Product Overview
KF25 NW25 to 1/8 Inch Female NPT Vacuum Adapter for Gauge and Sensor Ports
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 QF25XFNPT2 is a KF25 to 1/8 inch female NPT adapter for high vacuum systems. It converts a KF25 quick-flange port to a standard threaded connection for gauges, sensors, and other 1/8 inch NPT male accessories.
Key Features
- KF25 flange size, also known as NW25 or QF25
- 1/8 inch female NPT thread
- 304 stainless steel construction
- Pressure range from atmosphere to 10^-8 Torr
- Requires KF25 centering ring, clamp, and mating KF25 flange on the vacuum side
- Designed for ISO-KF high vacuum systems
Applications
- Mounting pressure gauges to KF25 vacuum ports
- Adding sensor connections to roughing lines and forelines
- Connecting diagnostic tools to vacuum chambers
- General KF25 to threaded instrument adaptation
Frequently Asked Questions
What thread size does this adapter use?
It uses a 1/8 inch female NPT thread.
Will this fit 1/4 inch NPT fittings?
No. This adapter is specifically for 1/8 inch NPT male threads.
What KF hardware does this require?
It must mate with a KF25 NW25 flange and requires a KF25 centering ring and clamp to seal.
Is this compatible with BSP or metric threads?
No. It is incompatible with BSPP, BSPT, and metric threads.
Good fit for buyers who need a stainless KF25 to 1/8 inch FNPT adapter for gauges or sensors. Verify thread size before ordering to avoid 1/8 inch versus 1/4 inch NPT mismatch.
