Where are the FKM seals in this flow meter?

There are PVC ends that attach to the acrylic body and the your piping would attach to the PVC ends. The seals are where the PVC ends meet the body of the rotameter.

What is the minimum length of lead in pipe required to maintain a flow profile at the specified worst case accuracy?

It is good practice to approach the flowmeter inlet with as few elbows and restrictions as possible. The inlet piping should be as large as the connection to the flow meter. Length of inlet piping makes little difference for normal pressure fed flowmeters. Discharge piping should also be as large as the flowmeter connection and should not have an elbow or restriction immediately after the rotameter. For water flowmeters, water is generally incompressible and moderate back pressure will not affect the accuracy of the rotameter as calibrated.

is this suitable to be used to meter liquid fertilizers?

Most likely no. These are calibrated to the specific gravity of water, (1.0) whereas the specific gravity of fertilizer would probably be around 1.5-1.8? It would depend on the makeup of the fertilizer. We are a manufacturer, so if you knew the specific gravity of the fertilizer we could custom make rotameters and calibrate it to your specific gravity.

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PRM 2-20 GPM Water Rotameter Flow Meter, 1 Inch Female NPT Connection, Acrylic Body with PVC End Tails, 316 SS Plunger & Travel Rod, Viton Seals, Max Pressure 85 PSI, Max Temp 125°F, ±4% Accuracy

PRM 2-20 GPM Water Rotameter Flow Meter, 1 Inch Female NPT Connection, Acrylic Body with PVC End Tails, 316 SS Plunger & Travel Rod, Viton Seals, Max Pressure 85 PSI, Max Temp 125°F, ±4% Accuracy

Product ID: 30825311

💧2-20 GPM flow range

⚙️±4% precision accuracy

🛡️316 SS corrosion-resistant plunger

1700 kr

Duties & taxes included

In stock

Sold byAmazon DenmarkDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💧 Flow with confidence, measure with precision.

PLUG PLAY INTEGRATION - Standard 1-inch Female NPT connections make installation seamless in any water system setup.
ENGINEERED FOR ENDURANCE - 316 stainless steel plunger and travel rod resist corrosion and wear, extending meter lifespan.
SEALS THAT SEAL THE DEAL - Viton O-rings provide superior chemical and weather resistance, perfect for harsh environments.
BUILT TO BRAVE THE ELEMENTS - UV-resistant acrylic body and PVC tails deliver rugged durability for outdoor and industrial use.
PRECISION THAT POWERS PERFORMANCE - Achieve ultra-reliable flow readings with ±4% accuracy, ensuring your system runs flawlessly.

The PRM 2-20 GPM Water Rotameter Flow Meter combines precise ±4% accuracy with durable materials like UV-resistant acrylic, PVC end tails, and corrosion-resistant 316 stainless steel components. Designed for easy installation with 1-inch Female NPT connections, it withstands pressures up to 85 PSI and temperatures up to 125°F, making it ideal for reliable water flow monitoring in demanding industrial and outdoor environments.

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