Underdrain Assemblies
swtwater.com Water’s Edge™
Z-style Top Mount Distributors
Water’s Edge™ Distributor System Kits are custom tailored to meet your specific application needs. Our design engineering expertise and more than 30 years experience ensure that you get the best distribution solution available.
SWT Z-style Distributor for Tanks with Top Mount Control Valves
Z-style Distributor Parts
SWT’s Water’s Edge Z-style Top Mount Distributors are manufactured of solid PVC bar stock and Schedule 80 PVC pipe. They are available with a 1.5-inch, 2-inch, or 3-inch socket riser tube port (riser tube available separately). All Z-style systems are intended for use in tanks with a blind bottom flange (bottom flange available separately). A slotted strainer is affixed to the bottom of the hub to eliminate dead zones between the closure and the hub.

Water’s Edge Distributor Systems are extra strong and durable for use with heavy filtration medias (gravel, sand, garnet) and can be used with a variety of regenerants including salt, caustics, acids, chlorine, etc. The collection screens (laterals) have 0.010 standard slotting for use with 50 mesh filter media or larger. They are designed to spread flow evenly across the filter bed to eliminate dead zones and to provide proper and even lift and separation during backwash.
Technical Specifications
Max. Recommended Operating Temperature: 140°F (60°C)
Max Recommended Operating Pressure: 150 psi
ΔP @ 5 ft./sec. Velocity: ≤ 2 psi
Materials (Standard): PVC
Materials (Available): CPVC, Polypropylene, PVDF, HDPE, etc.
Slot Width (Standard): 0.010 inch (0.254 mm)
Slot Width (Available): 0.008, 0.012, 0.016, 0.020, 0.032, 0.125 inch
Water’s Edge Z-style Distributors — Common Assemblies
SM-H1815Z-LR 18 inch 1.5 inch Socket
SM-H2115Z-LR 21 inch 1.5 inch Socket
SM-H2415Z-LR 24 inch 1.5 inch Socket
SM-H242Z-LR 24 inch 2 inch Socket
SM-H243Z-LR 24 inch 3 inch Socket
SM-H302Z-LR 30 inch 2 inch Socket
SM-H303Z-LR 30 inch 3 inch Socket
SM-H362Z-LR 36 inch 2 inch Socket
SM-H363Z-LR 36 inch 3 inch Socket
SM-H422Z-LR 42 inch 2 inch Socket
SM-H423Z-LR 42 inch 3 inch Socket
SM-H482Z-LR 48 inch 2 inch Socket
SM-H483Z-LR 48 inch 3 inch Socket
Custom sizes, configurations, and materials are our specialty. Contact SWT with your requirements.
(P/N SM-DSF6BLIND) Machined blind flange closure for tanks with 6-inch bottom flange connection, includes hardware and gasket.
Riser tubes (contact SWT for details)
Fiberglass tanks with 6-inch bottom flange connection.
Safe Water Technologies, Inc.
996 Bluff City Boulevard
Elgin, IL 60120 USA
Telephone: +1.847.888.6900
Facsimile: +1.847.888.6924
E-mail: info@swtwater.com

Last Updated: November 2, 2022