ELESA Original design 
Fluid sight glasses EN 541 made of polyamide plastic have a high mechanical strength. Therefore, they can be produced with thinner walls and with a large viewing window.
These fluid sight glasses can also be used on pressurized tanks. Tests regarding maximum pressure are available.
Assembly note:
For wall thicknesses below 0.16 in (4 mm), use thin hex nuts GN 7430.
Body
Plastic
Crystal clear Polyamide PA-T
Reflector
Aluminum
Anodized finish, natural color
Seal
Rubber NBR (Perbunan®)
RoHS
Thin Hex Nuts GN 7430 (Brass)
Thin Hex Nuts GN 7430 (Stainless Steel)
| A | With reflector |
| B | Without reflector |
| d1 | d2 Fine thread | Pipe thread | d3 | l1 | l2 | s | Recommended tightening torque in Nm |
|---|---|---|---|---|---|---|---|
| 0.51 | 3/4 x 16 | - | 1.02 | 0.59 | 0.31 | 0.87 | 3 |
| 0.75 | 1 1/16 x 12 | - | 1.38 | 0.59 | 0.39 | 1.18 | 5 |
| d1 | d2 Fine thread | Pipe thread | d3 | l1 | l2 | s | Recommended tightening torque in Nm |
|---|---|---|---|---|---|---|---|
| 0.43 | M 16 x 1.5 | - | 0.87 | 0.31 | 0.28 | 0.75 | 2 ... 3 |
| 0.55 | M 20 x 1.5 | - | 1.02 | 0.37 | 0.31 | 0.87 | 8 ... 10 |
| 0.71 | M 25 x 1.5 | - | 1.24 | 0.31 | 0.35 | 1.06 | 8 ... 10 |
| 0.71 | M 26 x 1.5 | - | 1.24 | 0.51 | 0.35 | 1.06 | 8 ... 10 |
| 0.79 | M 27 x 1.5 | - | 1.24 | 0.35 | 0.35 | 1.06 | 8 ... 10 |
| 0.87 | M 30 x 1.5 | - | 1.38 | 0.35 | 0.39 | 1.18 | 8 ... 10 |
| 0.98 | M 35 x 1.5 | - | 1.57 | 0.43 | 0.39 | 1.34 | 8 ... 10 |
| 1.18 | M 40 x 1.5 | - | 1.85 | 0.45 | 0.51 | 1.59 | 8 ... 10 |
| - | - | - | - | - | - | - | - |
| 0.35 | - | G 1/4 | 0.71 | 0.39 | 0.24 | 0.59 | 2 ... 3 |
| 0.43 | - | G 3/8 | 0.87 | 0.30 | 0.28 | 0.75 | 3 ... 5 |
| 0.55 | - | G 1/2 | 1.02 | 0.41 | 0.31 | 0.87 | 4 ... 6 |
| 0.79 | - | G 3/4 | 1.24 | 0.41 | 0.35 | 1.06 | 6 ... 8 |
| 0.98 | - | G 1 | 1.57 | 0.43 | 0.39 | 1.34 | 8 ... 10 |
| 1.18 | - | G 1 1/4 | 1.85 | 0.45 | 0.51 | 1.59 | 8 ... 10 |
| Min | Max | Price |
|---|---|---|
| 1 | 6 | $2.73 |
| 7 | 99 | $2.63 |
| 100 | 249 | $2.48 |
| ≥ 250 | $2.23 |
Our service team is available from Monday to Friday between 7:30 AM and 5:00 PM Central Time: 800-877-8351
Attention Valued Customer,
Beginning June 15, 2024, we will implement a price adjustment. Some items will have a price decrease, while others will increase. The adjustment helps ensure our commitment to providing our customers with the best products and services.
We will honor current published prices through June 14, 2024.
Customers with pricing agreements will not be effected until annual pricing is reviewed.
Thank you
J.W. Winco
