NW/KF flange to male NPT adapters, SS
NW/KF flange to male NPT adapters, SS
NW/KF flange to male NPT adapters, SS
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NW/KF flange to male NPT adapters, SS

The NW/KF flange adapters to male NPT thread used to connect pipes and systems with NPT thread to NW/KF flange system. These stainless steel adapters are welded and helium leak tested. Use OC Three as a sealant and to prevent seising. Please note that NPT (National Pipe Thread) does not refer to the outside diameter of the thread. Aluminium flange adapter specifications:

The NW/KF flange adapters to male NPT thread used to connect pipes and systems with NPT thread to NW/KF flange system. These stainless steel adapters are welded and helium leak tested. Use OC Three as a sealant and to prevent seising. Please note that NPT (National Pipe Thread) does not refer to the outside diameter of the thread. 

Aluminium flange adapter specifications:

Product NPT Size Dimensions

NW/KF16 Adapter
VNPTM-KF16-03SS
 3.18mm A=26mm
VNPTM-KF16-06SS
 6.35mm A=32mm

NW/KF25 Adapter
VNPTM-KF25-03SS
 3.18mm A=26mm
VNPTM-KF25-06SS
 6.35mm A=32mm
VNPTM-KF25-12SS
 12.7mm A=47mm
VNPTM-KF25-19SS
 19mm A=51mm

NW/KF40 Adapter
VNPTM-KF40-03SS
 3.18mm A=26mm
VNPTM-KF40-06SS
 6.35mm A=32mm
VNPTM-KF40-12SS
 12.7mm A=47mm
VNPTM-KF40-19SS
 19mm A=47mm

NW/KF50 Adapter
VNPTM-KF50-03SS
 3.18mm
 A=26mm
VNPTM-KF50-06SS
 6.35mm A=32mm
VNPTM-KF50-12SS
 12.7mm
 A=47mm
VNPTM-KF50-19SS
 19mm
 A=47mm
VNPTM-KF50-25SS
 25.4mm A=55mm
VNPTM-KF50-32SS
 31.75mm
 A=80mm
VNPTM-KF50-38SS
 38.1mm
 A=80mm

Vacuum Flange Types and Sizes

Updated: 25-08-2025
Code Size NPT Pack Size Availability Price Updated: 25-08-2025
VNPTM-KF16-03SS NW/KF16 3.18mm Each 0 in stock (?) $142.00 AUD
VNPTM-KF16-06SS NW/KF16 6.35mm Each 0 in stock (?) $132.00 AUD
VNPTM-KF25-03SS NW/KF25 3.18mm Each 0 in stock (?) $140.00 AUD
VNPTM-KF25-06SS NW/KF25 6.35mm Each 0 in stock (?) $148.00 AUD
VNPTM-KF25-12SS NW/KF25 12.7mm Each 0 in stock (?) $157.00 AUD
VNPTM-KF25-19SS NW/KF25 19mm Each 0 in stock (?) $247.00 AUD
VNPTM-KF40-03SS NW/KF40 3.18mm Each 0 in stock (?) $133.00 AUD
VNPTM-KF40-06SS NW/KF40 6.35mm Each 0 in stock (?) $158.00 AUD
VNPTM-KF40-12SS NW/KF40 12.7mm Each 0 in stock (?) $163.00 AUD
VNPTM-KF40-19SS NW/KF40 19mm Each 0 in stock (?) $247.00 AUD
VNPTM-KF50-03SS NW/KF50 3.18mm Each 0 in stock (?) $142.00 AUD
VNPTM-KF50-06SS NW/KF50 6.35mm Each 0 in stock (?) $142.00 AUD
VNPTM-KF50-12SS NW/KF50 12.7mm Each 0 in stock (?) $170.00 AUD
VNPTM-KF50-19SS NW/KF50 19mm Each 0 in stock (?) $186.00 AUD
VNPTM-KF50-25SS NW/KF50 25.4mm Each 0 in stock (?) $236.00 AUD
VNPTM-KF50-32SS NW/KF50 31.75mm Each 0 in stock (?) $252.00 AUD
VNPTM-KF50-38SS NW/KF50 38.1mm Each 0 in stock (?) $285.00 AUD