Made in Japan
Manufacturer: Chiyoda Tsusho
Model: RJ-2F-2M/RJ-3F-3M/RJ-4F-4M

Feature:

Reliable safety
The most reliable and durable pipe seal nut among pipe joints
Minimize traffic, save energy to a minimum.
Thread part seal processing (R screw)
Lace part seal. Since it has been treated, it can be piped as it is.

Specifications:

General drawing