China Butt Weld Fittings manufacturer

TOBO GROUP  

TOBO International Trading(Shanghia)Co.,Ltd       Tianda Oil Pipe Co., Ltd

TOBO Pipeline Equipment Co.,Ltd        TPCO & TISCO Pipe(Tianjin)Co.,Ltd.                        

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September 16, 2021

NO8020 Nickel Alloy Eccentric Reducer 4" X 2" STD SMLS Fittings ASME B366

ASME B366 NO8020 Nickel Alloy Eccentric Reducer 4'' x 2'' STD SMLS Fittings

Specifications

1. Butt weld fittings
2. sch5s-schxxs
3. ISO9001,ISO9000
4. Market:America,Africa,Middle East,Southeast of Asia

Production Name Concentric /Eccentric Reducers
Standard ASME/ANSI B16.9, ISO, JIS, DIN, BS,GB, SH, HG,QOST,ETC.
Size 1/2’’~48’’(Seamless);16’’~72’’(Welded)
Wall thickness Sch5~Sch160XXS
Manufacturing process Push, Press, Forge, Cast, etc.
Nickel alloy steel Alloy 200/Nickel 200/NO2200/2.4066/ASTM B366 WPN;
Alloy 201/Nickel 201/NO2201/2.4068/ASTM B366 WPNL;
Alloy 400/Monel 400/NO4400/NS111/2.4360/ASTM B366 WPNC;
Alloy K-500/Monel K-500/NO5500/2.475;
Alloy 600/Inconel 600/NO6600/NS333/2.4816;
Alloy 601/Inconel 601/NO6001/2.4851;
Alloy 625/Inconel 625/NO6625/NS336/2.4856;
Alloy 718/Inconel 718/NO7718/GH169/GH4169/2.4668;
Alloy 800/Incoloy 800/NO8800/1.4876;
Alloy 800H/Incoloy 800H/NO8810/1.4958;
Alloy 800HT/Incoloy 800HT/NO8811/1.4959;
Alloy 825/Incoloy 825/NO8825/2.4858/NS142;
Alloy 925/Incoloy 925/NO9925;
Hastelloy C/Alloy C/NO6003/2.4869/NS333;
Alloy C-276/Hastelloy C-276/N10276/2.4819;
Alloy C-4/Hastelloy C-4/NO6455/NS335/2.4610;
Alloy C-22/Hastelloy C-22/NO6022/2.4602;
Alloy C-2000/Hastelloy C-2000/NO6200/2.4675;
Alloy B/Hastelloy B/NS321/N10001;
Alloy B-2/Hastelloy B-2/N10665/NS322/2.4617;
Alloy B-3/Hastelloy B-3/N10675/2.4600;
Alloy X/Hastelloy X/NO6002/2.4665;
Alloy G-30/Hastelloy G-30/NO6030/2.4603;
Alloy X-750/Inconel X-750/NO7750/GH145/2.4669;
Alloy 20/Carpenter 20Cb3/NO8020/NS312/2.4660;
Alloy 31/NO8031/1.4562;
Alloy 901/NO9901/1.4898;
Incoloy 25-6Mo/NO8926/1.4529/Incoloy 926/Alloy 926;
Inconel 783/UNS R30783;
NAS 254NM/NO8367; Monel 30C
Nimonic 80A/Nickel Alloy 80a/UNS N07080/NA20/2.4631/2.4952
Nimonic 263/NO7263
Nimonic 90/UNS NO7090;
Incoloy 907/GH907; Nitronic 60/Alloy 218/UNS S21800
Package Wooden cases, pallets, nylon bags or according to the customers' requirements
Delivery time 10-100 days depending on quantity
Payment terms T/T or Western Union or LC
Shipment FOB Tianjin/Shanghai, CFR, CIF, etc
Application Petroleum/Power/Chemical/Construction/Gas/Metallurgy/Shipbuilding etc
Remarks Other materials and drawings are available.
The third party inspection: BV,SGS,LOIYD,TUV,and other party alloyed by clients.


Eccentric / Concentric Reducer Fitting

There are two options available, of Concentric Reducer or Eccentric Reducer.
An Eccentric Reducer, also called a Bell reducer, has two female (inside) threads of different sizes with centers so designed that when they are joined, the two pieces of pipe are not in line with each other, but they can be installed so as to provide optimum drainage of the line.
The fitting is designed with the smaller outlet off center to the larger end, allowing it to align with only one side of the inlet. The reducer fittings are designed to be welded with ease and offer superior strength and leak resistance.
Eccentric Reducer must be installed with straight side up to prevent trapping air at the pump suction. They are designed to allow simple connection of different sized pipes. These can be used as pipe reducers, flexible connectors and vibration eliminators.
Eccentric Reducers eliminate noise and isolate vibration in the pipeline, reduces stress, eliminates electrolysis and protects against start-up surges.
A Concentric Reducer joins the tube sections on the same axis. They connect unequal size pipes that have a common centerline and are used for TC transitions in vertical tubing.
A Concentric Reducer has different size ends to mate hose or tubing of different diameter that joins tube sections on the same axis. Since virtually all piping systems go through changes in diameter either in the run or at the equipment connections, a reducer serves the dual purpose of changing the piping diameter and at the same time that of handling the expansion, misalignment or vibration problem.
While there are published transition sizes and face to face dimensions, it is seldom that the cataloged sizes refer to what is required on the jobsite. Hence, the face to face dimensions as well as the two flange sizes are varied to fit the application. Thus, Custom reducers are easily manufactured as per the specifications.

Chemical Composition
Nickel (plus cobalt) ......................................................99.0 min.
Copper........................................................................0.25 max.
Iron..............................................................................0.40 max.
Manganese .................................................................0.35 max.
Carbon........................................................................0.15 max.
Silicon .........................................................................0.35 max.
Sulfur ..........................................................................0.01 max


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-Sufficient Forging, Heating, Machining Equipment
-In-house Inspection Instruments for Quality Controlling
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STANDARDS:

 

ASTM B366 - ASME SB366 - Factory-Made Wrought Nickel and Nickel Alloy Fittings

ASTM A815-Standard Specification for Wrought Ferritic, Ferritic/Austenitic, and Martensitic Stainless Steel Piping Fittings

ASTM A403-Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings

ASTM A234-Standard Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Moderate and High Temperature Service

ASTM A420-Standard Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Low-Temperature Service

ASME B16.28 - Wrought Steel Buttwelding Short Radius Elbows and Returns      

ASME B16.25 - Buttwelding Ends

MSS SP-43 - Wrought and Fabricated Butt-Welding Fittings for Low Pressure, Corrosion Resistant Applications


NO8020 Nickel Alloy Eccentric Reducer 4

 

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