40mm PVC, uPVC or CPVC
Provide the material, standard, pressure class and actual OD. In addition, specify the approved plastic-compatible attachment method.
Compact water stops made to the confirmed pipe OD
40mm Puddle Flange for Small-Bore Pipe Penetrations
Mesta Inc. manufactures 40mm puddle flanges for small service, drain and utility pipes passing through concrete. First, we confirm the actual pipe OD and material; then, we follow the approved water-stop dimensions and connection details.
40mm Puddle Flange for Small-Bore Penetrations
Small service pipes still create a continuous interface through a concrete wall or slab. Consequently, water can track along the pipe surface when the penetration faces moisture, groundwater or stored liquid.
A 40mm puddle flange adds a compact water-stop plate around the pipe. The plate extends into the surrounding concrete and interrupts the direct seepage route. Therefore, it supports the project's waterproofing detail without requiring an unnecessarily large opening.
Mesta Inc. manufactures 40mm collars and complete small-bore puddle flange pipe assemblies. Buyers can specify plastic or metallic pipe systems, subject to a compatible attachment method and an approved drawing.
Small-bore applicationA compact water stop serves 40mm-class service, drain and utility penetrations.
Actual OD confirmedWe check the pipe material and dimensional standard before setting the puddle flange bore.
Compact plate designThe drawing balances water-stop projection with reinforcement and concrete-clearance requirements.
Custom assembly endsProjects can specify plain, socket, threaded, bevelled or flanged ends where appropriate.
40mm Puddle Flange Dimensions and Specifications
The label “40mm” may describe a nominal pipe size or an actual outside diameter. However, different plastic and metallic pipe standards do not always share the same OD. Therefore, Mesta Inc. confirms the pipe system before manufacturing the bore and plate.
| Size description | 40mm; purchaser to state whether this identifies nominal size or actual outside diameter. |
|---|---|
| Pipe system | PVC, uPVC, CPVC, HDPE, mild steel, carbon steel, stainless steel or another approved material. |
| Pipe wall | Pressure class, SDR, schedule or actual wall thickness according to the selected pipe system. |
| Puddle plate OD | Drawing-defined total diameter or radial projection beyond the confirmed pipe OD. |
| Plate thickness | Project-specified thickness compatible with the base material and attachment process. |
| Assembly length | Length based on concrete thickness, required end projection and connection access. |
| End options | Plain, socket, threaded, bevelled or flanged ends where the pipe material and design permit. |
| Plate attachment | Approved welded, bonded, fabricated or mechanical method suitable for the pipe material. |
| Surface finish | Material-appropriate bare, painted, galvanized, passivated or project-defined finish. |
| Inspection | Dimensional, material, attachment and finish checks according to the order. |
Fit note: A 40mm label alone cannot confirm compatibility. Therefore, send the pipe material, applicable standard and measured OD before placing the order.
Pipe Options for a 40mm Puddle Flange
Small-bore systems use several materials and connection methods. Consequently, buyers should identify the exact pipe before selecting the water-stop arrangement.
40mm HDPE Pipe
State the PE grade, SDR and OD so the water-stop component matches the selected polyethylene system.
40mm Steel Pipe
For a welded assembly, define the steel grade, schedule, sleeve length, weld scope and corrosion protection.
40mm Stainless Steel Pipe
Where corrosion resistance matters, identify the stainless grade, wall thickness, finish and documentation requirements.
For grade-specific choices, review our stainless steel puddle flanges and MS puddle flanges.
Designing a Compact Water Stop for 40mm Pipe
A small pipe does not remove the need for adequate concrete placement around the plate. Therefore, the penetration detail should coordinate these requirements:
- Confirmed pipe OD: set the bore from the actual pipe system rather than the nominal label.
- Plate projection: provide the drawing-defined water-stop width around the pipe.
- Reinforcement clearance: prevent the plate from conflicting with bars or congested structural details.
- Concrete consolidation: leave enough space for concrete to surround the complete plate.
- Pipe alignment: support the small-bore assembly so site work does not bend or displace it.
- Connection access: preserve room for sockets, threads, unions or other planned joints.
Design responsibility: The project designer determines plate dimensions, embedment, structural clearance and waterproofing requirements. Afterwards, Mesta Inc. manufactures the component to the approved detail.
40mm Puddle Flange Fabrication and Installation
Small assemblies require careful handling because workers can move or bend them during formwork and concrete operations. Accordingly, the installation team should maintain secure alignment.
Identify the Pipe
First, confirm its material, standard, actual OD, wall thickness and planned site connection.
Confirm Plate Details
Next, verify the water-stop OD, thickness, position and attachment method against the drawing.
Fabricate and Inspect
Then, manufacture the assembly and check its bore, plate geometry, length and finish.
Set the Penetration
At site, position the pipe to the required line, level and projection through the formwork.
Secure the Pipe
Use suitable supports so reinforcement and concrete work do not disturb the small-bore assembly.
Complete the Connection
Finally, inspect the exposed ends before joining the service pipe and carrying out specified tests.
Quality Checks for a 40mm Puddle Flange
For a small-bore component, bore fit and plate alignment deserve particular attention. Therefore, the inspection scope should include the following checks.
Bore and Pipe Fit
Inspectors compare the component bore with the confirmed 40mm pipe OD and fit requirement.
Plate Alignment
They check plate OD, thickness, position and squareness relative to the pipe centreline.
Attachment Integrity
The team examines the welded, bonded, fabricated or mechanical joint as the specification requires.
Ends and Finish
Finally, inspectors review the connection ends, marking, surface finish and protective packaging.
Applications of 40mm Puddle Flanges
Projects use 40mm puddle flanges for smaller service and drainage penetrations through concrete. For example, applications may include:
- Small water-service entries through RCC walls
- Tank drain, sampling and instrument connections
- Sump, pit and inspection-chamber penetrations
- Utility lines through basement walls and slabs
- Small chemical dosing or treatment-plant lines
- Drainage and overflow connections
- Fire-water and pump-room auxiliary services
Additionally, buyers can review drain puddle flanges, concrete-wall penetrations and water-tank puddle flanges.
Information Needed for a 40mm Puddle Flange Quote
To quote the correct small-bore component, send these details:
- Pipe material, dimensional standard and measured OD
- Pressure class, SDR, schedule or actual wall thickness
- Concrete wall or slab thickness
- Required pipe or sleeve length
- Puddle plate OD, projection, thickness and location
- Approved plate-to-pipe attachment method
- Plain, socket, threaded, bevelled or flanged end details
- Service medium and relevant project specification
- Inspection, coating, documentation and packing scope
- Quantity, delivery location and drawing revision
40mm Puddle Flange Frequently Asked Questions
What is a 40mm puddle flange?
It is a compact water-stop component for a compatible 40mm-class pipe penetration. Its projecting plate helps interrupt water tracking along the pipe surface inside concrete.
Does every 40mm puddle flange fit every 40mm pipe?
No. PVC, HDPE and metallic pipe standards may use different outside diameters. Therefore, provide the pipe material, standard and measured OD.
Can you manufacture one for 40mm PVC or uPVC pipe?
Yes, subject to design and fabrication review. First, provide the pipe standard, pressure class and actual OD. Then, state the approved attachment requirement.
Can a 40mm assembly use threaded ends?
It may use threaded ends when the pipe material, wall thickness and project specification permit them. However, buyers should define the thread standard and connection arrangement.
How large should the puddle plate be?
The approved penetration detail should define its total OD or radial projection and thickness. Mesta Inc. then manufactures the plate to those dimensions.
Where can projects use a 40mm puddle flange?
Typical uses include small water services, tank drains, sampling lines, dosing lines, sumps and utility penetrations through concrete.
What information should I send for a quote?
Send the pipe standard, actual OD, wall, plate dimensions, assembly length, ends, material, attachment method, quantity and drawing.
Request a 40mm Puddle 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.