We are A MAUFACTURER for "Welded Bellows +Super bellows

+Ultra High Vacuum system + Furnace

+ PRESS + Vacuum gauge " etc. and Its accessaries as follows.

We'd like to supply our quality products  for your vacuum systems.

We would be so happy if we have an opportunity to supply to you.

Our Products are such as,

Super bellows ( LIFE CYCLE 300,000 CYCLES )

Vacuum bellows.

Welded bellows. ( LIFE CYCLE up to 1.000,000 CYCLES )

Ultra High Vacuum system ( 5.0 x 10  -10  Torr to be available) etc.

Transfer chamber

Transfer flange Loadlock chamber

Loadlock flange

PLD chamber

Substrate-manipulator flange

Target-manipulator flange

ESCA chamber

AFM-turn chamber

AFM manipulator flange

EVAP chamber

Bottom flange

Distance flange

As of accessaries :

Angle valve, Pneumatic Angle valve, Jis valve, CF valve, Weld flanges, Blank flanges,

Short weld stub flanges, Long weld stub flanges, Jis pipe weld flanges,90 degree elbows,

Four-way Crosses, Reducing Tees, Reducing 4-Way Crosses, Nipples,

( Jis ) Flange Adaptors, concial reducers, Hinged Clamp, Certering Rings,

Reducing Nipples, Conical Reducers, Tees, Reducing Elbow. Blank Flange Rotatable,

Blank flange Fixed, Four-way Crosses, Nipples, Jis flange Adaptors,

Flanges  : ISO / NW /KF type etc .

CVD ( Chemical Vapor Deposition )

( Others ) : Furnace + PRESS + Vacuum gauge ( AVAILABE in detail information if you are interested )

Vacuum Sintering Furnace

Gas Pressure Sintering Furnace

CIP (COLD ISOSTATIC PRESS )

WIP ( Warm Isostatic Press )

Dry Cold Isostatic Press

Hot Press

1. Our proucts pictures : " attached

2. Description

2-1. Super bellows

our own patent.

a substitutable for welding bellows WITH LESS 1/2 PRICING

competitive price.

2-2. Performance

material :  stainless steel sus 304, 316

Inner diameter10 to 300 mm

16A ( I. D.16 mm )= 0.63 INCH

25A               0.894 INCH

32A               1.26 INCH

40A               1.57 INCH

50A               1.97 INCH

65A               2.56 INCH

80A               3.15 INCH

100A              3.94 INCH

125A              4.92 INCH

150A              5.91 INCH

200A              7.87 INCH

250A              9.84 INCH

300A                 12INCH

Available leng : 300 mm to 5,000 mm

Usable temperature : - 200oc to 800oc

Allowable leakage : less than 1 x 10-9 ( 10 to the-9th power ) pa.m3 /s

a high cubic volume variation rate. : 50 to 70 %

very small pitch

A good elasticity : about 50%

restorable force : almost 100%

( a marvellous spring-back. )

LIFE CYCLE

300,000 CYCLES ARE AVAILABLE ( depending on conditions ).
WITH UP-DOWN MOTION 0F 50% STROKE ( 50% LENGTH ).

a high bendability & flexibility :
If 300 mm long,  available up to 540 degree.

the degree of vacuum : 5 x 103 to 1 x 108

a high airtightness

anti-presure : 300- 500 kg / cm2 g

ignorable hysterisis

a high anti-acid & alkali

a long life.

Application

Semiconductor equipment.

vacuum pump  and facilities.

building material

suitable for  a high vibration absorption devices.

Others

can be supplied " with  flange  after welding ".

can be supplied with " all of attachments ".

flexible  tubes for general pipes.

A ) omega type tube

B ) spiral type tube.

flexible joint.

3. Welded bellows.

( LIFE CYCLE up to 1.000,000 CYCLES)

Min. size ( ID ) From 1/2 inch

4. Vacuum bellows.

Min. size ( ID   )   :   From 1/4 inch

5. Customer

U S A, JAPAN, U.K. France, TAIWAN ETC.

And our main customer is Samsung Electronic co

etc.

6. DELIVERY : USUALLY 7-21 DAYS.

7. ISO 9002

Your FAVORABLE reply would be highly appreciated.

We have cores as attached,

Please send us your drawing & specification, and the we are ready to quote you

with a competition.

and Please do not hesitate to contact us if you need further.

Attached : Material chart 01 & 02

ID OD Table

Thanks and kind regards.

You - Dong, KIM

Y. D. Kim International Inc.

7th floor, Dongkyung Bldg 824-19 Yeoksam Kangnamku Seoul Korea

Phone : 82 (0)2 556 5067

Fax : + 82 (0)2 557 1644

Mobile : + 82 (0)10 5386 5067