Weld reducer is also called butt welding reducing pipe, can also be called variable pipe, size head, reducing pipe.The forming technology of reducing pipe size head is divided into two kinds: steel plate rolling welding forming, after steel plate blanking, by the rolling machine rolling and welding forming.The steel pipe may be molded by kneading.The steel tube is heated and the thick defensive abrasive is kneaded into shape.
Material:A234WPB, A420WPL6 St37,St45, E24, A42CP, 16Mn, Q345, P245GH, P235GH, P265GH, P280GH,P295GH,P355GH
WPHY42, WPHY52, WPHY60, WPHY65,WPHY70, WPHY80
P11,P22,P5, P9,P91, 10CrMo9-10, 16Mo3
Stainless steel: (304, 304L, 316, 316L, S30408, S30403, S31608, S31603, SUS304, ASTM A403, TP321, TP317L, 347, 0Cr18Ni9, 00Cr19Ni10, 00Cr17Ni14Mo2, 1Cr18Ni9Ti, 06Cr17Ni12Mo2, 022Cr17Ni12Mo2 etc.
Alloy steel: (16MnR, Cr5Mo, 12Cr1MoV, 10CrMo910, 15CrMo, 12Cr2Mo1, A335P22, St45.8 / Ⅲ, A10bB, etc.);
Special alloy steel: (TP310S, 904L, Incoloy800, Incoloy825, Incoloy600, Incoloy625, etc.);
Duplex stainless steel: (F51, S31803, S2205, F53, 2507, S32750, F55, 2607, S32760, etc.
Standard:ANSI B16.9, EN10253-2, DIN2605, GOST17375-2001, JIS B2313, MSS SP 75
Wall thickness: sch20,sch30,sch40,STD,sch60,XS,sch80,sch120,XXS,etc
Types: Concentric Reducer, Eccentric Reducer,seamless reducer and welded reducer.
Surface treatment: black painting, anti-rust oil
Application of Weld reducer (large and small head): 1. When there is a change in the flow rate of the fluid in the pipeline, such as an increase or decrease, and a small change in the flow rate requirements, a reducer must be used; 2. At the inlet of the pump, in order to prevent cavitation, reducers need to be used; 3. At the joints with meters, such as flow meters and regulating valves, reducers need to be used in order to cooperate with the joints of the meter.
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