Cross, Slip x Slip x Slip x Slip PVC Schedule 40 1/2" (420-005)

This 1/2" Schedule 40 PVC Cross Fitting provides four-way inline branching in solvent-cement PVC piping systems at the smallest standard socket pipe size, allowing a single 1/2" pipe run to split or intersect in two directions simultaneously from a common center body. Constructed in white Schedule 40 PVC, it offers reliable performance in small-bore irrigation, instrument distribution, chemical injection, and light industrial fluid handling applications where a compact, corrosion-resistant four-port junction is required at 1/2" nominal pipe size.

All four ports — both inline run ends and both perpendicular branch outlets — accept 1/2" PVC pipe for permanent solvent-cement bonds, creating a rigid, leak-free assembly at each joint. The cross configuration is particularly well-suited for small-bore grid-layout distribution manifolds, micro-irrigation lateral headers, instrument supply distribution assemblies, and chemical injection distribution systems where two perpendicular 1/2" pipe runs must intersect at a single fitting rather than being constructed from multiple tees and nipples at the same junction point. At 1/2", the cross fitting is most commonly encountered in specialized small-bore applications — micro-drip and subsurface irrigation grid headers, chemical dosing distribution manifolds, instrument air and fluid distribution assemblies, and light industrial process water lateral distribution systems — where the reduced diameter serves dedicated small-bore service runs rather than the full-flow mainline and zone lateral applications served by the larger 420 series entries at 3/4" and 1". Consolidating the four-way junction into a single fitting reduces overall fitting count and minimizes potential leak points compared to a multi-tee assembly at the same small-bore intersection, with particular value in compact manifold assemblies where fitting body size at 1/2" allows tight spacing between ports.

Rated to approximately 600 psi at 73°F, this cross fitting handles the pressure demands of standard small-bore commercial and light industrial water distribution and instrumentation service at a pressure rating higher than any larger confirmed 420 series entry, reflecting the inverse relationship between nominal pipe size and pressure capacity in PVC Schedule 40 socket fittings. Its PVC composition provides excellent resistance to corrosion, scale, chlorinated water, and a broad range of chemical exposures, making it a long-lasting alternative to metal fittings in moisture-prone or chemically active environments. NSF/ANSI 61 listing confirms suitability for potable water contact.

Apply solvent cement to both the pipe end and fitting socket per ASTM D2564 procedures at each port, using a primer appropriate for the pipe and fitting schedule. Insert pipe fully into each socket and maintain a quarter-turn during assembly for even cement distribution across the joint surface. Work through all four joints systematically and allow adequate cure time before pressurizing the system. Derate pressure ratings for elevated temperatures per published derating curves.

Specifications:

Industries & Applications:

• Drip & Micro-Irrigation Systems — Creates four-way junctions in small-bore micro-irrigation lateral headers, subsurface drip distribution grids, and dedicated 1/2" service line manifolds in residential, commercial, and agricultural drip systems where 1/2" is the standard small-bore lateral and drip emitter supply diameter and four-way intersections at grid corners eliminate multi-tee assemblies throughout the compact distribution layout
• Chemical Handling & Injection — Provides compact four-port distribution junctions in 1/2" chemical dosing manifolds, injection distribution headers, and small-bore chemical feed assemblies in water treatment, chemical processing, and agricultural chemical application systems where a single four-way junction fitting distributes dosing flow to multiple branches from a common small-bore manifold body
• Instrument & Process Piping — Serves as a compact four-port junction in 1/2" instrument supply distribution manifolds, sample system distribution headers, and small-bore process fluid distribution lines in manufacturing, laboratory, and water treatment facilities where grid-layout or manifold-style distribution of instrument air, sample fluid, or process water requires four-way branching at a common small-bore service diameter
• Commercial Plumbing — Distributes 1/2" supply lines to multiple dedicated service connections from a single inline location in pressurized small-bore PVC supply systems, reducing fitting count versus multi-tee assemblies at four-way junction points in commercial building water distribution networks where 1/2" pipe serves dedicated low-flow fixture and equipment supply runs
• Water Treatment & Aquaculture — Used in small-bore recirculating system manifolds, chemical dosing distribution headers, and aeration supply distribution grids at 1/2" line sizes where corrosion resistance, NSF/ANSI 61 compliance, and a compact four-way junction are required at distribution intersection points throughout compact all-socket assemblies
• HVAC & Mechanical Systems — Branches 1/2" chilled water, treated water, or chemical feed distribution lines at four-way intersections in compact mechanical system installations where Schedule 40 PVC pressure ratings are appropriate and small-bore grid-layout or manifold distribution requires four-way junction fittings at intersection points along the 1/2" service distribution network