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ISO-K Conical Reducer Nipples

We fabricate these ISO nipples (spools) for HV systems from 304L stainless steel tubing and ISO flanges. The ISO flange (also called Large ISO) is used for HV chamber ports and is available in two distinct styles; ISO-K which uses clamp fasteners and ISO-F which uses nut and bolt fasteners.

ISO Nipples Feature:

Half nipples feature one ISO flange
Full nipples feature two ISO flanges
Conical and straight reducer nipples adapt two different flange sizes
Common lengths and tube diameters listed; contact us with your specific requirements

Note:

These flanges are identical to the ISO NW flange standard. While these flanges are compatible with those made by European manufacturers, the tube diameter listed is in inches.

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Ordering Table

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Flange Size/OD (Large)

Flange Size/OD (Small)

Type

Flange Material

Drawing

Tube OD (Small)

Tube OD (Large)

Overall Length

Dim A

Dim B

Dim C

Description

VacuCAD^SM

Part Number

Price

In Stock

Add To Cart

Accessories

Flange Size/OD (Large)

Flange Size/OD (Small)

Type

Flange Material

Drawing

Tube OD (Small)

Tube OD (Large)

Overall Length

Dim A

Dim B

Dim C

Description

VacuCAD^SM

Part Number

Price

In Stock

Add To Cart

Accessories

ISO80-K (4.33" OD)

ISO63-K (3.74" OD)

Reducing Nipple, Conical

304L SS

2.50

3.00

4.12

2.87

2.37

REDUCER,CONICAL,SS,ISO 80-K TO ISO 63-K

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QF80XQF63C

$311.55

ISO100-K (5.12" OD)

ISO63-K (3.74" OD)

Reducing Nipple, Conical

304L SS

2.50

4.00

4.12

3.87

2.37

REDUCING FULL NIPPLE,CONICAL, SS,ISO100-K TO ISO63-K

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QF100XQF63C

$254.30

ISO160-K (7.09" OD)

ISO63-K (3.74" OD)

Reducing Nipple, Conical

304L SS

2.50

6.00

4.12

3.87

2.37

REDUCER,CONICAL,SS,ISO 160-K TO ISO 63-K

(please log in)

QF160XQF63C

$366.85

ISO100-K (5.12" OD)

ISO80-K (4.33" OD)

Reducing Nipple, Conical

304L SS

3.00

4.00

4.12

3.87

2.87

REDUCER,CONICAL,SS,ISO100-K CLAMP STYLE TO ISO 80-K

(please log in)

QF100XQF80C

$305.55

ISO160-K (7.09" OD)

ISO80-K (4.33" OD)

Reducing Nipple, Conical

304L SS

3.00

6.00

5.87

2.87

REDUCER,CONICAL,SS,ISO 160-K TO ISO 80-K

(please log in)

QF160XQF80C

$388.95

ISO160-K (7.09" OD)

ISO100-K (5.12" OD)

Reducing Nipple, Conical

304L SS

4.00

6.00

5.87

3.87

REDUCER,CONICAL,SS,ISO 160-K TO ISO 100-K, 6.00" OAL

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QF160XQF100C

$409.05

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Flange Size/OD (Large)

Flange Size/OD (Small)

Type

Flange Material

Drawing

Tube OD (Small)

Tube OD (Large)

Overall Length

Dim A

Dim B

Dim C

Description

VacuCAD^SM

Part Number

Price

In Stock

Add To Cart

Accessories

Flange Size/OD (Large)

Flange Size/OD (Small)

Type

Flange Material

Drawing

Tube OD (Small)

Tube OD (Large)

Overall Length

Dim A

Dim B

Dim C

Description

VacuCAD^SM

Part Number

Price

In Stock

Add To Cart

Accessories

ISO80-K (4.33" OD)

ISO63-K (3.74" OD)

Reducing Nipple, Conical

304L SS

63.500

76.200

104.648

104.7

72.9

60.2

REDUCER,CONICAL,SS,ISO 80-K TO ISO 63-K

(please log in)

QF80XQF63C

$311.55

ISO100-K (5.12" OD)

ISO63-K (3.74" OD)

Reducing Nipple, Conical

304L SS

63.500

101.600

104.648

104.7

98.3

60.2

REDUCING FULL NIPPLE,CONICAL, SS,ISO100-K TO ISO63-K

(please log in)

QF100XQF63C

$254.30

ISO160-K (7.09" OD)

ISO63-K (3.74" OD)

Reducing Nipple, Conical

304L SS

63.500

152.400

104.648

104.7

98.30

60.2

REDUCER,CONICAL,SS,ISO 160-K TO ISO 63-K

(please log in)

QF160XQF63C

$366.85

ISO100-K (5.12" OD)

ISO80-K (4.33" OD)

Reducing Nipple, Conical

304L SS

76.200

101.600

104.648

104.7

98.3

72.9

REDUCER,CONICAL,SS,ISO100-K CLAMP STYLE TO ISO 80-K

(please log in)

QF100XQF80C

$305.55

ISO160-K (7.09" OD)

ISO80-K (4.33" OD)

Reducing Nipple, Conical

304L SS

76.200

152.400

152.4

149.1

72.9

REDUCER,CONICAL,SS,ISO 160-K TO ISO 80-K

(please log in)

QF160XQF80C

$388.95

ISO160-K (7.09" OD)

ISO100-K (5.12" OD)

Reducing Nipple, Conical

304L SS

101.600

152.400

152.4

149.1

98.3

REDUCER,CONICAL,SS,ISO 160-K TO ISO 100-K, 6.00" OAL

(please log in)

QF160XQF100C

$409.05

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Flange Selection Guide

With a variety of flanges to choose from, the Flange Selection Guide is designed to help you find one to meet your vacuum requirements. Shop Now!
Can't find the flange you need or want a custom configuration? Please call us at +1 412 387 9200 or email international@lesker.com with your inquiry.

Accessories Table

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Double Clamps (Aluminum)

ISO63 - ISO100 "K" Flanges

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QF-SDC-AL1

$6.75

Double Clamps (Aluminum)

ISO160 - ISO250 "K" Flanges

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QF-SDC-AL2

$7.35

Double Clamps (Aluminum)

ISO320 - ISO500 "K" Flanges

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QF-SDC-AL3

$14.10