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Concentric & Eccentric Pipeline Transition Components High-Precision Butt Weld Reducers custom

Concentric & Eccentric Pipeline Transition Components High-Precision Butt Weld Reducers Manufacturers

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Material & Manufacturing Process

High-Precision Butt Weld Reducers | Concentric & Eccentric Pipeline Transition Components.

Manufactured in full compliance with ASME B16.9 and EN 10253 standards, our butt weld reducers (concentric and eccentric) offer seamless diameter transitions for heavy-duty industrial piping networks. Utilizing advanced hot-mandrel push forming, precision cold swaging, and heavy hydraulic forging techniques, we process a broad spectrum of certified materials. This includes carbon steel (ASTM A105, A234 WPB, A350 LF2), stainless steel (304/304L, 316/316L), duplex & super duplex alloys (S31803, S32750), and nickel-based alloys (Inconel 625, 254SMO). Fully compliant with NACE MR0175/ISO 15156 for sour service, each reducer undergoes controlled heat treatment, exact end-beveling, and mandatory 100% NDT inspection (UT, RT, MT, PT) to guarantee complete structural soundness.

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Butt Weld Reducers Technical Specifications

ParameterSpecification Detail
Material GradeASTM A105, S31803, S32750, Inconel 625, 254SMO
Design StandardASME B16.9, EN 10253, NACE MR0175/ISO 15156
CertificationPED, AD2000, DNV, NORSOK M-650, ABS, BV, ISO, NACE MR0175, EAC
Testing / InspectionUltrasonic (UT), Radiographic (RT), Magnetic Particle (MT), Penetrant (PT)

Specification Range

Jiangyin Gaoxin Pipe Fittings Co., Ltd. manufactures a wide selection of seamless and welded concentric and eccentric reducers engineered to optimize line pressure and flow dynamics. Powered by heavy hydraulic presses with capacities reaching up to 6,800 tons, our factory fabricates precision components across an expansive size range. Dimensional coverage extends from small-bore lines (DN15 / 1/2") up to extra-large outer diameter fabrications reaching DN3800 (150"). Wall thicknesses range from light-wall Schedule 10/40/80 up to XXS and custom heavy-wall specifications up to 100mm. Advanced coordinate measurement systems verify all geometric tolerances, ensuring perfect end-bevel alignment and effortless site butt-welding.

Product Advantages

Operating since 1993 under an ISO 9001 certified quality management system, our company guarantees exceptional pressure integrity, uniform wall thickness, and high fatigue resistance

  • Optimized Flow Performance: Our butt weld reducers carry recognized global credentials, including PED 2014/68/EU, AD2000, EAC, NORSOK M-650, and marine classification approvals from DNV, ABS, and BV. Gradual wall tapering prevents turbulence, pressure drops, and cavitation, preserving downstream equipment integrity
  • Full Traceability & Documentation: Every shipment is delivered with an EN 10204 3.1 Mill Test Certificate featuring full 100% heat-number raw material traceability
  • Rigorous Testing & Inspection: Combined with sea-worthy protective export packaging, our reducers safeguard client infrastructure while lowering lifetime total cost of ownership.

Applications

Operating since 1993 under an ISO 9001 certified quality management system, our company guarantees exceptional pressure integrity, uniform wall thickness, and high fatigue resistance. Our butt weld reducers carry recognized global credentials, including PED 2014/68/EU, AD2000, EAC, NORSOK M-650, and marine classification approvals from DNV, ABS, and BV. Gradual wall tapering prevents turbulence, pressure drops, and cavitation, preserving downstream equipment integrity. Every shipment is delivered with an EN 10204 3.1 Mill Test Certificate featuring full 100% heat-number raw material traceability. Combined with sea-worthy protective export packaging, our reducers safeguard client infrastructure while lowering lifetime total cost of ownership.

  • Q: What materials and standards apply to Butt Weld Reducers?
  • A: We manufacture Butt Weld Reducers in materials such as ASTM A105, S31803, S32750, Inconel 625 and to standards including ASME B16.9, EN 10253, NACE MR0175/ISO 15156, with full material traceability available on request.
  • Q: Can Butt Weld Reducers be customized for special project requirements?
  • A: Yes, our engineering team can review drawings, material grades and inspection requirements to provide customized Butt Weld Reducers solutions for EPC and industrial projects.
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Jiangyin Gaoxin Pipe Fittings Co., Ltd.
About Us
JIANGYIN GAOXIN PIPE FITTINGS CO.,LTD.
Our company is a professional manufacturer of pressure piping components. As Concentric & Eccentric Pipeline Transition Components High-Precision Butt Weld Reducers Manufacturers，Our product range covers butt-weld, socket-weld, and threaded pipe fittings, including flanges and customized non-standard parts. These products are widely used in industries such as oil & gas, chemical processing, power generation, shipbuilding, papermaking, metallurgy, pharmaceuticals, and food processing. We manufacture according to standards such as ASME, EN,JIS,DIN,ANSI,GOST, MSS, GB/T,HG, DL, SH, SY,and have a complete range of inspection equipment, a strict quality control system, and various certifications（PED,AD2000,EAC, ABS,BV, DNV,NORSOK M650, ISO9001,ISO14001,ISO45001,etc.）, making us a leader in the industry.

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