SMC Networks IR320-A Bedienungsanleitung

Document No. IR30-OM00016

PRODUCT NAME

Regulator

MODEL / Series / Product Number

IR320(0, 1, 2)-A

IR321(0, 1, 2)-A

IR322(0, 1, 2)-A

Contents

Safety Instructions 2 to 6

1. Application

2. Specifications 7

3. Construction and Operation Principles

4. How to order

5. Bracket, gauge and switch assembly (optional)

6. Panel mounting

7. Troubleshooting

8. Dimensions

13 to 14

-1-

Safety Instructions

These safety instructions are intended to prevent hazardous situations and/or equipment damage.

These instructions indicate the level of potential hazard with the labels of “Caution,” “Warning” or

“Danger.”They are all important notes for safety and must be followed in addition to International

Standards (ISO/IEC)

*1)

, and other safety regulations.

*1) ISO 4414: Pneumatic fluid power -- General rules relating to systems.

ISO 4413: Hydraulic fluid power -- General rules relating to systems.

IEC 60204-1: Safety of machinery -- Electrical equipment of machines .(Part 1: General requirements)

ISO 10218-1992: Manipulating industrial robots -Safety.

etc.

Caution

indicates a hazard with a low level of risk which, if not avoided, could result

in minor or moderate injury.

Warning

indicates a hazard with a medium level of risk which, if not avoided, could

result in death or serious injury.

Danger

indicates a hazard with a high level of risk which, if not avoided, will result

in death or serious injury.

Safety Instructions

Caution

1.The product is provided for use in manufacturing industries.

The product herein described is basically provided for peaceful use in manufacturing industries.

If considering using the product in other industries, consult SMC beforehand and exchange

specifications or a contract if necessary.

If anything is unclear, contact your nearest sales branch.

Limited warranty and Disclaimer/Compliance Requirements

The product used is subject to the following “Limited warranty and Disclaimer” and “Compliance

Requirements”.

Read and accept them before using the product.

Limited warranty and Disclaimer

①

①①

①Do not use in an atmosphere containing corrosive gases, chemicals, organic solvent, sea

water, water, water steam, or where there is direct contact with any of these.

②

②②

②Do not operate in environments subject to heavy vibration and/or impact.

③

③③

③The regulator should not be exposed to prolonged sunlight. If used in direct sunlight, a

protective cover should be used.

④

④④

④Do not install close to heat sources. If installed, protect the product against radiated heat from

source adequately.

⑤

⑤⑤

⑤Install suitable protective measures in locations where there is contact with water drop- lets,

oil or welding spatter, etc.

①

①①

①Do not use a precision regulator outside of the range of its specifications as this can cause

failure.

②

②②

②Be sure to confirm the port indication when installing the product.

③

③③

③When mounting the bracket or tightening the hexagon panel nut on the panel, tighten them to

the recommended tightening torque.

Insufficient tightening torque can cause loose piping. Excessive tightening torque can cause thread

damage.

Recommended tightening torque [N-m]

Set nut (for bracket) 1.8 to 2.2

Hexagon panel net (handle type only) 3 to 4

④

④④

④Adjust the pressure by increasing the pressure. After pressure adjustment, be sure to tighten

the

lock nut. When tightening the nut, tighten so that the handle does not move due to friction caused

by tightening.

The outlet pressure may become lower than set pressure if adjusted by decreasing the pressure. Turning t

he handle

clockwise increases the outlet pressure, and turning it counterclockwise reduces the pressure.

⑤

⑤⑤

⑤When pressure is applied to the inlet of a regulator, make sure that the outlet port is connected

to the circuit. Air blow occurs from the outlet and it depends on the operating conditions.

⑥

⑥⑥

⑥The set pressure may vary depending on the elapsed time and change in ambient temperature

after pressure setting. If the setting value varies, adjust with the handle.

⑦

⑦⑦

⑦If the directional control valve (solenoid valve, mechanical valve etc.) is mounted and ON-OFF

is repeated for a long time, the set pressure may vary. If the setting value varies, adjust with

the handle.

⑧

⑧⑧

⑧There may be pulsation or noise depending on the pressure conditions, piping conditions and

ambient environment. In this case, it is possible to improve the problem by changing the

pressure conditions and piping conditions.

If the problem is not improved, contact your SMC sales representative.

⑨

⑨⑨

⑨There is no connection thread on the exhaust port. If it is necessary to mount a silencer to the

exhaust port, please contact your SMC sales representative.

⑩

⑩⑩

⑩

When a pressure gauge is mounted to the regulator, please do not exceed the maximum

display pressure. It may lead to a malfunction.

⑪

⑪⑪

⑪

A safety device needs to be installed if output pressure is exceeding the set pressure,

otherwise this can cause the breakage of outlet device and equipment or malfunction.

Handling Precautions

Caution

CautionCaution

Caution

-4-

Operating Environment

Warnin

WarninWarnin

Warning

①

①①

①Connect piping/fittings using the recommended torque while holding the product tightly.

Looseness or faulty sealing will occur if tightening torque is insufficient, while thread damage will result

if the torque is excessive. Furthermore, if the side with the female threads is not held while tightening,

excessive force will be applied directly to piping brackets, etc. causing damage or other problems.

Recommended tightening torque [N-m]

Thread

1/4 3/8 1/2

IN OUT port

12 to 14 22 to 24 28 to 30

EXH port

- - 8 to 10

②

②②

②Do not apply any additional twisting, or bending moments except for the weight of the filter

regulator itself.

Provide separate support for external piping, as damage may otherwise occur.

③

③③

③Non-flexible piping materials such as steel piping will be subject to excessive moment load

and vibration from the piping side, so use a flexible tube for intermediate connections.

①

①①

①

Preparation before piping

Before piping is connected, it should be thoroughly blown out with air (flushing) or washed to remove

chips, cutting oil and other debris from inside the pipe.

②

②②

②

Wrapping of sealant tape

When screwing piping or fittings into ports, ensure that metal chips from the pipe threads or sealing

material do not enter the piping.

Furthermore, when pipe tape is used, leave 1.5 to 2 thread ridges exposed at the end of the threads.

Piping

Caution

CautionCaution

Caution

-5-

Warnin

WarninWarnin

Warning

①

①①

①When the precision regulator with pressure gauge is used, do not apply impact to the product

by dropping it etc. during transportation or installation.

This may cause misalignment of the pressure gauge pointer.

①

①①

①The operating fluid must be compressed air. Contact SMC if using the product with other fluids.

②

②②

②Do not use compressed air that contains chemicals, synthetic oils including organic solvents,

salts or corrosive gases etc., as this can cause damage or malfunction.

③

③③

③If condensate in the drain bowl is not emptied on a regular basis, the bowl will overflow and

allow the condensate to enter the outlet side. This will cause a malfunction of pneumatic

equipment downstream of regulator.

If the drain bowl is difficult to check and remove, installation of a drain bowl with an auto drain option is

recommended.

①

①①

①Condensate or dust, etc. in the supply pressure line can cause malfunctions. Please use an air

filter (SMC series AF etc.) or mist separator (SMC AM, AFM series).

Refer to “Air Preparation Equipment Model Selection Guide” (Best Pneumatics No. 5) for model

selection based on air quality.

②

②②

②When a lubricator is used at the supply side of the product, it can cause malfunctions. Do not

use a lubricator at the supply side of the product.

If lubrication is required for terminal devices, connect a lubricator on the output side of the regulator.

①

①①

①When the product is removed for maintenance, reduce the set pressure to zero and shut off the

supply pressure completely beforehand.

②

②②

②When connecting an additional pressure gauge, the set pressure should be reduced to zero

before removing the plug.

③

③③

③When using the regulator between a solenoid valve and an actuator, check the pressure gauge

periodically.

Sudden pressure fluctuations may shorten the durability of the pressure gauge. A digital pressure

gauge is recommended for such situation applications or as deemed necessary.

Air Supply

Maintenance

Handling

Caution

CautionCaution

Caution

CautionCaution

Caution

-6-

Warnin

WarninWarnin

Warning

Warnin

WarninWarnin

Warning

１． Application

This instrument aims at controlling pressure of air lines.

２． Specifications

Model IR320(0,1,2)-A IR321(0,1,2)-A IR322(0,1,2)-A

Max. supply pressure

[ MPa] 1.0

Min. supply pressure

[MPa]

(Note 1)

Set pressure + 0.1

Set pressure range

[MPa] 0.02 to 0.2 0.02 to 0.4 0.02 to 0.8

Repeatability

(Note 3)

(Note 2)

within +/- 1.0% of the full span (F.S.)

Ambient temp. and

Fluid temperature

[

Standard product: -5 to 60

With digital pressure switch: 0 to 50

(No freezing)

Port size 1/4 to 1/2

Pressure gauge port

size 1/8 [2 ports]

Weight [kg]

（Note 4)

0.48

(Note 1) When there is no flow rate on the outlet side. Maintain the minimum supply pressure

(set pressure + 0.1MPa).

(Note 2) Full span indicates the maximum set pressure of the product. (e.g.IR3000-A: 0.2MPa)

(Note 3) Other characteristics such as aging deterioration and temperature characteristics are not

included.

(Note 4) Excluding accessories.

-7-

３． Construction and Operation Principles

When the knob is rotated, the flapper is pushed through the spring, and a gap is generated

between the nozzle and flapper. The supply pressure flows to the inlet passes through the path

between the nozzle and flapper and acts on the supply / exhaust diaphragm as nozzle pressure.

The force generated by the diaphragm pushes down the valve, and the supply pressure flows to

the outlet. The discharged air pressure acts on the static pressure chamber side of the supply/

exhaust diaphragm, and counteracts against the force generated by the nozzle back pressure

chamber side. The air pressure acts on the nozzle diaphragm at the same time, and counteracts

against the compression force of the adjusting spring to adjust the set pressure. When the set

pressure increases too much, the nozzle diaphragm is pushed up, and a gap is generated

between the flapper and nozzle diaphragm. This happens after the flapper closes. The balance of

the supply/exhaust diaphragm is lost when the nozzle back pressure flows to the outlet. The

４． How to order

-9-

Note1) Option are shipped together with the product, but not assembled. B and H cannot be select at the same time.

The current bracket cannot be used for this product.

　　　　 ssembly of a bracket and set nuts.

Note2) See pressure unit table below.

Note3) For pipe thread type : NPT

Note4) For options : E , EB, EC, ED

Note5) ccording to the new Measurement Law, only the SI unit type is provided for use in Japan.

Option/Semi-standard:Select one each for a to e.

Option/Semi-standard symble:When more than one

specification is required, indicate in

alphanumeric order.

Option

Note1)

Note4)

MPa MPa

Note3)

Only

overseas

NPT

Only

overseas

NPT psi psi

Rc -

Japan,

Overseas

NPT Fixed SI unit

With unit

conversion function

(Initial value psi)

Nil

G E , EB, EC, ED

- -

G - -

Name plate and pressure gauge in imperial unit : MPa

ZName plate and pressure gauge in imperial unit : psi

ZAZA

ZA Digital pressure switch : With unit conversion function

Pipe

thread

type

Name plate

in imperial units

pressure gauge in imperial units

Sales

Note5)

Flow direction : Left to right

RFlow direction : Right to left

d Knob

Nil

NilNil

Nil Upward

VDownward

準

標

準

cFlow

direction

Nil

NilNil

Nil

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