Micro In-Line Valves & Taps – Precision Flow & Pressure Control
Please note the above shipping is an estimation only. Actual shipping cost can be calculated on the checkout page.
Important shipping notice: This product is not stocked at our Thomastown, VIC warehouse and is dispatched from another local warehouse. Please allow approximately 1-2 weeks for it to reach us before it is ready for pickup or dispatch.
Micro In-Line Valves & Taps – Precision Flow & Pressure Control
Achieving a balanced irrigation system requires granular control over every individual line. Our Micro In-Line Valves provide the ability to fine-tune nutrient delivery to specific pots, zones, or propagation trays. These barbed taps are designed to be installed anywhere along your flexible micro-tubing, offering full on/off functionality and precise adjustment of pressure and flow to individual sprinklers or sprayers. Whether you are dealing with uneven plant growth that requires varying water volumes or simply need to isolate a section of your garden for maintenance, these horticultural-grade valves offer a reliable, leak-proof solution for custom fertigation control.
Best For: Controlling individual dripper flow, adjusting micro-sprayer pressure, isolating sections of an irrigation grid, and balancing nutrient delivery across uneven layouts.
Key Features
- Precision Flow Modulation: Features a smooth-operating dial that allows for total shut-off or minute adjustments to water volume, ensuring your plants receive exactly what they need without flooding.
- High-Tensile Barbed Connection: Engineered with aggressive, well-defined barbs that bite into the flexible tubing for a secure, high-pressure seal that prevents "blow-outs" during pump cycles.
- In-Line Versatility: Can be installed at any point in your 4mm or 6mm "spaghetti" line network, giving you the flexibility to place control points exactly where they are most accessible.
- UV-Stabilised Durability: Manufactured from premium, industrial-grade polymers designed to resist the degrading effects of intense HID/LED grow lighting and direct sunlight.
- Chemical & Salt Resistant: Constructed to handle the continuous flow of concentrated mineral fertilisers and pH adjusters without clogging or corroding internal mechanisms.
- Opaque Algae Prevention: The deep black pigmentation ensures no light enters the fitting, halting algae growth at the valve junction and protecting your emitters from organic blockages.
Available Configurations
- 4mm Valve (Bag of 50): Specifically designed for 4mm Micro Tube (Spaghetti Tube) and 4mm drip-line systems.
- 6mm Valve (Bag of 25): High-flow micro-valves for 6mm tubing, ideal for high-volume drippers and Hydro Halo setups.
Specifications
- Fitting Type: In-Line Barbed Tap
- Mechanism: Manual Twist-Dial Valve
- Compatibility: Flexible Micro-Tubing only (not for use with rigid risers)
- Material: High-Impact Polypropylene / ABS
- Colour: Black (Light-Proof)
Installation & Maintenance Tips
- Soft-Seal Technique: If you find the micro-tubing difficult to push onto the valve barbs, dip the end of the tubing in warm water for 5 seconds. This softens the plastic, allowing the valve to slide on effortlessly for a tighter seal as it cools.
- Pressure Balancing: Use these valves to restrict flow to plants closest to your pump. By slightly closing the valves on the "near" plants, you force more pressure to the "far" plants, ensuring a uniform drip rate across the entire system.
- Routine Testing: Periodically turn the valves fully off and on to ensure the internal mechanism remains free of mineral salt build-up, especially when using heavy organic or salt-based nutrients.
Ideal For (Uses)
- Isolating Unused Sites: Easily shut off water to empty pots or propagation zones without having to re-plumb your entire manifold.
- Sprayer Adjustment: Fine-tuning the spray radius of micro-jets to ensure water stays within the pot and doesn't wastefully saturate the grow room floor.
- Custom Manifolds: Creating professional-grade control boards where each feeder line can be manually adjusted for maximum precision.
| Size |
4mm Valve (Bag of 50), 6mm Valve (Bag of 25) |
|---|
Oversized Item Delivery Options
Since oversized items require special handling, we may need to provide a custom freight quote for your order and will contact you with an updated shipping rate.
Available options include:
✔ Delivery to your closest depot for pickup - default method
✔ Direct delivery - requires forklift on site
✔ Direct delivery with tailgate lift truck (extra fees apply)
✔ Forklift loading at our warehouse (no extra charge if you arrange your own freight)
✔ Direct truck delivery (available in Victoria)
Important Notes:
- Shipping costs vary by location and method
- Because of the forklift requirement, delivery to the nearest depot is the default option and will be the method used unless you contact us to request otherwise.
Business Delivery:
- Business delivery is available for commercial customers only
- If you select business delivery and your products are bulky, it is your responsibility to ensure you have appropriate equipment (including forklifts) to unload products from the delivery truck
- If you select business delivery and you are not a business, you risk your product not being delivered and may incur additional fees to retrieve your order
- Business delivery customers must provide a valid business address and contact information
- Additional fees may apply for failed delivery attempts due to lack of appropriate unloading equipment
Let us know your preference, and we'll arrange the best solution for you!
Important Note on Availability & Shipping
Our warehouse serves as our office and logistics centre rather than a retail showroom. Because we ship from multiple locations and manage high-turnover stock, not all items are available for immediate pickup.
Lead Times:
- In-Stock Items: Usually ready for dispatch the same day.
- Supplier-Dependent Items: Usually take 2–8 weeks to arrive, depending on supplier availability. Products from Adloheat may take 8–12 weeks to manufacture—they are made to order in Australia by a small business, and longer lead times reflect the care put into quality.
While we strive for fast delivery, some timelines are subject to supplier availability and are beyond our control. We appreciate your patience as we source the best quality gear for your project.
Biosecurity & Interstate Shipping Restrictions
Due to strict state biosecurity regulations, we are unable to ship some products to certain states and territories:
- Potting Mixes cannot be shipped to Western Australia (WA), the Northern Territory (NT), or Tasmania (TAS).
- Seeds cannot be shipped to Western Australia (WA).
Orders placed for these items to restricted states will be cancelled and refunded. It is the customer's responsibility to ensure that the items being ordered can lawfully be delivered to their state or territory.
We Offer the Best Prices
We are committed to offering our customers the best prices possible. If you find the exact same product advertised at a lower price elsewhere, we invite you to contact us and we will review your price match request.
Price Match Conditions:
- The competitor must be an Australian-based seller with a physical presence in Australia
- The product must be the exact same item with a matching SKU or model number
- The product must be in stock and available for purchase at the competitor
- The lower price must be publicly advertised and currently available (not a clearance, closeout, or discontinued item)
- Price matching excludes marketplace platforms including but not limited to Temu and Aliexpress
- Price matching requests must be made before purchase
How to Request a Price Match:
To request a price match, please contact us at sales@greenhousepolytunnels.com.au with a link to the competitor's product listing, or call us on 0418 438 774. Please include the product details and the advertised lower price. We will review your request and respond within 2 business days.
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