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4-way flow sight glass with 2 viewports and flange connections according to DIN EN 1092-1
4-way flow sight glass PN 16 | PN 40 | PN 63 | PN 100 | PN 160 | PN 250 | PN 320 | PN 400
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The flow sight glass type 595 with 2 sight openings in a 4-way design as a welded construction is a particularly robust version of our flow sight glasses.
A clear advantage of the 4-way design with two sight openings is that multiple inlets and outlets can be included in the process monitoring. This allows the flow of the medium to be observed from different directions and the process to be comprehensively controlled.
The type 595 is designed for operating pressures of up to 400 barg and can be easily installed between flanges according to DIN EN 1092-1. Thanks to its standard lengths according to DIN EN 558-1, the sight glass is ideal for retrofitting in existing systems.
Even with larger nominal sizes, high operating pressures can be achieved with the type 595.
The standard version with borosilicate glass is suitable for operating temperatures up to 280 °C, with an additional mica protection disc even up to 300 °C or 320 °C in combination with MAXOS® safety sight glasses according to DIN 7080.
The sealing of the valve is done with flat seals tailored to your needs from a wide range of materials. In addition to the common fiber-based seals, it also offers more demanding materials such as PTFE (Teflon®), NBR, novaphit® MST-XP, KlingerSil® C4400, and many other brand seals.
| DN | 50 | 65 | 80 | 100 | 125 | 150 | 200 |
|---|---|---|---|---|---|---|---|
| Total length (BL)² | DIN EN 558-1 FTF 2 | ||||||
| Flange dimensions | DIN EN 1092-1 | ||||||
| Free view (D1)² | 100 | 150 | 175 | 175 | 175 | 175 | 240 |
2) All dimensions are executed according to the standard, if constructively possible. Otherwise, the information from the order confirmation and the customer drawing applies.
Dimensions correspond to the nominal pressure level PN 16, other pressure levels may differ
