Irrigation
Runte RT-8070/A/B Pressure-Compensating Drippers
Runte's RT-8070 family has three pressure-compensating drippers. The base RT-8070 comes in 4 or 8 L/h. RT-8070A and RT-8070B each come in 2, 4, 6 or 8 L/h. All three are listed for 1.0–3.0 bar. The catalogue photos show a black RT-8070, a yellow-top A and a blue-top B, but give no colour-to-flow key. Order by full code and flow. Then send Runte your tube size and line pressures, and ask for the connection drawing and flow curve of the version you choose.
Ningbo Runte Irrigation Equipment ↗
Build my procurement briefChoosing code and flow
The base RT-8070 has two flow choices; A and B have four each. Runte shows one photo per code, so the colour in the photo cannot tell you the flow. Write the full code and flow in your enquiry and ask how the delivered dripper is marked. Ask also what the A and B suffixes change. The main image on this page is the base RT-8070.
| Code | Flows and photo colour |
|---|---|
| RT-8070 | 4 or 8 L/h; black in the catalogue photo. |
| RT-8070A | 2, 4, 6 or 8 L/h; yellow upper body in the photo. |
| RT-8070B | 2, 4, 6 or 8 L/h; blue upper body in the photo. |
Flow and watering time: a quick comparison
Volume divided by flow gives running time. The table uses a 2-litre example and assumes each dripper delivers exactly its rated flow. Your real watering time comes from your crop's needs and the flow measured on your line.
| Flow | Time to deliver 2 litres at that flow |
|---|---|
| 2 L/h | 60 minutes; A and B only. |
| 4 L/h | 30 minutes; all three codes. |
| 6 L/h | 20 minutes; A and B only. |
| 8 L/h | 15 minutes; all three codes. |
Sources [1]
Published specifications
Read each value with its stated conditions, and ask the manufacturer for any limit not listed here.
| Specification | Published value | Meaning / limit |
|---|---|---|
| Codes | RT-8070 / RT-8070A / RT-8070B [1] | Three catalogue entries. Ask Runte what distinguishes A from B. |
| RT-8070 flows | 4 or 8 L/h [1] | Two fixed flow versions. |
| RT-8070A/B flows | 2, 4, 6 or 8 L/h for each code [1] [3] [4] | Four fixed flow versions per code. Ask how each flow is marked on the dripper. |
| Pressure | 1.0–3.0 bar for all three entries [1] | Catalogue figure. Ask for the compensation range, temperature limits and flow curve of your version. |
| Connections | Not published in these entries [1] [2] [3] [4] | Photos show an inlet barb and an outlet. Ask for tube size and insertion data. |
| Colours in the photos | Black RT-8070; yellow-top A; blue-top B in the displayed photos [2] [3] [4] | Appearance only. Ask Runte to confirm code and flow markings. |
Inlet, outlet and mounting
The photos show a top outlet, a tapered barb underneath and side wings. They give no dimensions. Get a drawing from Runte before you choose a tube or punch.
Inlet on the lateral
Give the tube or pipe material, outside diameter and wall. Ask for the barb dimensions, hole size, insertion depth and fitting instructions.
Outlet
Say whether water drips straight out or goes on through a capillary or arrow stake. Ask for the outlet size and matching parts.
Revision and spares
Confirm the code and flow marking and the drawing revision. Ask whether the cap or any seal can be opened for cleaning.
Mounting
Ask for the allowed mounting position, capillary length and access for service.
Pressure at the outlets
All three codes are listed in Runte's pressure-compensating range at 1.0–3.0 bar. The entries give no flow curve, compensation accuracy, temperature effect or low-pressure behaviour for each flow version, so ask for those for the version you buy.
Send your layout, elevation changes, pipe lengths, outlet count and supply conditions to Runte or your designer. Ask for the flow curve of your code and flow, and the pressure band where it holds. Pressure at the pump or header is higher than at the last dripper, so check the far end of each line. Friction loss in the lateral is one cause, explained in our guide to specifying irrigation hose and pipe. A, B and the base model share the pressure figure; ask Runte before mixing them on one line.
Sources [1]
Water, shutdown and delivery check
These entries give no filtration figure, chemical compatibility, anti-drip pressures, lot inspection or packing. Ask for whichever of these your installation needs. Where part of the farm suits overhead watering instead, Runte also offers the RT-9816 and RT-9821 rain guns. Our irrigation category brings together other makers for a side-by-side check. Runte's TOLV test report covers a different emitter; ask whether it applies to any RT-8070 version.
Water and filtration
Give water quality and fertiliser use. Ask for the filtration grade, cleaning routine and replacement interval for this dripper.
Shutdown
If the line must stay full after shutdown, ask whether an anti-drain version exists and at what pressure it closes.
Delivered goods
Check code, flow marking, connections, quantity and included parts against the order. Ask for packing, stock, delivery and spare terms.
Flow check
Agree test conditions and sampling with Runte and compare measured flow with the ordered rating.
Buyer questions
Is a yellow RT-8070A always 2 L/h?
Runte publishes no colour-to-flow key, and A comes in four flows. Confirm the version and its marking. [1] [3]
Can I get the base RT-8070 at 6 L/h?
The base entry lists 4 and 8 L/h. 6 L/h is listed for A and B; ask Runte for anything else. [1]
Can the flow be adjusted?
Each flow is a fixed version. No adjustment range is listed. [1]
Will every dripper give the same flow between 1.0 and 3.0 bar?
That is the listed compensation band. Ask for the flow curve of your version and check pressures along your lines. [1]
Prepare a model-specific brief
Write your actual conditions below. This local worksheet is not sent, uploaded or saved after reload. Copy or print it before leaving.
Sources
Specifications come from the manufacturer's publications listed below, with the date each was checked.
- Official RT-8070, RT-8070A and RT-8070B catalogue entries
manufacturer · Checked 2026-10-11
Three entries at 1.0–3.0 bar; RT-8070 in 4/8 L/h, A and B in 2/4/6/8 L/h.
- Official image of RT-8070
manufacturer · Checked 2026-10-11
Black dripper with wings, top outlet and bottom barb.
- Official image of RT-8070A
manufacturer · Checked 2026-10-11
Yellow upper body on a black base.
- Official image of RT-8070B
manufacturer · Checked 2026-10-11
Blue upper body on a black base.
Report a correction through our contact form, quoting RT-8070 / RT-8070A / RT-8070B and the relevant specification.