series
Cautions when installig
Installation sample

Out of tank installation
Not applicableLiquid level

Upper liquid level
Right liquid level
when suspension

Lowerliquid level

Vertical Sealless Pump DRYFREE S(1) If the liquid level is higher than the motor ﬂange of the(5) Transferring high temperature liquid makes saturated
pump, liquid leaks from the top of the pump, because
vapor pressure increase and the suction ability isof the sealless structure.
decreased.
Install by reference to the above picture and manual.
It is recommended to shorten piping and less bending as(2) If there is air in the casing or suction pipe, priming failure
possible to prevent cavitation.
may occur. Do not make the space where air stays.
(6) Do not make dust or foreign objects enter in the pump
It causes the air lock (Dry running).
through the suction piping.
(3) Tightening piping
When a strainer is set at the suction inlet, clean it regulary
Use M16 bolts to connect the ﬂange of suction andto minimize loss resistance. If it is clogged, it may cause
discharge side of the pump and tighten them evenlymuch damage to the pump performance and fuction.
and with an appropriate torque.
(7) Consider the bolt material (SUS304) when using the pump(4) Suction pipe should be short and less bending. Installin a tank.
pipe supports not to apply a load to the pump.
When the pump is used for high temperature liquid (40 degrees and more), install bends and expansion joints notto apply a load to the pump for heat expansion.
* Especially, metal pipes are used for strong sulfric acid or caustic soda. Observe the above prohibitions.
〈Osaka oﬃce〉
3F., Kotani park Bldg., 1-19-25 Edobori, Nishi-ku,

URL http://www.wcc.co.jp/en
E-mail overseaschemical @wcc.co.jp

Osaka-shi, Osaka, 550-0002 Japan+81-6-6467-8565+81-6-6467-8566(English only)〈Fukuoka oﬃce〉〈Head oﬃce〉

5F., 3rd Sunlife Bldg., 2-5-19 Hakataeki-higashi,

3F., ANTEX24, 1-1-14 Taito, Taito-ku, Tokyo,
110-0016 Japan+81-3-5818-5130+81-3-5818-5131

Hakata-ku, Fukuoka-shi, Fukuoka, 812-0013 Japan+81-92-710-6001+81-92-710-6125

Overseas dept. +81-3-5818-5134〈Tsukuba factory〉〈Nagoya oﬃce〉
9F., Daiei Bldg., 1-11-20 Nishiki, Naka-ku,
Nagoya-shi, Aichi, 460-0003 Japan+81-52-253-8426+81-52-253-8436

42955 台中市神岡區中山路915號
No.915, Zhongshan Rd., Shengang Dist.,
Taichung City 42955, Taiwan（R.O.C.）886-4-2562-8358
886-4-2562-8351
URL http://www.worldchemical.com.tw
E-mail worchemi@ms34.hinet.net

SUZHOU WORLD TECHNOLOGY CO., LTD
蘇州華而多科技有限公司
江蘇省蘇州市相城経済開発区富元路402号
402, Fu Yuan Road, Xiang Cheng, Economic District.,
Su Zhou, China86-512-6579-8212
86-512-6579-8215
URL http://www.worldchemical.com.cn
E-mail worldchemical@wcs.szbnet.com

WORLD CHEMICAL USA, INC.

6127-5 Onogo-machi, Joso-shi, Ibaraki,
300-2521 Japan+81-297-24-1071

WORCHEMI TAIWAN CO., LTD.
台湾華爾多科技股 有限公司

+81-297-24-1075

25691 Atlantic Ocean Dr. Unit B-15 Lake Forest, CA 92630, U.S.A
1-949-462-0900 / 888-860-3364
URL http://www.worldchemicalusa.com
E-mail wca@worldchemicalusa.com■ Note〈● The detail is subject to change without notice.

● The catalogue is issued in January 2023.

〉

seriesseriesYD- 5 0 0 5 L O N 3 - S U - N D 5 1
ModelDis. bore

Output40 : 40A
50 : 50A

01 : 0.75kW
02 : 1.5kW
03 : 2.2kW
05 : 3.7kW

1 : Special motor
or without motor
3 : IE3Bore（mm）

Model

Motor type

Performance point

Sealing

Frequency

N : Sealless

5 : 50Hz
6 : 60Hz

Main material

O-ring material

S.G.

SU : SCS16(Equivalent SUS316L)

D : FPME : EPDM
P : PTFE

1 : 1.1

THD - Capacity（m-L/min）Hole※ Ask us,if other S.G. isnecessary.

S.G.

Output（kW）Weight（㎏）Upper temp.
limit（℃）

7-100

1.1

0.75

4180

13-20013-200

1.1

1.5

4380

−

14-3501.1

2.24580

50A

14-350−1.1

2.2458050A

18-50018-500

1.1

3.760

80

SuctionDischarge

50Hz60Hz

YD - 4001LON350A

40A

10-100YD - 4002LON350A

40A

YD - 4003LON350A

40A

YD - 5003LON365A

YD - 5005LON365A

Upper liquid level

Lower liquid level

Please keep the following minimum liquid measure during operation
to cool the inside of the pump.
* Motor output 0.75kW : 10L/min *Motor output 1.5 - 3.7kW : 20L/min* When special bore or performance is required, please ask us.
Hole

30

Total head (m)Total head (m)302050054002
10050034001

0100Tap(Depth 16mm)

2050054003

4002

10（mm）
4001

200

300

400

500

600

700

00100

Capacity (L/min)

200

300

400

500

600

700

Capacity (L/min)■ Use■ Feature

Possible to use in and out of tanks and● Made of stainless oﬀering resistance to high temperature and corrosion.

suitable for circulation operation!

708.5

YD - 4002LON3
YD - 4003LON3DφEφFφGB
298.5

170

H

I

160

120

105

140

159

G（PF）3/4

746

336

775

365

202

160

120

105

140

168

G（PF）3/4

202

160

120

105

140

168

G（PF）3/4

YD - 5003LON3782.5

YD - 5005LON3826.5

365

202

180

140

120

155

168

G（PF）3/4

409

243

180

140

120

155

187

G（PF）3/4No.

1⑫Connecting pipe

SCS 16

1SUS 304

4⑬

O-ring for back plate

EPDM・FPM・PTFE

1

Motor mounting plate

FC2001（Only 3.7kW）⑭

Bolt for back plate

SUS 304

6④

Bolt for pump base

SUS 3044（Only 3.7kW）⑮

O-ring for casing

EPDM・FPM・PTFE

1

Reliable design which is not eﬀected by dry running or slurry mixing,⑤Slit collar

SUS 304

2⑯Back plate

SCS 161

because of the sealless structure.

⑥ShaftSUS 316L

1⑰Bolt for casing

SUS 304

6⑦Gas seal

SUS 316+PTFE

1⑱

Impeller disk

SUS 316L

1⑧Pump base

SCS 13

1⑲

Impeller

PTFE

1

There is not any sliding parts like mechnical seals, so no need to replace⑨O-ring for pump base

EPDM・FPM・PTFE

1⑳KeySUS 316

2parts periodically.

⑩Bolt for connecting pip

SUS 304

6㉑Impeller nut

SUS 316L

1⑪PlugSUS 316

1㉒Casing

SCS 16

1multi-stratiﬁed & densiﬁed Print circuit board processing line such as● For blackening treatment equipment

desmear treatment or electroless nickel plating equipment.

● For high temp. washing equipment

AYD - 4001LON3φCQʼty

The pump body is made of SCS16 (Equivalent SUS316L) and suitable for● For desmear treatment equipment● For electroless nickel plating equipment

Model● Sealless structure: Strong against heat / abrasion● Easy maintenanceParts nameNo.
①Motor②Bolt for motor③

Material

Parts name

MaterialQʼty