Ask a research-administration question
Answers are drawn from CASRAI and the rest of the CASRAI corpus, with a link to every source.
Answers are AI-generated from CASRAI’s own published pages and can be wrong, so check the linked sources before relying on one; your question is logged without personal data — never sold, never used to train a third-party model — to show us what CASRAI is missing, so please do not type personal or confidential details. How we use this
CASRAI is the reference for research administration — bookmark it for the next question.

SKU KF2590
USA Lab
KF25 90 Degrees
$25.00
In stockKF-25 90-degree elbow vacuum fitting in stainless steel, to ISO-KF standards with an NW-25 flange.
Buying through procurement?
Generate a formal quotation for 1 × this item, plus our W-9 — everything your finance department needs to raise a purchase order.
Ordering several items? Add them to your cart, then create one quote for the whole cart.
Description
These KF-25 90 degree elbow vacuum fittings follow ISO-KF standards and have a flange size of NW-25.These stainless steel elbow fittings are commonly used to build foreline vacuum plumbing and process systems.They are particularly made of corrosive resistant Stainless Steel. KF-25 Fittings Elbow 90 Degrees
ISO-KF Flange Size: NW-25
Frequently asked questions
What standard does it follow?+
ISO-KF, with an NW-25 flange size.
What is it made from?+
Stainless steel.
Related products

Butane Tank Adapter - CGA-510 / CGA-555
Brass tank adapter converting a cylinder valve outlet to a 1/4 in. 37 degree JIC flare, in two configurations: CGA 510 x 1/4 in. JIC male, or CGA 555 x 1/4 in. JIC female. The flare seals metal to metal on the flare face, so the joint does not depend on thread sealant tape.










