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Your cart is empty.The single-tube impeller type observer, also known as the impeller sight glass, is a necessary accessory to observe the flow of the medium in the pipeline. The impeller sight glass is widely used in industrial production equipment such as petroleum, chemical industry, chemical fiber, medicine, food, etc. It can observe the flow reaction of liquid, gas, steam and other media at any time, and is an indispensable accessory to ensure normal production
Jon
2025-09-01 18:43:39
Added barbed fittings and is easily added into coolant system to check for coolant flow and water pump operation. Many other uses. Good quality for the price.
joe sanchez
2025-07-31 13:34:55
shipping was in a timely manner and without any damage
maiU
2025-07-03 17:30:52
I installed this product to detect leaks. It works & fits as anticipated.
René
2025-06-23 20:14:18
Good quantity
AlexS
2025-06-20 10:34:13
Needs a very high flow in order to turn the paddles
Marcos R.
2025-06-15 10:02:09
I can see if water is being used in the house, as low as ~ 1 gpm. That's a guess though. There could still be a small leak and the wheel wouldn't turn. The construction is solid; has a hefty weight.
Crystal Houselog
2025-04-29 12:03:54
As described
Mike warrem
2025-04-01 11:45:14
Worked fine.
Micah Newman
2025-03-06 13:59:28
Prompt delivery. A good quality product. Works great in my application with hot engine cooling to see flow to heater trace system.
max
2025-02-26 20:43:32
Do its job
Clayton Blaney
2025-01-26 12:11:57
If you’re using for low flow scenarios this is not your gauge. Will stop turning once flow is decreased.
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