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Water flow confirmation pipe
fitting Visibility Joint
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Both ends function as coupler joints that can be connected to other pipes,
and in the center there is an imitation solid of revolution,
which turns to show the fluid pressure.
The area around it is colored with fluorescent paint,
so you can see the direction of flow, and get a sense of the volume as well.
This joint can be set up anywhere in the middle of your plumbing systems,
allowing you to check the flow rate at any position.
It can even be used inside machinery, in tight spaces,
or by remote control for observation of elevated areas that can't be seen directly.


If you'd like to see a real-life video of our product in action, please input this address.
//youtu.be/ggE8Bd4aVYE
Type P

| Model | S | A | B | C | D | L | E | F | H | minimum flow requirement (except PCV model) | Pb | PH | PG | PF | PCV model minimum flow requirement |
| P-1/8 | PT1/8" | 19 | 65 | 6 | 10 | 97 | 26 | 19 | 5 | 0.7L/min | Yes | No | Yes | Yes | Yes 3L/min |
| P-1/4 | PT1/4" | 19 | 65 | 6 | 14 | 105 | 26 | 19 | 6.5 | 0.7L/min | Yes | No | Yes | Yes | Yes 3L/min |
| P-3/8S | PT3/8" | 22 | 70 | 7 | 16 | 116 | 28 | 23 | 8 | 2L/min | Yes | No | Yes | Yes | Yes 5L/min |
| P-3/8L | PT3/8" | 25 | 80 | 8 | 16 | 128 | 32 | 26 | 8 | 2L/min | Yes | Yes | Yes | Yes | Yes 5L/min |
| P-1/2 | PT1/2" | 32 | 90 | 9 | 19 | 146 | 36 | 32 | 10 | 3L/min | Yes | Yes | Yes | Yes | Yes 8L/min |
| P-3/4 | PT4/3" | 38 | 100 | 10 | 21 | 162 | 40 | 38 | 15 | 5L/min | Yes | Yes | Yes | Yes | Yes 10L/min |
| P-1 | PT1" | 44 | 115 | 11 | 23 | 183 | 46 | 46 | 20 | 9L/min | No | No | Yes | Yes | Yes 15L/min |
| P-11/4 | PT11/4" | 50 | 130 | 12 | 27 | 208 | 50 | 50 | 25 | 13L/min | No | No | Yes | Yes | Yes 20L/min |
| P-11/2 | PT11/2" | 50 | 130 | 12 | 27 | 208 | 50 | 50 | 25 | 13L/min | No | No | Yes | Yes | Yes 20L/min |
Pb Type
The same size as the P Type, with a minimum flow requirement that is 80% of that model's.
PH Type
The same size as the P Type, but made from clear polycarbonate piping,
for use with high temperatures of up to 104°C and high pressures up to 1.5MPa.
PG Type
The same size as the P Type, but made from clear glass piping,
for use with high temperatures up to 104°C.
PF Type
The same size as the P Type, but made from clear glass piping with fluorine resin in the seams
and fluorine gum packing. For use with high temperatures up to 200°C.
PV Type
The same size as the P Type, but features stainless steel bearings,
making it usable for large volumes of fluids and durable for long periods of time.
Type PC

| Model | S | A | B | G | L | E | F | H | minimum flow requirement (except PCV model) | PCb | PCH | PCG | PCF | PCV model minimum flow requirement |
| PC-1/8 | Rc1/8" | 19 | 65 | 17 | 99 | 26 | 19 | 6.5 | 0.7L/min | Yes | No | Yes | Yes | Yes 3L/min |
| PC-1/4 | Rc1/4" | 19 | 65 | 17 | 99 | 26 | 19 | 6.5 | 0.7L/min | Yes | No | Yes | Yes | Yes 3L/min |
| PC-3/8S | Rc3/8" | 22 | 70 | 20 | 110 | 28 | 23 | 8 | 2L/min | Yes | No | Yes | Yes | Yes 5L/min |
| PC-3/8L | Rc3/8" | 25 | 80 | 20 | 120 | 32 | 26 | 8 | 2L/min | Yes | Yes | Yes | Yes | Yes 5L/min |
| PC-1/2 | Rc1/2" | 32 | 90 | 24 | 138 | 36 | 32 | 10 | 3L/min | Yes | Yes | Yes | Yes | Yes 8L/min |
| PC-3/4 | Rc4/3" | 38 | 100 | 26 | 152 | 40 | 38 | 15 | 5L/min | Yes | Yes | Yes | Yes | Yes 10L/mn |
| PC-1 | Rc1" | 44 | 115 | 30 | 175 | 46 | 46 | 20 | 9L/min | No | No | Yes | Yes | Yes 15L/mn |
| PC-11/4 | Rc11/4" | 50 | 130 | 35 | 200 | 50 | 50 | 25 | 13L/min | No | No | Yes | Yes | Yes 20L/mn |
| PC-11/2 | Rc11/2" | 50 | 130 | 35 | 200 | 50 | 50 | 25 | 13L/min | No | No | Yes | Yes | Yes 20L/mn |
PCb Type
The same size as the PC Type, with a minimum flow requirement that is 80% of that model's.
PCH Type
The same size as the PC Type, but made from clear polycarbonate piping,
for use with high temperatures of up to 104°C and high pressures up to 1.5MPa.
PCG Type
The same size as the PC Type, but made from clear glass piping,
for use with high temperatures up to 104°C.
PCF Type
The same size as the PC Type, but made from clear glass piping with fluorine resin in the seams
and fluorine gum packing. For use with high temperatures up to 200°C.
PCV Type
The same size as the PC Type, but features stainless steel bearings,
making it usable for large volumes of fluids and durable for long periods of time.
Since our founding, the company has accumulated 50 years of success and experience.
We can coordinate with more than 3000 domestic manufacturers,
mainly in the field of industrial machinery parts.

Our company home page (in Japanese) also contains information about our products.

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