Technopolymer Plastic
Fluid Level Sight Glasses
with Prismatic Reflector

EN 543.4
wo

Elesa Model HGFT.HT-PR


RoHS Compliant
 
Specification
Information
Housing: Black polyamide technopolymer plastic 
Sight glass: Special transparent polyamide technopolymer plastic (PA 6-T)
Seal: FPM rubber (Viton®)

Shipping

Elesa® original design technopolymer plastic fluid level sight glasses.
Resistant to solvents, oils, grease and other chemical agents.
Window consists of a continuous series of prisms which offer a clear oil reading. It is embedded when spraying the housing and is therefore completely leak free.
Seal is embedded in a radial undercut and will not extrude during tightening.
A moderate torque (not exceeding 3-12 Nm) is recommended when tightening oil level indicator so as to guarantee optimal tightness without any elastic deformation. Full details regarding torque available upon request.
Maximum continuous working temperature at 7 Bar pressure: 284°F (140°C).
Note: When mounting oil 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
d1
d2
Pipe Thread
d3
l1
l2
s
15
(.59)
G 1/2"
28
(1.10)
10
(.39)
8.5
(.33)
24
(.94)
18
(.71)
G 3/4"
35
(1.38)
10
(.39)
8.5
(.33)
32
(1.26)
23
(.91)
G 1"
43
(1.69)
11
(.43)
9.5
(.37)
38
(1.50)