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China Plastic Quick-Coupling Valves - Durable, Anti-Leak Irrigation Solutions from Trusted Suppliers and Factory
PRODUCT DESCRIPTION
RAIN LING Plastic Quick-Coupling Valves Series provides a convenient and efficient way to draw water directly from your irrigation line. Designed for professional and residential irrigation systems alike, these valves offer instant access to water for hand watering, testing, or maintenance—without the need to cut or reconfigure the system.
Each valve features a spring-loaded internal seal that opens only when the key or coupler rod is inserted, ensuring safe and leak-free operation. The body is constructed from high-strength PP plastic, resistant to UV radiation, corrosion, and mechanical stress, guaranteeing reliable performance even in harsh outdoor environments.
Four-Piece Sets (RL-VQ75 / RL-VQ100)
- Key-rod interlock mechanism prevents accidental water release.
- Ideal for turf and golf course maintenance, landscape irrigation, or cleaning equipment.
- Available in 3/4" (DN20) and 1" (DN25) connection sizes.
Three-Piece Sets (RL-VQ75A / RL-VQ100A)
- Includes valve body, water key, and fixing plate, ensuring simple installation and compact structure.
- Designed for smaller irrigation zones or garden applications.
- Valve remains securely closed until the key is inserted.
- Durable plastic ensures stability under pressure and easy replacement.
With working pressure from 2 to 8 kg (≈29–116 psi), this series ensures stable flow control and quick connection in all types of irrigation environments. Whether used in parks, golf courses, or home gardens, Rain Ling’s Quick-Coupling Valves combine efficiency, safety, and reliability—an essential component for any modern irrigation network.
PRODUCT SPECIFICATIONS
| Model No. | Type | Connection Size | Material | Components | Working Pressure | Warranty |
|---|---|---|---|---|---|---|
| RL-VQ75 | Four-Piece Set | 3/4" (DN20) | PP Plastic | Valve Body + Key Rod + Elbow + Connector | 2–8 bar | 3 years |
| RL-VQ100 | Four-Piece Set | 1" (DN25) | PP Plastic | Valve Body + Key Rod + Elbow + Connector | 2–8 bar | 3 years |
| RL-VQ75A | Three-Piece Set | 3/4" (DN20) | Plastic | Valve Body + Water Key + Fixing Plate | 2–8 bar | 3 years |
| RL-VQ100A | Three-Piece Set | 1" (DN25) | Plastic | Valve Body + Water Key + Fixing Plate | 2–8 bar | 3 years |
Detail Display
Frequently Asked Questions (FAQ)
What is the working pressure range for these quick-coupling valves?
The working pressure ranges from 2 to 8 bar (approximately 29 to 116 psi), ensuring stable flow control and quick connection in various irrigation environments.
What connection sizes are available for the RAIN LING series?
The quick-coupling valves are available in two connection sizes: 3/4" (DN20) and 1" (DN25) to fit standard irrigation pipelines.
What is the difference between the Four-Piece and Three-Piece sets?
The Four-Piece set (RL-VQ75 / RL-VQ100) includes a valve body, key rod, elbow, and connector. The Three-Piece set (RL-VQ75A / RL-VQ100A) includes a valve body, water key, and fixing plate.
How does the internal seal prevent leaks when the key is not inserted?
Each valve is designed with a spring-loaded internal seal that remains securely closed and only opens when the key or coupler rod is inserted, preventing accidental water release.
Are these valves durable enough for harsh outdoor environments?
Yes, the valve body is constructed from high-strength PP plastic which is highly resistant to UV radiation, chemical corrosion, and mechanical stress.
What is the warranty period for the RAIN LING Quick-Coupling Valves?
All models in this quick-coupling valve series (RL-VQ75, RL-VQ100, RL-VQ75A, RL-VQ100A) come with a 3-year warranty.