Robust Aluminium housing with borosilicate or PMMA glass insert.
You can download the data sheet here.
PROKOSCH sight glasses are suitable for application with powdered and granulated media, gases and neutral liquids.
They are inteded for installation to a piping system by means of a thread or flanges, or a combination of both.
PROKOSCH sight glasses are easy to maintain without the need of special tools and the modular design allows easy adaptation to different installation requirements.
Model 300, with DIN Flanges
| DN | L | D1 | K | D2 x i | G3 |
| 80 (3″) | 155 | 200 | 160 | 18 x 8 | R 1½” |
| 100 (4″) | 185 | 220 | 180 | 18 x 8 | R 2″ |
Model 310, DIN Flange Inlet, Extrenal Thread Outlet
| DN | L | D1 / K | D2 x i | G2 / t2 | G3 |
| 80 (3″) | 155 | 200 / 160 | 18 x 8 | R 3″ / 24 | R 1½” |
| 100 (4″) | 185 | 220 / 180 | 18 x 8 | R 4″ / 28 | R 2″ |
Model 320, with TW-Flanges
| DN | L | D1 | K | D2 x i | G3 |
| 80 (3″) | 155 | 154 | 130 | 12 x 8 | R 1½” |
| 100 (4″) | 185 | 174 | 150 | 14 x 8 | R 2″ |
Model 330, TW-Flange inlet, External Thread Outlet
| DN | L | D1 / K | D2 x i | G2 / t2 | G3 |
| 80 (3″) | 155 | 154 / 130 | 12 x 8 | R 3″ / 24 | R 1½” |
| 100 (4″) | 185 | 174 / 150 | 14 x 8 | R 4″ / 28 | R 2″ |
Model 360, Internal Thread Inlet, External Thread Outlet
| DN | PN | L | G1 / t1 | G2 / t2 | G3 |
| 80 (3″) | 10 | 105 | R 3″ / 24 | R 3″ / 24 | R 1½” |
| 100 (4″) | 10 | 135 | R 4″ / 28 | R 4″ / 28 | R 2″ |
Please download data sheet for detailed dimensions and weights.
Product configuration – most applications are covered by our standard designs. They can still be supplemented with a selection of options to suit the application. In addition, we can offer customized special designs for demanding requirements.
| Standard Variations | Code |
| Cast iron housing with steel nozzle, NBR seal | GS |
| Cast iron body with stainless steel nozzle, NBR gasket | GV |
| Stainless steel housing and nozzle, PTFE seal | VV |
Other material combinations available upon request.
| Code | Recommended Application |
| GS | Building materials, Abrasive solids |
| GV | Animal Feed, wheat |
| VV | Foodstuff |
| Options | Code |
| PTFE gasket instead of NBR gasket | PTFE |
| Outlet threaded end with coupling | *** |
Other attachments and special versions available on request.
To ensure excellent reparability and long-term spare parts compatibility, PROKOSCH ring nozzles are manufactured according to our strict manufacturing tolerances. Our employees and the ISO9001 certified quality management system, a control and measurement system from supplier to material receipt to final inspection ensures the highest quality. Furthermore, works certificates according to EN 10204 2.2 as well as 3.1, are available on request.
Model Key: //-
Examples: 330/80/GS, or 360/100/GV PTFE***Outlet fitted with Storz B Coupling
Do you have questions about a specific product?
Prokosch – Pumpen und Armaturen GmbH
In der Breitwiese 9, 76684 Östringen
Germany
© Prokosch – Pumpen und Armaturen GmbH 6/2023
