How Much Water Pressure Do You Need for Drip Irrigation? A typical drip irrigation system needs about 25 pounds per square inch (psi) of water pressure to function optimally, but many emitters rated at 25 psi will work well at pressures as low as 15 psi. What is Pressure Compensating? Pressure Compensating (PC) is an emitter that maintains the same output at varying water inlet pressures. Therefore, PC drip emitters compensate for uneven terrain, length of supply tube and varying inlet flows. PC drippers facilitate more controlled watering, as each drip emitter performs to a preset flow rate (e.g. 1 gallon per hour), allowing water emitted over a length of time to be easily calculated. This ensures more efficient watering, reducing the risk of overwater or underwater. Material: Plastic Flow Rate: 4GPH Barb Diameter: 6mm O.D. Nozzle Diameter: 4mm I.D. Total Size: 34x30mm / 1.3x1.2 inch (L*H) Multiple Application: How to Installation: Flag Dripper Here Faucet Quick Connector Here Barb Connector Here End Closure Cap Here Hose Connector Here Compression Fitting Here Add to Cart Buying Options Add to Cart Add to Cart Add to Cart Buying Options Customer Reviews 4.7 out of 5 stars 11 3.9 out of 5 stars 10 3.8 out of 5 stars 29 4.8 out of 5 stars 4 5.0 out of 5 stars 2 — Price $9.49$9.49 — no data $9.99$9.99 $7.49$7.49 $8.69$8.69 — no data Material Plastic Plastic Plastic Plastic Plastic Brass Size 4 Gallon per Hour / 16 Liter per Hour no data Male 1.5 Inch Long 3 Inch Long 1.5 Inch Long Fit for Tube Size 4/7mm 4/7mm 4/7mm 16PE 16PE 8mm Thread SIize X G1/2 G3/4 1/2BSPF X X 1/4 NPT
FEATURES
Flow Rate 4 Gallon per Hour / 16 Liter per Hour
Barb Diameter 6mm Outer Dia.; Working Pressure 1 to 3.5kg
Slow watering rate allows soil to absorb water more completely in the root zones of plants.
Self-piercing design, delivers the same uniform flow rate from beginning to end of tubing runs.
Installed 7 of these. 2 dont drip at all. 5 drip barely like less than a 1/4 gal per hour. Terrible. Return.Likely cause I have high pressure in the line. Pressure compensation on these isnt good.
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