Industry News

 A Venturi fertilizer injector has to be sized against the mainline flow, not the dripper flow.

How solenoid valves paired with rain sensors deliver precise automated zone control for irrigation.

When a landscape irrigation project grows beyond 30 zones—whether it is a municipal park system, a golf course, or an agricultural holding—the traditional multi-wire controller approach starts to break down. 

Sloped terrain presents a fundamental challenge in landscape irrigation

Commercial greenhouse operations running 8 to 32 irrigation zones have historically managed watering through electromechanical timers and manual valve operation, both of which require constant operator attention and which typically over-water by 30 to 50 percent compared to sensor-driven control. 

The headline figure on the rain-freeze-wind-skip sensor is straightforward — it can cut outdoor water use by roughly 40 percent on a residential irrigation system when paired correctly with a 24V solenoid valve manifold.

As a product manager specialising in irrigation system components, I spend a significant portion of my application support time working directly with distributors in New Mexico, Texas, and the broader southwestern United States.

Imagine a landscape maintenance contractor in São Paulo's outer ring waking up on a Tuesday in late August to find that the overnight municipal feeder trip reset every wired 24-VAC controller on the morning run.

South African and Chilean residential resort buyers selecting sprinklers for Cape Town Mediterranean-climate landscaping typically specify rotator sprinklers for medium-density planting and turf areas at 8-12 m head spacing with 10-13 mm/hr precipitation rate, and rotor sprinklers for large lawn areas and low-density planting beds at 12-20 m head spacing. 

Rain Ling has manufactured garden sprinkler, spray nozzle, solenoid valve, and irrigation controller products for over a decade from our 4,000+ square meter Yuyao facility.