Oil Sight Glasses GN 541.5 (HFTX-HT-GL)

GN 541.5 Oil Sight Glasses, Plastic, with Prismatic Effect, Temperature Resistant up to 150 °C

ELESA original design
code: HFTX-HT-GL

Standard sheet GN 541.5 Print this page Plastic Characteristics

Product description

Oil sight glasses GN 541.5 have a high mechanical strength. Therefore, they are designed to be relatively thin.

These oil sight glasses are fitted with a window creating a prismatic effect of a “cat’s eye” to provide a clearer and unmistakable oil level reading irrespective of oil color or viscosity. The advantage of this effect becomes obvious in cases such as underfilling or overfilling and monitoring the situation under unfavorable conditions.

Oil sight glasses GN 541.5 can also be used for tanks of water or water-glycol solutions (max. 50 %). Tests regarding maximum pressure are available.

Assembly instructions:
For mounting on walls of less than 4 mm thickness please use a mounting nut GN 7430.

Specification

Plastic
Transparent, sulfonic acid-based
- Light bronze color
- Temperature resistant up to 150 °C
  (up to 180 °C for short periods of time)
- High chemical resistance
- Water-glycol resistant

Seal
- Fluorine rubber (FKM)
- Green

RoHS

Accessory

Mounting Nuts GN 7430

d₁ Window glass	d₂	d₃	l₁	l₂	s	Recommended tightening torque in Nm

9	G 1/4	18	10	6	15	2 ... 3
11	G 3/8	22	7,5	7	19	3 ... 5
14	G 1/2	26	10,5	8	22	4 ... 6
20	G 3/4	31,5	10,5	9	27	6 ... 8
25	G 1	40	11	10	34	8 ... 10
30	G 1 1/4	47	11,5	13	40,5	8 ... 10

d₁ Window glass

d₂

d₃

l₁

l₂

Recommended tightening torque in Nm

G 1/4

2 ... 3

G 3/8

7,5

3 ... 5

G 1/2

10,5

4 ... 6

G 3/4

31,5

10,5

6 ... 8

G 1

8 ... 10

G 1 1/4

11,5

40,5

8 ... 10

GN 541.5 Oil Sight Glasses Plastic, with Prismatic Effect, Temperature Resistant up to 150 °C

Product description

Specification

Accessory

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