Technopolymer Plastic
Dome-Shaped Fluid Level Sight Glasses

EN 546.1
wo

Elesa Model HCFE/C


RoHS Compliant
 
Specification
Information
Sight glass: Special transparent polyamide technopolymer plastic (PA 6-T), tampoprinted red circle for oil level check
Seal: NBR rubber (Perbunan)

Shipping

Elesa® original design technopolymer plastic dome-shaped fluid level sight glasses.
Mainly used as oil circulation indicators.
Practically indestructible; even if high torque is applied there is no danger of breakage.
Resistant to aging, not alcohol resistant.
Because of the high strength of the material (considerably stronger than, for example, Plexiglass), these sight glasses can be produced with much thinner walls, resulting in clearer visibility. The ratio between bore diameter and the viewing window is much improved.
A moderate torque (not exceeding 3-12 Nm) is recommended when tightening oil sight glass so as to guarantee optimal tightness without any elastic deformation. Full details regarding torque available upon request.
Maximum continous working temperature: 230°F (110°C).
Note: When mounting fluid level sight glasses on walls of less than 4mm thickness, use nut GN 543.1.

See our Technical Section for pipe thread size details.
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BSPP Threads Table

Dimensions in:

millimeters
(inches)

Part Number
D
d1
Pipe Thread
A
B
d
d2
d3
s
Tightening Torque [Nm]
26
(1.02)
G 1/2"
10.5
(.41)
16
(.63)
19
(.75)
6
(.24)
7
(.28)
22
(.87)
4-6
31.5
(1.24)
G 3/4"
10.5
(.41)
19.5
(.77)
25
(.98)
11
(.43)
12
(.47)
27
(1.06)
6-8
42
(1.65)
G 1"
11
(.43)
24
(.94)
31
(1.22)
14
(.55)
15
(.59)
36
(1.42)
8-10