3/4" Black Rubber Tubing - Where oh where has it gone???

Ed McCauley · Aug 2, 2024

My rotating Sprinkler Heads have 3/4" PVC screw-in input fittings. A flexible connection from the heads to the 3/4" PVC supply line is a requirement. Stepping down to 1/2" PVC and reducing water flow rate is unacceptable. It's been a lot of years since I have replaced a major section of my irrigation system and 3/4" flexible black rubber hose was carried by everyone back then. Now all I can find is stiff black 1/2" plastic tubing or "swing" and "funny" pipe.

Does anyone actually carry the good old 3/4" flexible black rubber hose? It must fit inside a 3/4" PVC fitting, so the OD must match the 1" OD of 3/4" PVC pipe. High temperature/food safe transparent hose is available at high, high, high prices, and seems like a gamble that it would fit. A 25' length would be best.

Any help is greatly appreciated...

GCoco · Aug 2, 2024

I use 1” SCH40 PVC and these for each head. The short length does not impede flow or pressure unless you are putting out 10gpm from the head.

There are many adapters out there to convert from SCH40 to whatever tubing you have.

Ed McCauley · Aug 2, 2024

Thanks for the reply. It is labeled as 1/2" x 3/4" so I would expect one end connector to be 1/2" and the other 3/4" but in the specs it states "Constructed of ABS 1/2" MPT ends..." and there is no mention of length. I'm surprised they don't make this with 3/4" pipe as well.

I don't know what my flow rate is, but it is noticeably less with even a short 1/2" reduction, so I'm not ready to give up entirely on 3/4". No thoughts as to any suppliers of rubber?

3/4" Black Rubber Tubing - Where oh where has it gone???

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