Plain-End UNS N08825 Puddle Pipe Flange
Plain or bevelled ends allow the contractor to complete a compatible welded, coupled or site-defined connection.
Alloy 825 pipe assemblies for concrete penetrations
UNS N08825 Puddle Pipe Flange Manufacturer in India
A UNS N08825 puddle pipe flange combines an Alloy 825 pipe spool with an integral water-stop plate for installation through concrete. Mesta Inc. manufactures each assembly to the approved drawing; therefore, buyers can specify its material standard, pipe size, overall length, plate position and connection ends.
What Is a UNS N08825 Puddle Pipe Flange?
A UNS N08825 puddle pipe flange combines a fabricated Alloy 825 spool and a projecting plate in one installation-ready unit. When workers embed the plate in a wall, slab or tank, it lengthens the potential moisture path around the pipe exterior.
UNS N08825 identifies a nickel-iron-chromium alloy containing additions such as molybdenum, copper and titanium. Because suitability depends on the actual chemical environment, temperature and contaminants, the purchaser should confirm material selection through the project corrosion assessment.
Mesta Inc. manufactures every unit from an approved drawing or complete dimensional enquiry. Consequently, the finished product can match the required material specification, plate location, connection orientation, fabrication controls and inspection plan.
Embedded water stopFirst, the projecting plate interrupts water tracking along the outside of the pipe.
Drawing-based dimensionsNext, the project defines pipe OD, plate size, thickness, position and assembly length.
Alloy 825 constructionMoreover, material records can identify the specified UNS N08825 product forms.
Custom pipe endsFinally, assemblies can use plain, bevelled, threaded, socket, spigot or flanged ends.
UNS N08825 Puddle Pipe Flange Specifications and Manufacturing Range
A nominal pipe size does not define the complete product. Therefore, every quotation should confirm the pipe system, water-stop geometry and connection details.
| Pipe size | Project-defined nominal size plus confirmed actual outside diameter. |
|---|---|
| Pipe wall | Schedule, SDR, pressure class or actual wall thickness according to the pipe material. |
| Water-stop plate | Outside diameter or width, radial projection, thickness, profile and pipe opening. |
| Plate position | Drawing-defined location along the pipe and within the concrete wall, slab or tank. |
| Material | UNS N08825 pipe, plate, flange and fitting product forms according to the approved material specification. |
| Assembly length | Length based on concrete thickness, internal projection, external projection and joint access. |
| End connections | Plain, bevelled, threaded, socket, spigot, single-flanged or double-flanged. |
| Surface condition | Project-defined cleaning, contamination control and finished surface requirements. |
| Inspection | Material, dimensions, attachment, welds, coating and testing according to the approved plan. |
| Documentation | Material certificates, weld/NDT reports, dimensional records and release documents as agreed. |
Size note: Nominal metric and inch descriptions may use different physical outside diameters. Therefore, provide the pipe standard or measured OD with the enquiry.
Main UNS N08825 Puddle Pipe Flange Connection Types
The adjoining pipework and site assembly method determine the correct end arrangement. Consequently, compare these common configurations.
Single-Flanged UNS N08825 Puddle Pipe Flange
A single-flanged assembly combines one bolted connection with a plain, bevelled, socket or spigot end.
Double-Flanged UNS N08825 Puddle Pipe Flange
A double-flanged assembly provides bolted connections on both sides of the concrete penetration.
Flange-and-Spigot Assembly
A flange-and-spigot configuration supports systems that require different connections at each end.
For a broader comparison, review our design and material guide.
UNS N08825 Material and Fabrication Selection
The correct specification depends on the process medium, impurities, temperature, joining method and required service life. Therefore, review these factors before approving production:
Alloy 825 Identity
UNS N08825 identifies a nickel-iron-chromium alloy; material certificates should confirm the chemistry, properties and ordered product specification.
Corrosion Assessment
Alloy 825 performs differently across acids, chlorides and other media. Accordingly, the project materials engineer should assess the complete chemistry and temperature.
Compatible Product Forms
Pipe, plate, flanges, fittings and filler metal should follow the approved bill of materials and fabrication specification.
Clean Fabrication
Dedicated handling, suitable tools and project-defined cleaning help limit surface contamination during cutting, forming and welding.
Selection note: The UNS number alone does not complete the design. Also confirm the material standard, product form, dimensions, fabrication procedure, service conditions and acceptance criteria.
UNS N08825 Puddle Pipe Flange Manufacturing and Installation Process
A controlled sequence connects approved dimensions with material identity, fabrication and site position.
Review the Drawing
First, confirm pipe data, plate dimensions, assembly length, ends and inspection requirements.
Verify Materials
Next, match pipe, plate, fitting and flange materials with the approved bill of materials.
Prepare Components
Then, cut the pipe and plate and prepare all required openings, edges and connection ends.
Fit and Attach
Fabricators set the water-stop position and complete the approved welded, bonded or mechanical attachment.
Inspect and Finish
Afterwards, inspectors check dimensions, joints, ends, surface treatment and identification.
Set in Concrete
Finally, installers support the assembly while workers consolidate concrete around the complete plate.
UNS N08825 Puddle Pipe Flange Quality Control and Testing
Inspection should address the manufactured product and its final position before concrete placement. Accordingly, typical checks include:
Material Traceability
First, markings and certificates connect each component with the approved specification.
Dimensional Verification
Next, inspectors verify pipe OD, length, plate geometry, position and connection orientation.
Attachment Examination
Moreover, the team checks the specified weld, bond, clamp or mechanical joint.
Pre-Pour Inspection
Finally, site personnel verify line, level, support, reinforcement clearance and concrete access.
UNS N08825 Puddle Pipe Flange Applications
Projects may specify Alloy 825 assemblies where a concrete penetration also faces a demanding chemical or marine environment. Subject to the project corrosion assessment, applications can include:
- Tank inlet, outlet, drain and overflow penetrations
- Fire-water tank and pump-room connections
- Concrete wall and basement penetrations
- Slab and foundation penetrations
- Drain and wastewater services
- Water-treatment, chemical-processing and industrial utility structures
- Marine, coastal, process pits, sumps and containment structures
For the water-stop design context, review our pipe-penetration waterproofing guide. In addition, the independent WBDG below-grade systems guide explains broader moisture-control considerations for concrete structures.
Information Required for a UNS N08825 Puddle Pipe Flange Quote
Send a drawing or provide the following information for an accurate technical and commercial review:
- Structure and penetration application
- Pipe nominal size, actual OD, wall thickness and material specification
- Plate OD or width, radial projection, thickness and product specification
- Plate location and concrete thickness
- Complete assembly length and end projections
- Plain, threaded, socket, spigot or flanged ends
- Process medium, impurities, pressure, temperature and external exposure
- Surface condition, cleaning and contamination-control requirements
- Inspection, NDT, testing and documentation scope
- Quantity, delivery location and required schedule
UNS N08825 Puddle Pipe Flange Frequently Asked Questions
What is a UNS N08825 puddle pipe flange?
It is a fabricated Alloy 825 pipe section with an integral projecting water-stop plate for installation through concrete.
Where is a UNS N08825 puddle pipe flange used?
Projects use it in tanks, walls, slabs, basements, pits, treatment structures and other concrete pipe penetrations.
Can it connect to adjoining pipework?
Yes. The assembly may include plain, bevelled, threaded, socket, spigot or flanged ends according to the specified piping system.
Is UNS N08825 the same as Alloy 825?
UNS N08825 is the Unified Numbering System designation commonly associated with Alloy 825. The purchase order should still state the complete product specification.
How do I select the correct size?
Confirm the actual pipe OD, wall, plate dimensions, concrete thickness and assembly length instead of relying only on nominal size.
Does it replace a waterproofing membrane?
No. It controls the embedded pipe interface, while membranes, waterbars, linings and pipe-joint seals address other leakage paths.
What information is needed for a quote?
First, send the drawing or pipe data. Then, include the plate geometry, material, connections, finish, inspection, quantity and delivery requirements.
Request a Custom UNS N08825 Puddle Pipe Flange Quote
Send Mesta Inc. your pipe dimensions, puddle plate details, material, drawing, quantity, inspection scope and delivery requirements. Then, our team will review the enquiry and confirm the appropriate manufacturing scope.