20mm Full Port Ball Valve Low Flow Resistance Quick Operation
20 mm ball valve, full port low flow loss, 90° fast switch, brass/SS threaded for irrigation, water & refrigeration pipeline.
Description
The 20 mm ball valve serves as standard shut-off fitting for DN20 pipelines. Adopting full port ball valve full-bore design, it delivers ultra-low flow resistance. Only a 90° handle rotation realizes instant open/close operation. It is supplied in two mainstream body variants: brass ball valve and stainless steel ball valve.
The 2 piece ball valve split-body construction allows convenient on-site disassembly and maintenance, while threaded ball valve ends match most small-bore piping formats. It swiftly cuts off or resumes fluid flow with negligible pressure loss, ideal for long-term medium-low flow pipeline regulation.
Specification & Material Parameter Table
| Parameter Item | Detailed Specification |
|---|---|
| Nominal Size | 20 mm (DN20) |
| Body Structure | 2 piece ball valve |
| Body Material | CW617 Brass / 304 Stainless Steel |
| Connection Type | Internal & External NPT/BSP threaded ball valve |
| Port Design | full port (low flow resistance) |
| Working Pressure | 1000 WOG |
| Operation Angle | 90° Quick Quarter-Turn Switch |
| Seal Material | Aging-resistant PTFE Seat |
| Applicable Media | Irrigation Fertilizer Water, Cold Water, Refrigerant, Purified Water |
| Operating Temp. | -10℃ ~ 110℃ |
The full port internal channel maintains consistent diameter with connected pipes without local shrinkage, drastically cutting fluid pressure drop during circulation.
A simple quarter-turn of the handle fully opens or closes the valve, eliminating tedious multi-loop twisting to boost pipeline operation efficiency. Brass models offer cost competitiveness, while stainless steel variants feature superior corrosion resistance, suitable for pipelines carrying weakly acidic and alkaline irrigation liquids.
General Application Scenarios
Domestic water purification branch pipes, small refrigeration equipment, smart greenhouse irrigation systems, laboratory microfluid pipelines, floor heating branches, small aquarium circulation loops.
Practical Application Case
For the intelligent water and fertilizer integration renovation project at Shouguang Vegetable Expo Park, a massive batch of 20 mm ball valves was deployed on branch irrigation pipelines of contiguous solar greenhouses. The zone-divided drip irrigation system requires frequent switching of irrigation zones.
Thanks to the valve’s instant switch performance, operators can isolate water supply without long waiting periods. Meanwhile, the full port ball valve low-resistance design stabilizes fertilizer-water delivery flow, preventing insufficient water supply to front zones caused by valve shrinkage. The whole irrigation system achieves lower energy consumption, with no clogging or flow attenuation after long-term running.
Core Product Advantages
- Low Flow Resistance: Full-bore channel matches pipe inner diameter, greatly reducing fluid pressure loss during delivery.
- Instant Operation: Quarter-turn action completes opening & closing, raising maintenance efficiency for field equipment.
- Dual Material Options: Brass and stainless steel bodies available, threaded ends compatible with most small-bore pipelines worldwide.
