Pipe Reducer

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As one of the chemical pipe fittings, the pipe reducer is for connecting two pipes of different diameters. There are concentric reducer and eccentric reducer. The generally used forming process is reducing pressing, expanding pressing or reducing plus expanding pressing. For the pipe reducer of certain specifications, stamping forming can also be employed.

Standard

ASME B16.9-2007, ASME B16.25-2007, ASME B16.5-2007

EN10253-1-1999, EN10253-2-2007, EN10253-3-2008, EN10253-4-2008

DIN2605-1-1992, DIN2605-2-1995

JIS B2311-2009, JIS B2312-2009, JIS B2313-2009

GB/T12459-2005, GB/T13401-2005, GB/T10752-2005

SH/T3408-1996, SH/T3409-1996

SY/T0609-2006, SY/T0518-2002, SY/T0510-1998

DL/T695-1999, GD2000, GD87-1101

HG/T21635-1987, HG/T21631-1990

Dimension

Type	External Diameter	Wall Thickness
Seamless Type	0.5-24 inches(DN15-DN600)	4-150mm (sch10, sch20, sch30, std, sch40, sch60, xs, sch80, sch100, sch120, sch140, sch160, xxs, sch5s, sch20s, sch40s, sch80s)
Welded Type	4-78 inches(DN150-DN1900)

Material

Carbon Steel	ASTM/ASME A234 WPB, WPC
Alloy Steel	ASTM/ASME A234 WP 1, WP 12, WP 11, WP 22, WP 5, WP 91, WP 911
Stainless Steel	ASTM/ASME A403 WP 304, 304L, 304H, 304LN, 304N
	ASTM/ASME A403 WP 316, 316L, 316H, 316LN, 316N, 316Ti
	ASTM/ASME A403 WP 321, 321H
	ASTM/ASME A403 WP 347, 347H
Low Temperature Steel	ASTM/ASME A402 WPL 3, WPL 6
High Performance Steel	ASTM/ASME A860 WPHY 42, 46, 52, 60, 65, 70

Production Process
The pipe reducer is manufactured through the cold or hot processing methods embracing bending, extruding, pushing, mold pressing and machining.

Applicable Industry
The pipe reducer can be applied in a variety of fields, such as petroleum, natural gas, electric power, petrochemical engineering, ship, metallurgy, papermaking, heat supply, etc.

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