Type KL 660 - Rectangular design
Sight glasses of type KL 660 are suitable for monitoring the liquid level in Vessels. They can be welded directly into container walls or welded on as a radiused version.
Sizes:
Size
(mm)
Mounting dimensions
View
Bolts
glass
B
Length
Width
Concealment
M10 – quantity
Dimensions
170
70
124
18
-
8
34 x 17 x 140
220
70
174
18
-
10
34 x 17 x 190
250
70
204
18
-
12
34 x 17 x 220
310
70
264
18
-
14
34 x 17 x 280
370
70
324
18
-
16
34 x 17 x 340
400
70
354
18
-
18
34 x 17 x 370
500
70
454
18
1x46
24
34 x 17 x 220
620
70
574
18
1x46
28
34 x 17 x 280
740
70
694
18
1x46
32
34 x 17 x 340
930
70
884
18
2x46
42
34 x 17 x 280
max. 16 bar(g)
heat-resistant up to 243 °C
for liquid media
for gaseous media
Overall lengths 140–1000 mm
Custom-made products possible
>50 sealing materials
Accessories available
Technical data:
Operating pressure
25 bar
Higher pressures on request
Base frame
1.4404 / 1.4571 / 1.4435 / 2.4602 Hastelloy C22*
On request with APZ DIN EN 10204-3.1 / ASME SA-240 / AD200 W2/W10
Flange thickness: 25mm*
*Others on request
Cover flange
1.4301 / 1.4404*
On request with APZ DIN EN 10204-3.1 / ASME SA-240 / AD200 W2/W10
Flange thickness: 15mm*
*Other on request
Bolts
DIN 912 A2-70 or A4-70
Countersunk screw heads
For ASME approval, imperial screws are also possible
Sight glass disc
Borosilicate glass according to DIN 7081 (up to 243°C)
Transparent or reflective glass
Gaskets (FDA-compliant):
PTFE, EPDM, Klingersil® C-4400, Reinz AFM 34, Silicone, Garlock GYLON®
Available with USP Class VI certification on request
*Other available on request
Versions:
Variant with blind hole
for welding
Variant with radius
for welding on
Both variants combinable with
continuous drainage slope
01
Decades of experience in plant engineering
02
Precision “Made in Germany”
03
Tailor-made special solutions
04
Reliable under pressure and temperature
05
Compatibility with common standards and norms
06
Fast availability and short delivery times
