Yoshitake CF-60 Manuale utente

■EPDT-336a■

MODEL CF-60

Constant Flow Valve

PRODUCT MANUAL

Thank you very much for choosing the Yoshitake’s product. To ensure the correct and safe use of the product,

please read this manual before use. This manual shall be kept with care for future references.

The symbols used in this manual have the following meanings.

Warning

This symbol indicates a potentially hazardous situation that, if not avoided,

could result in death or serious injury.

Caution

This symbol indicates a hazardous situation that, if not avoided, may result in

minor or moderate injury or may result in only property damage.

Table of Contents

1. Specifications·························································1~2

2. Structure, Dimensions and Weight······························ 3~4

3. Performance characteristic chart

3.1 Noise characteristic chart······································· 5

3.2 Flow rate characteristic chart·································· 5

4. Precautions for installation··········································· 6

5. Precautions for operation············································· 7

6. Maintenance

6.1 Troubleshooting··················································· 8

6.2 Precautions for maintenance and inspection·············· 8

Warranty Information

‐1‐ ■EPDT－336a■

1. Specifications

Model CF-60

Nominal size 25～50A 65～100A

Application Cold and hot water

Max. pressure 1.0 MPa

Working differential

pressure range 0.2～0.8MPa

Application temperature

5～60℃

Set flow rate 20L/min～270L/min 100L/min～1000L/min

Tolerance of set flow rate

Within ±20% of set flow rate

Connection JIS Rc screwed Flangeless (wafer type)

(See below table “Connectable

flange standard table”)

Installation posture Horizontal or vertical installation

●The product conforms to the standard of the Japanese Water Supply Act.

●NPb-treated

Connectable flange standard table

65A 80A 100A

JIS 5K FF ●●●

JIS 10K FF ●●●

ANSI 150lb ●●●

BSEN PN10/16

●●●

Caution

Please confirm that the indications on the product correspond with the

specifications of the ordered model before use.

* If they are different, do not use the product and contact us.

‐2‐ ■EPDT－336a■

Nominal size

Set flow rate and Color of cartridge

25A

Screwed type

20L/min

Green 30L/min

Yellow 38L/min

Black 50L/min

Red 70L/min

Light Blue

32A

20L/min

Green 30L/min

Yellow 38L/min

Black 50L/min

Red 70L/min

Light Blue

100L/min

Black

w/Hole

40A

40L/min

Green 50L/min

White 60L/min

Yellow 75L/min

Black 100L/min

Red 140L/min

Light Blue

180L/min

Blue

w/Hole

50A

60L/min

Green 75L/min

White 90L/min

Yellow 115L/min

Black 150L/min

Red 210L/min

Light Blue

270L/min

Blue

w/Hole

65A

Wafer type

100L/min

Green 125L/min

White 150L/min

Yellow 190L/min

Black 250L/min

Red 350L/min

Light Blue

450L/min

Blue

w/Hole

80A

140L/min

Green 210L/min

Yellow 260L/min

Black 350L/min

Red 490L/min

Light Blue

630L/min

Blue

w/Hole

700L/min

Black

w/Hole

100A

250L/min

White 300L/min

Yellow 350L/min

Orange

500L/min

Red 700L/min

Light Blue

900L/min

Blue

w/Hole

1000L/min

Black

w/Hole

There are two types of black

cartridge.

Black

(The central hollow does

not penetrate)

Black w/Hole

(A hole penetrates in the

center)

Cartridge

‐3‐ ■EPDT－336a■

2. Structure, Dimensions and Weight

・Screwed type

(mm)

Nominal

size d L A B Weight

(kg)

25A Rc 1 57 41 - 0.4

32A Rc 1 1/4

61 50 - 0.6

40A Rc 1 1/2

63 58 69 1.0

50A Rc 2 77 70 74 1.4

Fig.1 Structure, Dimensions and Weight

No.

Parts name

1 Body

2 Cartridge

3 C type retaining

rings (internal)

4 Label

5 JWWA label

No.

Parts name

1 Body A

2 Body B

3 Cartridge

4 O-ring

5 Label

6 JWWA label

‐4‐ ■EPDT－336a■

・Wafer type

Fig.2 Structure, Dimensions and Weight

No.

Parts name

1 Body

2 Cover

3 Cartridge

4 Low head screw

(mm)

ominal

size L A B Weight

(kg)

65A 13 147 115 1.0

80A 13 158 126 1.2

100A 13 178 146 1.5

‐5‐ ■EPDT－336a■

3. Performance characteristic chart

3.1 Noise characteristic chart

Fig.3.1 Noise characteristic chart

3.2 Flow rate characteristic chart

Fig.3.2

Flow rate characteristic chart

Noise

Differential pressure

Flow rate

(The chart shows the noise level at the max. flow rate of each nominal size.)

Working differential

pressure range

Set flow rate

(+20~

20%)

‐6‐ ■EPDT－336a■

4. Precautions for installation

Caution

(1) Before installing the product, remove foreign substances and scale from the piping,

and note that seal materials must not flow into the inside of the product or piping.

Commingling of foreign substances such as scale or seal material leads to

malfunction of the product.

(2) To install the product, check the direction of the product so that the fluid flowing

and the mark on the product are in the same direction.

･For screwed connection, the arrow is shown on the label.

･For wafer connection, “IN/OUT” is shown on the fin.

* Wrong direction leads to malfunction of the product.

(3) Install pipes so that excessive load, torque or

vibration is not applied to the product.

(4) When using this product, running sounds occur. Please

install it as far away as possible from places where low

noise is required.

(5) On installation, align center part of the product with that of

flange by making fin-shaped part contact with bolt as

indicated in the right figure.

*The flange, bolt and nut are not included in the bundled parts.

(6) If component having negative effect on inner parts is included in fluid and

environment, deterioration of rubber parts is accelerated and causes outside

leakage and functional disorder.

(7) Impact by rapid pressure change, such as water hammer, breaks the product or

parts.

(8) If fluid cannot flow due to closed piping situation of the product, fluid temperature

rise expands volume of fluid in the piping and damages the product.

(9) Secure enough space needed for maintenance and inspection of the product.

(10) Do not make dissimilar metal piping which causes difference of electrical potential.

If doing so, the product and parts are corroded.

(11) Consider usage condition (usage frequency or durability) when selection.

(12) Install a strainer (mesh size of 60 or 80) at the inlet side of the product.

* Commingling of foreign substances such as scale material leads to prevent the

product from functioning properly.

(13) The majority of product failures are happened due to scales such as sands and

dust in the pipeline. Please pay attention to the dust inside the pipeline.

(14) The products cannot be used with pipe end core.

Fig.4.1 Piping example

Stop valve

Stop valve Stop valve

Bypass

CF-60

Constant Flow Valve

Strainer

Stop valve

‐7‐ ■EPDT－336a■

5. Precautions for operation

Warning

(1)

Before leading fluid, make sure that there is no danger when the fluid flows to the

end of piping.

* If tightening is not secured, hot fluid may spout out and result in burns.

* Fluid outflow may cause property damage.

(2) Close the stop valves before and after the valve, and remove all foreign matter and

scales via the by-pass line before operation.

* Commingling of foreign substances such as scale material leads to prevent the

product from functioning properly.

(3) If case of a possible frozen line, take proper measures to remove water inside the

piping or equip the product with insulating materials.

(4) Do not touch the product with bare hands when the product is used for hot fluid.

* Failure to follow this notice may result in burns.

Caution

(1)

Completely discharge the fluid inside of the product and line before leaving the product not

operated for a long time.

* Failure to follow this notice may cause malfunction of the product due to rust inside of the

product and lines.

‐8‐ ■EPDT－336a■

6. Maintenance

6.1. Troubleshooting

* Please contact us for the troubles other than above.

6.2.

Precautions for maintenance and inspection

Warning

(1)

Do not disassemble the product.

* It will cause product malfunction.

(2) Ask professional or experienced company to do the inspection.

(3) Completely discharge the pressure inside of the product, line and equipment before

maintenance. In the case of high-temperature fluid, cool down the product till it can

be touched with bare hands.

* Failure to follow this notice may result in injury or burns.

Trouble Cause Remedy

No flow

Poor flow

The cartridge is clogged.

Clean the cartridge.

The cartridge is broken.

Replace the product.

The set flow rate is wrong.

Confirm the flow rate with the

indications on the product.

It is frozen. Check the piping.

The differential pressure is out of the

specified range.

Review usage conditions.

Flow rate more

than specified

The cartridge is broken.

The O ring of the cartridge is

hardened. Replace the product.

The set flow rate is wrong. Confirm the flow rate with the

indications on the product.

The

differential pressure is out of the

specified range.

Review usage conditions.

Steam leakage

Parts or body is damaged or

deformed. Replace the product.

Installation on piping is loose. Please retighten.

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