Type 3507…
With fixed sight star, unpainted, made of aluminium. Operating pressure 4 bar, temperature resistant up to 120 °C, with natural glass to DIN 3169.
Group B · Aluminium
Aluminium oil sight glass – round, screwed in from the front
Oil sight glass made of aluminum, round, screwed from the front, optionally with fixed reflector (viewing star) or without reflector or with float glass or borofloat glass.
Versions
The article number is made up of the type (see below) and the thread size (see tables).
Type 3517…
As type 3507…, but without sight star.
Forming the article number
Type + thread size (2nd part of the article number from the table).
| Example 1 | 3507… + …2215 = 35072215 | Aluminium, M 22x1.5, float glass up to 120 °C, with fixed sight star unpainted |
|---|---|---|
| Example 2 | 3517… + …0100 = 35170100 | Aluminium, G 1”, float glass up to 120 °C, without sight star |
Threads and dimensions
| Thread | Article no. (2nd part) | Outer Ø (D) | Sight window Ø (d) | Length (L) | Collar height (h) |
|---|---|---|---|---|---|
| Pipe thread BSP DIN ISO 228 | |||||
| G 3/8“ | …0038 |
22 mm |
9 mm |
12 mm |
4 mm |
| G 1/2“ | …0012 |
26 mm |
12 mm |
12 mm |
4 mm |
| G 3/4“ | …0034 |
32 mm |
17 mm |
12 mm |
4 mm |
| G 1“ | …0100 |
38 mm |
22 mm |
13.5 mm |
4.5 mm |
| G 1 1/4“ | …0114 |
48 mm |
28 mm |
14.5 mm |
4.5 mm |
| G 1 1/2“ | …0112 |
55 mm |
33 mm |
16 mm |
5 mm |
| G 2“ | …0200 |
70 mm |
43 mm |
16.5 mm |
5 mm |
| Metric thread DIN 13 | |||||
| M 16x1.5 | …1615 |
22 mm |
9 mm |
12 mm |
4 mm |
| M 18x1.5 | …1815 |
22 mm |
9 mm |
12 mm |
4 mm |
| M 20x1.5 | …2015 |
26 mm |
12 mm |
12 mm |
4 mm |
| M 22x1.5 | …2215 |
26 mm |
12 mm |
12 mm |
4 mm |
| M 24x1.5 | …2415 |
30 mm |
15 mm |
12 mm |
4 mm |
| M 26x1.5 | …2615 |
32 mm |
17 mm |
12 mm |
4 mm |
| M 27x1.5 | …2715 |
32 mm |
17 mm |
12 mm |
4 mm |
| M 30x1.5 | …3015 |
36 mm |
20 mm |
13 mm |
4.5 mm |
| M 33x1.5 | …3315 |
38 mm |
22 mm |
13.5 mm |
4.5 mm |
| M 35x1.5 | …3515 |
42 mm |
25 mm |
13.5 mm |
4.5 mm |
| M 36x1.5 | …3615 |
42 mm |
25 mm |
13.5 mm |
4.5 mm |
| M 42x1.5 | …4215 |
48 mm |
28 mm |
14.5 mm |
4.5 mm |
| M 48x1.5 | …4815 |
55 mm |
33 mm |
16 mm |
5 mm |
| M 60x2 | …6020 |
70 mm |
43 mm |
16.5 mm |
5 mm |
Other thread sizes, special seals (e.g. Viton) and glasses as well as hexagon version on request.