ASME B16.9 ASTM A403 WP304 JIS B2312 Concentric/Eccentric Pipe Reducer
For industrial sourcing
Prepare a clearer RFQ
Include the details below so RELIA can understand the part and discuss the next step with you.
- Drawing, sample, or reference standard
- Material grade and preferred process
- Dimensions, tolerances, and surface finish
- Application, target quantity, and destination
Production timing, packing, and shipping terms are confirmed for each project after specifications and trade terms are agreed.
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warranty1 yearcustomized supportOEM, ODM, OBM
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model numberreducer 3697TechnicForged
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ConnectivityFemaleshapeEqual
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head codeHexagonOverall Length5.8in
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Height6Surface TreatmentPainting
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PressureLow PressureSystem of Measurementinch
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Mounting hole diameter0.25 inPipe Featuresunderground rated, No additional Features, Uv Resistant, Chemical Resistant, Corrosion-resistant, Flexible
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Pipe ClassNot RatedApplicationpetrochemical industry, Shipbuilding, Construction Engineering, Power Industry
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Thread TypesNPT
This reducer enquiry names ASME B16.9, ASTM A403 WP304 and JIS B2312 alongside concentric, eccentric and butt-weld requirements. Choose the actual geometry and applicable dimensional document before ordering. The named standards do not establish selected conformity or automatic equivalence.
Define the reduction and pipe alignment
Specify large and small nominal pipe designations, outside diameters and wall thicknesses. Confirm an actual reduction on the selected drawing before accepting the geometry. Concentric and eccentric layouts are alternatives: establish centre alignment or offset and installation orientation from the piping design.
The five millimetre size labels are not a complete large-by-small pair. Obtain end-to-end length and any offset dimensions for the chosen transition. A separate 5.8in length, height without a unit and mounting-hole entry cannot qualify dimensions across every variant.
WP304 material and actual end preparation
Select stainless or carbon steel explicitly. Grade WP304 under ASTM A403 requires the matching stainless material certificate and heat traceability; it cannot qualify carbon steel. Dark finish and gallery markings do not establish the selected grade, wall or manufacturing route. Request manufacturing records when forged construction is required.
Confirm the actual welded or threaded interface. Butt-weld supply needs pipe-wall matching, bevel and end preparation; female NPT supply needs the full thread designation and engagement requirements. Obtain the selected end detail before assuming one connection across all choices.
Unrated duty and environmental acceptance
Not Rated provides no pressure rating, and Low Pressure supplies no numerical operating limit. Assess medium, pressure, temperature and design requirements for petrochemical, shipbuilding, construction or power service. Underground use, UV and chemical/corrosion resistance, and flexibility need selected material, finish, exposure or movement evidence. Provide paired sizes, alignment drawing, chosen grade, actual ends and operating duty with the dimensional and material inspection requirements.
Technical information for every product inquiry
Prepare the requirement before final product confirmation.
The product page is a starting point. Drawings, samples, interfaces, materials, quantities and acceptance requirements are reviewed before stock matching or custom production is confirmed.
Discuss this product in your project context.
Share the available drawing, sample, reference, target quantity and application information. Unknown items can remain open for review.
