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The Tape Loc x .420 Barb w/ Valve is the professional's choice for adding individual row control to a drip tape system. This dual-purpose fitting acts as both a takeoff adapter and a manual shut-off valve, allowing you to isolate specific rows for maintenance, harvesting, or crop rotation without disabling your entire irrigation network.
By integrating a quarter-turn valve directly into your row start, you gain the flexibility to manage diverse crops with different watering needs on a single mainline. It is one of our most essential irrigation fittings for small farms and market gardens where precise water management and zone control are critical for crop health and yield.
Ensure proper system sizing and pressure management.
| Specification | Details |
|---|---|
| Product Type | Tape Loc x Barb Takeoff w/ Shut-off Valve |
| Connection 1 (Inlet) | .420 Barb (Direct Punch into Mainline) |
| Connection 2 (Outlet) | Tape Loc (Fits 5/8" Drip Tape) |
| Valve Type | Manual Quarter-Turn Shut-off |
| Operating Pressure | 0 - 15 PSI (Do not exceed tape rating) |
| Material | Polypropylene with UV Stabilizers |
| MPN | A2-TV5B420 |
| Common Brand Names | Irritec, Perma-Loc, Twist-N-Lok |
Follow these steps to integrate valves into your row crop layout.
Step 1: Punch the Mainline
Lay out your 1" (or larger) poly tubing. Use a .400 Barb Punch Tool (or compatible hole punch) to create a clean hole where you want your drip tape row to start.
Step 2: Insert the Barb
Ensure the valve handle is in the "off" position. Push the .420 barb end of the fitting into the punched hole until you feel or hear it snap into place.
Step 3: Prepare the Tape
Rotate the Tape Loc nut counter-clockwise (backwards) to expose the sharp tape barb. Slide your 5/8" drip tape over the barb until it hits the stop.
Step 4: Lock and Test
Twist the locking nut clockwise (forward) over the tape to secure the connection. Turn on your water source and rotate the valve handle to the "on" position to test for flow.
Verify your components before installation:
Optimize your drip tape rows with these essential accessories:
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