4ATS-R/N-GX390
![](https://y4z246.a2cdn1.secureserver.net/wp-content/uploads/2020/07/4ats-rn-gx390.jpg)
Suction: 4″ NPT, horizontal flange.
Discharge: 4″ NPT, horizontal with elbow.
Impeller: 2 vanes, semi-open type, statically balanced. Cast iron ASTM A-48, class 30.
Engine: assembled to a gasoline engine, single-cylinder, 4-stroke, air-cooled, OHV (Overhead Valve).
22M-B/A-GX390
![](https://y4z246.a2cdn1.secureserver.net/wp-content/uploads/2020/07/22m-ba-gx390.jpg)
Suction: 3″ NPT female, horizontal, bolt-on flange.
Discharge: 3″ NPT female, vertical.
Impeller: 5 vanes, semi-open with a spherical solid handling of 3/4″, statically balanced. Cast iron ASTM A-48, class 30.
Engines: assembled to a gasoline engine, single-cylinder, 4-stroke, air-cooled, OHV (Overhead Valve).
27M-B/A-GX390
![](https://y4z246.a2cdn1.secureserver.net/wp-content/uploads/2020/07/27m-ba-gx390.jpg)