Johnson type Stainless Steel Nozzle Screen

Water filter nozzle, manifold, diffuser or distributor, lower with 3/4 ″ and 1 ″ NPT thread, in 316 stainless steel, for 4 GPM

Product images are illustrative and may vary from the physical product.

316 stainless steel nozzles.

They are manufactured under rigorous quality standards and the material of construction is 316 food grade steel.

Johnson type stainless steel nozzle
The micro-grooves help to carry out a good drainage, as well as an adequate flow distribution.
NPT thread.
The standard NPT thread is compatible with 3/4 ″ connections.
316 stainless steel.
Due to their application in the food and beverage industry, they are manufactured in type 316L stainless steel.

Johnson type stainless steel nozzle.

Bottom nozzle with 3/4 ″ and 1 ″ NPT thread, in 316 stainless steel, for 4 GPM

Micro-grooved nozzles are used for the retention of granular media in water treatment equipment. These media can be of any type, such as: activated carbon, silica sand, ion exchange resins, green sand, MTM, Birm, pyrolusite, among others.

Due to its application in the food and beverage industry, they are manufactured in type 316 stainless steel. This material has the advantage, compared to plastic nozzles, of being resistant to temperature, which allows the sanitization of equipment by means of steam Water.

In addition to the retention function, the micro-grooved nozzles perform a good drainage, as well as an adequate distribution of the flow, both in equipment that works under pressure, as in those that do it by gravity.

The microgroove through which the fluid circulates has a "V" shaped cut, with the most closed part towards the outside of the nozzle. This design prevents plugging.

The microgroove is continuous and has a total flow area approximately twice the sectional area of the connection nipple that has a nominal diameter of ”NPT. This means that the microgroove is not a restriction to flow and therefore causes minimal pressure drop.

The opening of the collector is 0.18 mm in the most closed part, which is the one that has contact with the granular medium, it allows to directly retain any granule larger than 40 mesh. This means that gravel beds are not required as support.


Brand: Carbotecnia.

Made of polished 304 or 316 Stainless Steel.

Connection: 3/4 ″ and 1 ″ NPT nipple.

External part micro slot opening: 0.18 mm.

Diameter: 2 ″ (50 mm)

Grooved Area Height: 1 1/16 ″ (40mm)

Overall height: 3.5 ″ (90 mm)

Maximum Suggested Service Flow: 4 GPM (15 LPM)

Suggested Maximum Backwash Flow: 6.5 GPM (25 LPM)

Pressure collapse: 300 PSI (2070 kPa)

Burst Pressure: 200 PSI (1380 kPa)

Installation distance between each nozzle:

Optimal: 15 cm.

Maximum: 30 cm.

Representative image of operation

Data sheet

Johnson Type Stainless Steel 3/4 ″ Nozzle

1 ″ Stainless Steel Johnson Type Nozzle

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