Product Overview
KF40 NW40 to 1/8 Inch Male NPT Vacuum Adapter for High Vacuum Plumbing
Condition
Single unit available. Unused NOS condition with no issues noted during visual evaluation. Evaluation: Visual inspection only. Function testing not performed. Packaging is a bit beat up, but the part is in great shape and looks unused. Genuine Kurt J. Lesker part obtained from a government research facility and covered by our No Hassle PartsMine Guarantee.
Ships same business day from Idaho. Packed carefully.
Product Overview
Kurt J. Lesker QF40XMNPT2 is a KF40 to 1/8 inch male NPT adapter for high vacuum systems. It provides a KF40 quick flange connection on one side and a 1/8 inch MNPT threaded connection on the other for gauges, vent valves, and gas line fittings.
Key Features
- KF40 flange size, also known as NW40 or QF40
- 1/8 inch male NPT threaded connection
- 304 stainless steel construction
- High vacuum rating to 1.0 x 10^-8 Torr
- Flange OD: 2.16 inches
- Requires KF40 centering ring, KF40 clamp, and mating KF40 flange
Applications
- Mounting pressure sensors to KF40 vacuum ports
- Adding vent valves to forelines and roughing lines
- Connecting gas inlet plumbing to KF40 manifolds
- General high vacuum plumbing transitions from KF40 to NPT
Frequently Asked Questions
What thread does this adapter use?
It uses a 1/8 inch male NPT thread.
Will this fit BSP or metric threaded fittings?
No. It is not compatible with BSP or metric threads.
What KF hardware does this require?
It must mate with a KF40 NW40 QF40 flange and requires a KF40 centering ring, KF40 clamp, and mating KF40 flange to seal.
Is the overall length confirmed?
Not confirmed.
Good fit for buyers who need a stainless KF40 to 1/8 inch MNPT transition fitting for gauges, valves, or gas lines. Verify thread standard before ordering to avoid NPT versus BSP mismatch.
