For underground irrigation systems,
HARCO makes fitting failures a thing of the past.

Conventional solvent-weld PVC fittings are prone to fail when subjected to the cyclical pressure surges that occur in golf course irrigation systems (and in other similar underground systems). But HARCO ductile iron fittings are extremely robust and are immune to the cracking, breaking, and blowouts that occur so often in PVC fittings.

HARCO’s deep socket bells keep PVC pipes captive while accommodating their contraction and expansion.

Proven in both laboratory testing and in decades of reliable service, HARCO products comply with major ASTM and AWWA performance standards.

Ductile Iron Fittings for IPS Pipe
HARCO's Push-on Joint Deep Bell Ductile Iron Fittings offer the best possible balance of strength, ductility, and resistance to impact and corrosion.

Swivel Joint Lateral Connection System
Complete system of high-strength, easy-install DI components, including 360° orientation of swivel joints, lateral 90°, nipples, and DI and pressure-rated PVC adaptors.

PVC Fittings for IPS Pipe
A full line of reducers, tees, adapters, and other specialized fittings – plus the industry’s simplest, quickest repair coupling. All comply with stringent ASTM standards, and are NSF-approved for use in potable water systems.

Joint Restraints
Solid ductile-iron restraints help maintain secure connections between pipes, fittings, and valves. In many installations, these restraints offer enough strength and support to eliminate the need for concrete thrust blocks.

Lateral Isolation Valve
HARCO Lateral Isolation Valves are resilient seated angle valves equipped with the HARCO Swivel Joint and Knuckle Restraint making for quick and problem free connections that are easy to seal and orient unlike NPT pipe joints.