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Action Machining 1 in. schedule-80 PVC female coupling (SKU 18-120), sealed O-ring and buttress thread, front view

Action Machining Action Manifold PVC Coupling — 1 in. (18-120)

Brand: Action Machining
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$16.00
$12.00
SKU 18-120
In Stock (42)

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The Action Machining 1 in. female PVC coupling (SKU 18-120) is a heavy-duty schedule-80 fitting engineered for irrigation manifold systems. It combines robust materials and user-friendly sealing for reliable, long-term performance.

  • Durable schedule-80 PVC: Thick, corrosion-resistant PVC construction for outdoor irrigation environments.
  • Sealed O-ring: Integrated O-ring provides a leak-resistant, tool-less installation and quick serviceability.
  • Buttress thread design: Threads form a strong mechanical seal that resists loosening under pressure.
  • High working pressure: Rated for demanding irrigation use — 235 psi maximum working pressure at 73°F.
  • Manifold-ready: Designed to add directly to existing or new manifold systems for easy expansion and valve replacement.

Simple to install and built for irrigation professionals and informed homeowners alike, this 1 in. coupling offers dependable sealing and rugged construction. Verify pipe sizing and thread compatibility before installation; contact the manufacturer for detailed system guidance.

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Frequently Asked Questions

What pipe size and connection does this coupling accept?
This is a 1 in. female PVC coupling (SKU 18-120). It mates with standard 1 in. PVC couplings and manifold ports.
How is the coupling installed?
Tool-less installation: the integrated O-ring seals on assembly; hand-tighten to seat the buttress threads and confirm a snug fit.
What is the working pressure rating?
Rated for demanding irrigation use — 235 psi maximum working pressure at 73°F, suitable for most landscape irrigation systems.
What material is the coupling made from and is it durable?
Constructed from thick schedule-80 PVC with corrosion resistance; built for rugged outdoor irrigation environments and repeated service.