The pipe reducers are divided into two types: concentric reducer(Con reducer) and eccentric reducer (Ecc reducer).

Concentric Reducer (Con Reducer)
The size of the circle in the same line head is called Concentric Reducer. Usually adopted for reducing the forming process of pressing, expanding to suppress or reducing and expanding, to certain specifications of the reducer and stamping can be applied.
Concentric Reducers are used to join pipe or tube sections on the same centerline. They provide an in-line conical transition between pipes of differing diameters. Comparing to the eccentric reducer, the concentric type reducer is easier and low cost to produce.

Concentric Reducer(Con Reducer)
The shape of the concentric reducer like a / \, it is used a lot in the vertical piping systems. Because of the diameter change the pipes, it will bring the change in flow of fluid or other abrupt.
Concentric Reducer(Con Reducer) |
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Size | Seamless steel reducer:
1/2″-24″ DN15-DN600 Welded reducer: 1/2″-72″ DN15-DN1800 |
Standard | GB,HG,ASME,ANSI,API,EN,BS,DIN,JIS,KS,GOST,AS.
ASME/ANSI B16.9, MSS-SP-75, DIN 2616, EN 10253-2 , JIS B2311, GOST 17376. |
Material | Carbon steel:
ASTM A234 WPB, S235,P235GH,ST35.8,ST37,SS400,ST20,C20,Q235 Alloy steel: ASTM/ASME A234 WP 1-WP 12-WP 11-WP 22-WP 5-WP91-WP9, 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 A420 WPL3-WPL6 High performance carbon steel: ASTM A860 WPHY42 , WPHY46,WPHY52, WPHY60, WPHY65, WPHY70 |
Thickness | sch5s,sch10s,sch10, sch20, sch30, std, sch40, sch60, xs, sch80, sch100,sch120, sch140, sch160, xxs, SGP |
Connect method | Butt Welding |
Type | Seamless:DN15-DN600
Welded : DN15-DN1800 |
Package | Wooden Case, Plywood Pallet ,or can be in accordance with the requirement of the customers special packaging. |
Application | Natural gas,chemical,petroleum,ship building,marine,paper making, metallurgy, electric, power, boiler etc. |
Haihao pipe fitting&flange factory keeps to produce and supply the high quality con-reducer and ecc-reducer as per clients’ requirement.
We sincerely welcome customers domestic and abroad to visit us for cooperation and development.