Drip Anti-Drain Check Mini Valve DN6*6/DN6*7 PP/PE PN10/16 1

Drip Anti-Drain Check Mini Valve DN6*6/DN6*7 PP/PE PN10/16 2

Drip Anti-Drain Check Mini Valve DN6*6/DN6*7 PP/PE PN10/16 3

Drip Anti-Drain Check Mini Valve DN6*6/DN6*7 PP/PE PN10/16 4

Drip Anti-Drain Check Mini Valve DN6*6/DN6*7 PP/PE PN10/16 5

Drip Anti-Drain Check Mini Valve DN6*6/DN6*7 PP/PE PN10/16 6

Drip Anti-Drain Check Mini Valve DN6*6/DN6*7 PP/PE PN10/16 7

Drip Anti-Drain Check Mini Valve DN66/DN67 PP/PE PN10/16

Place of Origin:

China

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Support Sea freight

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L/C,D/A,D/P,T/T,Western Union,MoneyGram,OA

Lead Time:

1-10000(pieces):31(days),>10000(pieces):To be negotiated(days)

model number:

Anti Drainage Valve

brand name:

HYRT

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Head Code

Hexagon

Name

Mini Valve Anti Drainage Check Valve

Keyword

Anti Drainage Irrigation Valve

Diameter

DN 6*6,DN 6*7

Package

Carton Box

Color

white

Standard

DIN,BS,ANSI,JIS

Usage

Water Flow Medium

Application

Irrigation, Irrigation Pipe

Product name

Drip Irrigation Tool Mini Valve Anti Drainage Check Valve

material

Plastic, PP

place of origin

Shandong, China

type

Other Watering & Irrigation

Water-Saving Compact Durable Packaging

This Drip Anti-Drain Check Mini Valve DN6*6/DN6*7 (PP/PE, PN10/16) prevents backflow and water waste to improve irrigation uniformity and field water-use efficiency. Its compact DN6 quick-compression shape, lightweight black/green styling, smooth inner walls and durable PP/PE construction deliver easy, labor-saving installation, low pressure loss and decades-long reliability. Packaged in international export packing with OEM options, free samples and 24-hour technical and after-sales support, it’s a dependable choice in Other Tools.

Compact Durable Anti-Drain Valve

The Drip Anti-Drain Check Mini Valve DN6*6/DN6*7 is a compact PP/PE quick-compression fitting available in DN6×6 and DN6×7 with PN10/PN16 ratings and black or green finishes, offering lightweight, corrosion-resistant construction and smooth inner walls to reduce pressure loss. As a check valve for drip irrigation, it prevents backflow and drip drainage to save water, improve irrigation uniformity and reduce deep seepage while delivering long service life and low installation and maintenance costs. Its push-fit structure, excellent heat and impact resistance, and compatibility with existing lines make it a fast-to-install, reliable component among Other Tools for efficient agricultural and landscape irrigation.

Compact Drip Check Valve

The Drip Anti-Drain Check Mini Valve (DN6×6/DN6×7) is a PP/PE compression-fitting valve rated PN10/PN16 and available in black or green, designed to prevent backflow in drip irrigation systems. Lightweight and durable with smooth inner walls, it meets drinking-water standards, resists high temperatures and impact, offers easy installation and quick fitting, and provides an expected service life of at least 50 years. This component is categorized under Other Tools for irrigation systems and helps improve irrigation uniformity while reducing deep seepage.

◎ Compact Anti-Drain Valve

◎ Durable PP/PE Construction

◎ Efficient Irrigation Performance

Reliable Compact Backflow Protection

Crafted from UV-stable PP/PE and rated PN10/16, the Drip Anti-Drain Check Mini Valve DN6*6/DN6*7 combines a compact DN6 design with precision molding and strict quality control from a reputable brand to deliver corrosion-resistant, long-lasting performance. Designed as an anti-drain check for drip irrigation, it prevents backflow and post-shutdown drainage while maintaining low pressure loss and simple push-fit or threaded connections compatible with Other Tools and drip kits. Key features and advantages include compact lightweight construction, reliable one-way sealing, easy inline installation, chemical and UV resistance, consistent flow regulation under PN10/16 conditions, and economical maintenance that improves system health and crop uniformity.

Material introduction

Made from high-grade PP/PE compounds, the Drip Anti-Drain Check Mini Valve (DN6×6 / DN6×7, PN10/PN16) provides excellent chemical resistance, high impact strength and bacteriological neutrality suitable for potable irrigation systems. Its smooth inner walls and low thermal conductivity reduce pressure loss and provide heat insulation while the lightweight, corrosion-resistant construction ensures easy installation and an extremely long service life. This compact component fits neatly into Other Tools assortments, offering quick compression fittings in black or green for efficient, low‑maintenance drip irrigation.

◎ Corrosion-Resistant Polymer

◎ Low-Thermal-Conductivity Blend

◎ Impact- and Weather-Resistant Valve

FAQ

What is the "Drip Anti-Drain Check Mini Valve DN6*6/DN6*7 PP/PE PN10/16" and how does it work?

It is a small inline check (non-return) valve designed for drip and micro‑irrigation lines. The valve allows water to flow in the intended direction during irrigation and automatically closes when pressure drops, preventing downstream water from draining back out of the system. This keeps low points and emitters primed and prevents line emptying when the system is turned off.

What do DN6*6 and DN6*7 mean, and what are PP and PE materials?

DN6*6 and DN6*7 refer to the connection sizes/configurations for small-diameter drip tubing (typically 6 mm and a variant with a 7 mm fitting). PP means polypropylene and PE means polyethylene—both are common, UV-resistant plastics used for irrigation fittings. They are lightweight, corrosion-resistant and suitable for most agricultural and landscape irrigation applications.

Where and when should I use this mini check valve?

Use it in drip lines, lateral lines, micro‑sprinkler runs, low points, or long downhill stretches to stop water from draining when the system is off. It’s also useful near emitters or manifolds to keep lines charged and to reduce air entry. It is commonly used in irrigation, greenhouse systems, nurseries and small-scale fertigation setups (but not as a sole potable backflow prevention device).

What pressure and temperature conditions does PN10/16 mean, and is it compatible with typical drip systems?

PN10 and PN16 indicate nominal pressure classes (10 bar and 16 bar) for different versions or models. Drip systems normally run at low working pressures (0.2–3.0 bar), so either PN10 or PN16 versions are more than adequate for pressure capacity. PP/PE valves are typically suitable for standard outdoor irrigation temperatures; avoid prolonged exposure to extreme heat or freezing conditions—follow the manufacturer’s temperature specifications.

How do I install and maintain the valve for reliable operation?

Install in-line following the flow arrow and ensure a clean, debris‑free line—flush the system before fitting. Use appropriate 6 mm/7 mm tubing or adapters, push-fit or glue as recommended, and avoid overtightening. Always place a filter upstream to prevent particles from jamming the valve. Maintenance is minimal—periodically inspect for debris, freeze damage or wear; if the valve fails to seal, remove, clean or replace the internal part as needed.

Troubleshooting and safety: what if the valve leaks or I need backflow protection to potable water?

If the valve leaks when the system is off, common causes are trapped debris, incorrect orientation, damaged internal seals, or pressure spikes. Stop the system, remove the valve, inspect/clean or replace it. For connections to potable water, do not rely solely on this check valve for backflow prevention—local regulations may require certified backflow prevention devices or air gaps. Use the check valve for anti‑drainage and line priming, and add certified backflow prevention where required.

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