ISO-KF

Adaptor NPT Male

Drop-in Options

Revolutionize your vacuum gauge experience with us!

INFICON ISO-KF fittings are manufactured according to ISO 2861/1, DIN 28403 and Pneurop 6606. Our quality fittings are the standard components for all vacuum and high vacuum applications. The high quality INFICON components are designed and tested for leak rates less than 1 x 10^-9 mbar l/s.

Advantages

Competitively priced
World wide logistics
Design and measures follow strictly international respected standards
Surface finish, welds, material specifications and cleanliness meet or exceed high vacuum specifications
2011/65/EU RoHS compliant

Specifications

	Dimension A	Dimension B	Dimension C	Dimension D

DN16 ISO-KF/ ⅛" NPT	40 mm	17 mm	5 mm	⅛-27 NPT

DN16 ISO-KF/ ¼" NPT	40 mm	22 mm	7 mm	¼-18 NPT

DN25 ISO-KF/ ⅛" NPT	40 mm	17 mm	5 mm	⅛-27 NPT

DN25 ISO-KF/ ¼" NPT	40 mm	22 mm	7 mm	¼-18 NPT

DN25 ISO-KF/ ½" NPT	50 mm	30 mm	14 mm	½-14 NPT

DN25 ISO-KF/ 1" NPT	60 mm	32 mm	25 mm	1-11 ½ NPT

DN40 ISO-KF/ ¼" NPT	40 mm	21 mm	7 mm	¼-18 NPT

DN40 ISO-KF/ ½" NPT	50 mm	30 mm	14 mm	½-14 NPT

DN40 ISO-KF/ 1" NPT	60 mm	33 mm	25 mm	1-11 ½ NPT

DN40 ISO-KF/ 1 ¼" NPT	50 mm	31.5 mm	32 mm	1 ¼-11 ½ NPT

DN40 ISO-KF/ 1 ½" NPT	50 mm	28 mm	32 mm	1 ½-11 ½ NPT

DN40 ISO-KF/ 2" NPT	50 mm	27 mm	40 mm	2-11 ½ NPT

Width across flats in inch Material: stainless steel 303/1.4305

Download full specifications

Part Number

	Part Number	Description

DN16 ISO-KF/ ⅛" NPT	211-551	Adaptor, DN16 ISO-KF/ ⅛" NPT, male

DN16 ISO-KF/ ¼" NPT	211-552	Adaptor, DN16 ISO-KF/ ¼" NPT, male

DN25 ISO-KF/ ⅛" NPT	211-554	Adaptor, DN25 ISO-KF/ ⅛" NPT, male

DN25 ISO-KF/ ¼" NPT	211-555	Adaptor, DN25 ISO-KF/ ¼" NPT, male

DN25 ISO-KF/ ½" NPT	211-556	Adaptor, DN25 ISO-KF/ ½" NPT, male

DN25 ISO-KF/ 1" NPT	211-557	Adaptor, DN25 ISO-KF/ 1" NPT, male

DN40 ISO-KF/ ¼" NPT	211-559	Adaptor, DN40 ISO-KF/ ¼" NPT, male

DN40 ISO-KF/ ½" NPT	211-560	Adaptor, DN40 ISO-KF/ ½" NPT, male

DN40 ISO-KF/ 1" NPT	211-561	Adaptor, DN40 ISO-KF/ 1" NPT, male

DN40 ISO-KF/ 1 ¼" NPT	211-562	Adaptor, DN40 ISO-KF/ 1 ¼" NPT, male

DN40 ISO-KF/ 1 ½" NPT	211-563	Adaptor, DN40 ISO-KF/ 1 ½" NPT, male

DN40 ISO-KF/ 2" NPT	211-564	Adaptor, DN40 ISO-KF/ 2" NPT, male