Reducer

Size range: 1/2" ~ 24" (DN15 ~ DN600)
Wall thickness series: Sch5s, Sch10s, Sch40s, Sch80s, etc.

ASME/ANSI B16.9
Scope of application: American standard, applicable to steel reducers (seamless or welded) connected by butt welding.
Content: Covers dimensions, tolerances, pressure levels, etc., applicable to industries such as petroleum, chemical, and power.
Size range: 1/2" to 24" (DN15 to DN600).

ASME/ANSI B16.11
Scope of application: Reducers (forged steel) connected by socket welding and threading.
Size range: 1/8" to 4" (DN6 to DN100).

DIN 2616
Scope of application: German standard, applicable to butt welding reducers.
Material: carbon steel, stainless steel, etc.

ISO 4144
Scope of application: International Organization for Standardization (ISO) standard, applicable to threaded reducers.

JIS B2311/B2312
Scope of application: Japanese standard, applicable to steel butt welding pipe fittings.

Classification by shape
Concentric reducer:
Eccentric reducer:

Classification by manufacturing process
Stamped reducer: formed by die stamping
Welded reducer: made by steel plate rolling and welding
Casted reducer: produced by casting process

Petrochemical industry
Power engineering
Water supply and drainage system
HVAC system
Food and pharmaceutical industry
Other industrial piping systems