Reference Source

Iowa

For Iowa, national board stamps required is R,VR; asme code section stamps required is A, E, H, HLW, HV, M, N, NA, NPT, PP, S, U, U2, U3, UM, UV,V; country is United States, recorded from its source on 2026-08-28.

Jurisdiction
Iowa our reading
National Board stamps required
R,VR verified
ASME Code Section stamps required
A, E, H, HLW, HV, M, N, NA, NPT, PP, S, U, U2, U3, UM, UV,V verified
Country
United States our reading
Sourcenationalboard.org
Verified
Review by
DatasetASME Code Section stamps and National Board stamps required for boilers and pressure vessels in each US state, Canadian province and US city, county or territory

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

What the source says

Iowa R,VR A, E, H, HLW, HV, M, N, NA, NPT, PP, S, U, U2, U3, UM, UV,V

nationalboard.org, retrieved 2026-08-28

Source

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.