Manufacturer / product approval
OSF listed sizes 2–12 in at 300 psi; OSF2 ANSI and OSF3 BS/PN are separate designations with different pressure scope. 5 in is UL only per sheet. Last updated 2018-06-11; snapshot 2022-09-12. No gate FM file is attached.
- Issuer
- UL Product iQ
- Manufacturer
- Viking
- Certificate reference
- HMRZ.EX15003
- Printed document / snapshot date
- Printed expiry
- Not stated; this does not imply unlimited validity