ELESA original design 
Fluid sight glasses EN 546.6 are suitable for use in potentially explosive atmospheres. They comply with the European explosion protection directive (ATEX) 2014/34/EU.
A detailed operating instruction is available and included with every fluid sight glass.
These fluid sight glasses made of polyamide plastic have a high mechanical strength. Therefore, they can be produced with thinner walls and with a large viewing window.
Assembly note:
For wall thicknesses below 0.16 in (4 mm), use thin hex nuts GN 7430.
Body
Plastic
Crystal clear Polyamide PA-T
Seal
Rubber NBR (Perbunan®)
RoHS
| d1 | d2 Pipe thread | d3 | l1 | l2 | s | Recommended tightening torque in Nm |
|---|---|---|---|---|---|---|
| 0.59 | G 3/8 | 0.89 | 0.30 | 0.51 | 0.75 | 3 ... 5 |
| 0.75 | G 1/2 | 1.02 | 0.41 | 0.63 | 0.87 | 4 ... 6 |
| 0.98 | G 3/4 | 1.24 | 0.41 | 0.77 | 1.06 | 6 ... 8 |
| Min | Max | Price |
|---|---|---|
| 1 | 6 | $12.97 |
| 7 | 99 | $12.50 |
| 100 | 249 | $11.80 |
| ≥ 250 | $10.62 |
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