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Class 2500 High Pressure Alloy Steel Butt Weld Fittings Reducing Tee WP91

Place of Origin Zhejiang, China
Brand Name HANPIPE
Certification ISO 9001:2015 / PED / EN 10204 3.1
Model Number BW-FITTING
Minimum Order Quantity 10 Pieces
Price USD 8-260 / Piece
Packaging Details Seaworthy wooden case or pallet with plastic end caps, customized marking available
Delivery Time 15-25 days after deposit
Payment Terms T/T,L/C,Western Union
Supply Ability 80000 Pieces per Month
Product Details
Product Name High Pressure Butt Weld Fittings Application High Pressure Steam Line
Material Grade WP91 / Chrome Moly Standard ASME B16.9 / ASTM A234
Size Range 1/2 Inch - 24 Inch Wall Thickness SCH80 - XXS
Pressure Rating Class 2500 / 6000 PSI Surface Finish Black Painting Or Bare
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Class 2500 High Pressure Tee

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WP91 Alloy Steel Fittings

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Butt Weld Reducing Tee

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Product Description
Class 2500 High Pressure Alloy Steel Butt Weld Fittings Reducing Tee WP91

Class 2500 high pressure butt weld fittings are built for the most demanding steam and process lines, where a failure would be catastrophic. This reducing tee is made from WP91 chrome molybdenum alloy steel, a material developed for high temperature, high pressure service in power and hydrogen applications.

The Class 2500 wall thickness gives these high pressure butt weld fittings a very high working pressure, and the WP91 alloy resists creep and oxidation at elevated temperature. The reducing branch allows a smaller line to be tapped from a main header without adding a separate fitting.

Each high pressure reducing tee is forged, heat treated and machined to ASME B16.9 and ASTM A234, with wall thickness controlled to your schedule from SCH80 up to XXS. The material is fully traceable and can be supplied with ultrasonic and radiographic testing.

Typical applications include supercritical boiler headers, main steam lines, hydrogen processing and high pressure chemical service. For projects needing Class 2500 butt weld fittings with certified chrome moly material, our reducing tees deliver reliable, code-compliant performance.

Technical Specifications
Material Grade WP91 / Chrome Moly Alloy Steel
Product Type Reducing Tee
Size Range 1/2 inch - 24 inch
Wall Thickness SCH80 - XXS
Standards ASME B16.9 / ASTM A234
Pressure Rating Class 2500 / 6000 PSI
Surface Finish Black Painting or Bare
End Connection Butt Weld (BW)
Why Choose Our High Pressure Butt Weld Fittings
  • Class 2500 rating for the highest pressure steam and process duty
  • WP91 chrome moly resists creep at high temperature
  • Forged construction for dense, defect-free material
  • Reducing branch saves space and avoids a separate fitting
  • Radiographic and ultrasonic testing available on request
  • Machined to ASME B16.9 for accurate fit-up
Typical Applications
  • Supercritical boiler headers
  • Main steam and reheat lines
  • Hydrogen and hydrocracker piping
  • High pressure chemical reactors
  • Combined cycle power plants

Every High Pressure Butt Weld Fitting is packed in seaworthy wooden cases or pallets with protective end caps. We offer customized marking and labeling, and can consolidate mixed sizes in a single shipment to reduce your freight cost and handling time.

As a High Pressure Butt Weld Fittings manufacturer, we support custom sizes, wall thicknesses and materials, and arrange third party inspection such as SGS, BV or TUV on request. Our engineers review every enquiry and recommend the material, wall thickness and standard that best match your pressure, temperature and corrosion requirements.

Each High Pressure Butt Weld Fittings order is dimensionally inspected against the applicable standard before dispatch, and our quality team retains a sample record that can be re-tested on request. We also welcome factory audits and pre-shipment inspections from overseas buyers, and can supply reference projects and test reports to support your tender documents.

Frequently Asked Questions
What pressure can Class 2500 butt weld fittings handle?
Class 2500 is the highest standard ASME class and corresponds to a 6000 PSI reference rating, suitable for the most severe high pressure steam duty.
Why is WP91 used for high pressure butt weld fittings?
WP91 chrome moly alloy resists creep and oxidation at elevated temperature, so it keeps its strength where carbon steel would deform.
Are these high pressure fittings tested?
Yes. We offer ultrasonic, radiographic and hardness testing, and every reducing tee can be supplied with an EN 10204 3.1 certificate.
Which schedules are available?
Wall thickness from SCH80 to XXS, matched to your line class and design pressure.