Manufacturer / product approval
A-prefixed models only, ANSI B1.20.1 threads, exact model/size/pressure rows. Class 150 and Class 300 pressure bands differ; no B-model, ISO-thread, bronze or brand-wide claim. Directory updated 2025-02-14; printed 2025-04-24.
- Issuer
- UL Product iQ
- Manufacturer
- Siam
- Certificate reference
- HHXX.EX15226
- Printed document / snapshot date
- Printed expiry
- Not stated; this does not imply unlimited validity
Covered products and models (23)
- Class 150 Malleable Iron Bushings — ABU only; ANSI B1.20.1
- Class 150 Malleable Iron Caps — ACA only; ANSI B1.20.1
- Class 150 Malleable Iron Crosses — ACR only; ANSI B1.20.1
- Class 150 Malleable Iron Elbows 45° — AL45 only; ANSI B1.20.1
- Class 150 Malleable Iron Elbows 90° — AL90 only; ANSI B1.20.1
- Class 150 Malleable Iron Plugs — AP only; ANSI B1.20.1
- Class 150 Malleable Iron Reducing Crosses — ARCR only; ANSI B1.20.1
- Class 150 Malleable Iron Reducing Elbows — ARL only; ANSI B1.20.1
- Class 150 Malleable Iron Reducing Couplings — ARS only; ANSI B1.20.1
- Class 150 Malleable Iron Reducing Tees — ART only; ANSI B1.20.1
- Class 150 Malleable Iron Couplings — AS only; ANSI B1.20.1
- Class 150 Malleable Iron Street Elbows 45° — ASL45 only; ANSI B1.20.1
- Class 150 Malleable Iron Street Elbows 90° — ASL90 only; ANSI B1.20.1
- Class 150 Malleable Iron Service Tees — AST only; ANSI B1.20.1
- Class 150 Malleable Iron Tees — AT only; ANSI B1.20.1
- Class 300 Malleable Iron Caps — AXHCA only; ANSI B1.20.1
- Class 300 Malleable Iron Elbows 45° — AXHL45 only; ANSI B1.20.1
- Class 300 Malleable Iron Elbows 90° — AXHL90 only; ANSI B1.20.1
- Class 300 Malleable Iron Reducing Couplings — AXHRS only; ANSI B1.20.1
- Class 300 Malleable Iron Reducing Tees — AXHRT only; ANSI B1.20.1
- Class 300 Malleable Iron Couplings — AXHS only; ANSI B1.20.1
- Class 300 Malleable Iron Street Elbows 90° — AXHSL90 only; ANSI B1.20.1
- Class 300 Malleable Iron Tees — AXHT only; ANSI B1.20.1