyone for any indirect,

special or consequential damages. is information and specications

in this document are subject to change without notice.

Safety

1. Nomenclature of parts

For control valve terminologies and words in this guide, please read the following

explanations before using the device.

Diaphragm

Yoke

Bonnet

Valve body

Flange

Actuator

Fig. S-1. Nomenclature of globe valve

Body

Valve body

(Vane or disk)

Link

Actuator

Fig. S-2. Nomenclature of buttery valve

2. Safety precautions

Please read this guide before using the valve to ensure proper handling.

WARNING

Denotes a potentially hazardous situation which, if not avoided, could result

in death or serious injury.

CAUTION

Failure to observe these precautions may produce dangerous conditions

that could result in operator injury or in physical damage to the device.

3. Verication of Valve specications and precautions on storage

3-1. Unpacking

Control valve is a precision equipment. Handle it with care to avoid damaging it.

When unpacking, check for the following items in the crate:

• Main valve body, actuator and accessories as ordered,

• Additional equipment as ordered. Installation Options

3-2. Verication of specications

Please check and see if that the process ow uid conditions, and valve Tag No. agree with

the purchasing specications. e nameplate of each product are found as shown below.

(Other products also have identical nameplates attached to the identical positions.)

TRIM

PLUG

BODY

RATING

SIZE

MODEL

VALVE

TAG NO.

LIFT

PACKING

AIR TO

SUPPLY

PROD.NO.

GREASE

RANGE

ACTUATOR

DATE

MADE IN JAPAN

GASKET

Fig. S-3. Position of nameplate on CV3000 Series

iii

CAUTION on storage

When storing the control valve, pay attention to the following precautions

of caution:

• A Control valve that has been packed in a cardboard box should be stored

indoors at normal temperature and humidity.

• A Control valve that has been packed in a wooden crate should be stored

indoors at normal temperature and humidity as a rule. In the event of

outdoor storage, open the crate, verify specifications and cover with

polyethylene protecting sheet.

• When storing a used valve, follow the procedures as described below:

(1) Flush out the process fluid from inside the valve body and dry,

(2) When there is a possibility of the valve body rusting, preservation

treatment should be given,

(3) To prevent water from getting in the instrument, cover pneumatic

tubing connection and electric connector with watertight cap or tape.

Also, protect connector threads,

(4) Place flange cap on the end of pipe connecting surface (flange face,

butt welding connections) to avoid possible damage.

4. Installation

4-1. Installation environments

CAUTION

• Ensure sufficient space for easy

and safe operation and

maintenance of control valve.

• Avoid installing valve in a

location where vibration or

external stress may impair

proper valve functions.

If necessary, make

appropriate provisions

against these.

• Consider providing a

support for the valve so that

the process piping is not

burdened with the excessive

weight of valve, or provide

supports on the upstream

and downstream pipe runs.

• Provide a cover or protective

fence around valve installation

when a valve is installed facing a path or if physical contact with valve is

expected.

• Do not install a valve where it may be submerged water, or snow or where

freezing may take place.

• Provide a wall for protection against heat radiation.

• Provide measures to protect valve against salt spray or corrosive

atmospheres.

• To stop operation of the Flowmeter:

- Switch the control equipment connected to the flowmeter to manual

control.

- Turn off power to the Converter.

CAUTION

• In order to guard against accident while handling the valve, always wear

safety gloves, goggles and safety shoes.

Pipe support

Maintenance space

Prior to installation work, follow the items of caution as described below:

CAUTION

• Check and confirm that there is no external damage to the valve (body,

actuator, accessories).

• heck and confirm that there is no damage on pipe connecting flanges or

butt welding connections,

• Ensure that temperature of welded part of pipe has been reduced before

proceeding,

• Make sure that the flanges on pipe have been chamfered.

• Remove dust, sand, welding spatter or any other foreign matter from pipe

and clean out pipe. Any foreign matter will damage the valve seat and

reduces shutoff characteristics.

• Ensure that upstream and downstream pipe supports are sufficiently

strong. Otherwise, the valve's weight may cause leakage from flange

connections.

WARNING

• Operation of valve over and beyond the rated pressure or connection

other than recommended of specified connection may cause damage or

leakage which may result in serious injury.

Scar

Dirt, sand

4-2. Installation work

CAUTION

• Ensure that centers of upstream and downstream pipes are aligned when

pipe installation has been completed. Any mis-alignment of pipe will

distort the valve and will cause leakage from the connections. (Gasket)

• Make sure that the face to face dimension of pipe flanges is equal to face

to face dimension of valve body plus gasket thickness.

• Use proper gaskets for pipe flanges. Otherwise, process fluid may leak.

Always use new gaskets for pipe flanges that will meet process fluid

specifications, temperature and pressure conditions. Otherwise process

fluid leakage may occur.

• When flushing pipes, keep valve in the fully open position and do not

stroke valve. Welding spatter or foreign matters may damage valve.

Weight

limit

Suspending

Tighten diagonally

WARNING

When installing a valve on a pipe, keep hands and feet away from valve

body's bottom or between flanges to avoid physical injury.

When reinstalling the valve after inspection, maintenance or modification,

flush out process fluid remaining in the pipe or replace it with safer liquid.

vii

4-3. Pneumatic piping and electric work

CAUTION

• Pneumatic tubing should be sized so as not to cause dropping of air

pressure when control valve is in operation, Pneumatic tubing should

have an allowance in bend (use specialized tool) and bands should bind

parallel tubing.

• Only qualified persons should do electric work in accordance to electrical

facility engineering standards.

• Cable connections should be made to conform to the facility's conditions.

A suitable adaptor or packing should be selected to suit the outer

dimension of the completed installation.

• When using seal tape on pneumatic tubing, do not apply the tape on the

first two threads from the tip of connector. This may block air passage and

cause malfunction of valve.

• When using liquid packing (seize lock) on pneumatic tubing, care should

be exercised so as not to leak the liquid into tubing. It may block the air

passage, resulting in valve malfunction.

• Avoid electrical work in rainy weather or time of high humidity. Any

intrusion of water into connector or terminal will cause rusting and

electric leakage.

• Covers of accessories such as the positioner are provided with seal

packing (gasket). Exercise care so as not to misplace or lose them while

electric work is in progress.

• Exercise care so as not to lose fixing screws of accessories such as the

positioner. When tightening screws, ensure that packing is in place and

tighten screws with an even torque.

• Cable threads and conduit seal should be tightened so as to ensure that

water does not get in.

Seal

tape

Two threads

Liquid run

Positioner

viii

5. Caution disassembly, reassembly

5-1. Disassembly

CAUTION

• When disassembling a spring-incorporated

positioner, follow the prescribed procedure in

removing bolts and nuts. Otherwise, the spring

may pop out, resulting in physical injury.

• When the eye-bolts of actuator are used to

lift valve from pipe, ensure that the weight

limitation as described in manual is adhered to.

Otherwise, there is the danger of dropping the

valve,

• When removing trim (inner valve) from

the body, ensure that the proper type of

specialized tool is used. Refer to the instruction

manual for proper tools. Otherwise, the trim

may be damaged.

WARNING

• Before disassembling the valve, ensure that the

pressure within piping has been reduced to

atmospheric pressure. Flow out of process fluid

may cause physical injury.

• When disassembling the valve, flush out

interior of the valve or replace fluid inside.

Residual process fluid may cause physical

injury,

• Do not disassemble pneumatic actuator with

supply air on. Compressed air may cause

physical injury.

Stop

valve

Reducing

valve

Close Open

Eye bolt

Spring

HTS

2-inch

Specialized

tool

Weight

limit

Suspending

Ce manuel convient aux modèles suivants

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