Steel Puddle Flanges
A steel plate flange welded around a pipe to form a water-stop where the pipe passes through a concrete wall, tank or structure — blocking water from tracking along the pipe.
Technical Data
| Steel Puddle Flanges — specification | |
|---|---|
| Size range | DN50–DN3000 |
| Material | Carbon steel (S235 / S355) |
| Plate | 6–20 mm to specification |
| Standard | To project |
| Welding | Continuous fillet, water-tight |
| Coating | Painted, galvanized or epoxy |
Drawing & Dimensions
Datasheet & Documents
The official Steel Puddle Flanges datasheet — specification, materials, standards and the complete dimension tables.
ISO 9001:2015 certified quality
How to Order
Also in This Range
Questions & Answers
What is a puddle flange?
A puddle flange, also called a water stop collar, is a plate welded around a pipe and cast into a concrete wall or slab. It lengthens the path water would have to travel along the pipe surface, stopping seepage through the penetration.
What is the difference between a steel and a rubber puddle flange?
A steel puddle flange is welded permanently to a steel pipe and cast in, suiting large diameters and structural penetrations. A rubber puddle flange is clamped around the pipe with stainless bands, so it fits pipes that cannot be welded — plastic, ductile iron or coated pipe — and accommodates slight movement.
What size range do you supply for steel puddle flanges?
DN50–DN3000. Other sizes can usually be supplied on request — send your requirement for confirmation.
What materials are offered?
Carbon steel (S235 / S355).
Is a technical datasheet available?
Yes — the official YTM Pipe datasheet with dimensions, materials and standards can be downloaded on this page.
How do I get a price?
Send size, specification and quantity through the Request-a-Quote form, WhatsApp or [email protected] — our team responds within one business day.
Steel Puddle Flanges. Specified. Checked. Delivered.
Manufactured and supplied to the governing standard, inspected and documented before dispatch.