2B231 Category 2B

Vacuum pumps having all of the characteristics described in this ECCN (see List of Items Controlled).

Category 2: Materials Processing

Reasons for control

NP: Nuclear nonproliferation
AT: Anti-terrorism

Country chart

Control	Column
AT applies to entire entry	AT 1
NP applies to entire entry	NP 1

List-based license exceptions

Exception	As stated in the entry
GBS	N/A
LVS	N/A

Items

Items: a. Input throat size equal to or greater than 380 mm;
b. Pumping speed equal to or greater than 15 m 3/s; and
c. Capable of producing an ultimate vacuum better than 13.3 mPa.

Related controls

(1) See ECCNs 2E001 (“development”), 2E002 (“production”), and 2E201 (“use”) for “technology” for items controlled under this entry. (2) Also see bellows-sealed scroll-type compressors and bellows-sealed scroll-type vacuum pumps controlled under ECCN 2B233. (3) Vacuum pumps “specially designed” or prepared for the separation of uranium isotopes are subject to the export licensing authority of the Nuclear Regulatory Commission (see 10 CFR part 110).

Source: eCFR, version 2026-08-01, retrieved 2026-08-20T04:04:59+00:00.