Floor DrainsCast Iron
Specification floor drains featuring the patented double-drainage flange design—invented by Josam in 1914 and still the industry standard today. Series include the adjustable 30000 and the 32100 with its 9" round top, SUPER-FLO medium-duty anti-tilt grate, and WEJLOC non-puncturing flashing collar (cross-references Zurn Z551).
Product Specifications
Key Features
Common Applications
Floor Drain FAQs
Common questions about Josam Floor Drains
The double-drainage flange was patented by Josam in 1914 and remains the industry standard. It provides superior drainage by allowing water to enter from both above and below the floor surface.
Josam floor drains are available with round tops, square tops, and special application configurations. The Series 32100, for example, features a 9" round top with a SUPER-FLO medium-duty anti-tilt grate and a WEJLOC non-puncturing flashing collar.
Yes. The Josam Series 32100 floor drain is a published cross-reference for the Zurn Z551, making substitutions straightforward during specification or value engineering.
Yes, Josam floor drains are available with the Pre-Fab Base option for quick and secure installation, reducing labor costs and installation time.
Josam Model 100 floor drain with the double-drainage flange has been the industry standard since 1914, demonstrating over a century of proven performance.
Where Cast Iron Floor Drains Are Used
Related product types
- Catch basins — related point-collection drainage products.
- Trench drains — pair point drains with linear runs on large floors.
- Drainage grates — SUPER-FLO and other anti-tilt grate options.
Common applications
- Commercial kitchens and restaurants — wash-down floor drainage.
- Manufacturing facilities — heavy-duty mechanical-room drains.
- Hospitals — durable floor drains for clinical areas.
Need Commercial Floor Drainage?
Josam floor drains with the proven double-drainage flange provide reliable drainage for commercial applications. Pair them with Josam cast iron floor sinks for indirect-waste collection in food service areas.