Fluid Sight Glasses GN 743.5

Type: A - With reflector

Product Family Stainless Steel

Standard parts made of rustproof stainless steel have been designed for use in the food sector, in the chemical industry, for aggressive ambient conditions or for outdoor use.

corrosion-resistant
precise fit
environmentally friendly

Show all Stainless Steel products

Plastic Characteristics Stainless Steel Characteristics

Product description

Fluid sight glasses GN 743.5 offer a scratch proof sight glass of high stability. The placement of the seal on the outer diameter of the glass eliminates leakage independent from over or under tightening of the sight glass.

The outer diameter of these fluid sight glasses with recessed hex is matched to screw-in holes for pipe fittings according to DIN 3852.

The seal is embedded in a radial recess, and thus cannot be lost or squeezed out during tightening.

These fluid sight glasses can also be used on pressurized tanks. Tests regarding maximum pressure are available.

Specification

Body
Stainless steel AISI 303

Sight glass
Security glass (ESG)
Operating temperature up to 356 °F (180 °C)

Reflector for type A
Plastic, Polyethersulfone (PESU)

Circlip for type B
Stainless steel AISI 301

Seal / O-ring
Fluorine rubber (FKM)
Identification by not black finish of the seal

RoHS

Accessory

Thin Hex Nuts GN 7430

On request

EPDM seals

Part Number A - With reflector	Part Number B - Without reflector	d₁	d₂ Pipe thread	Fine thread	d₃	l₁	l₂	s


743.5-11-G3/8-A	743.5-11-G3/8-B	0.43	G 3/8	-	0.87	0.31	0.30	0.79
743.5-11-M16X1.5-A	743.5-11-M16X1.5-B	0.43	-	M 16 x 1.5	0.87	0.31	0.30	0.79
743.5-14-G1/2-A	743.5-14-G1/2-B	0.55	G 1/2	-	1.02	0.33	0.30	0.91
743.5-14-M20X1.5-A	743.5-14-M20X1.5-B	0.55	-	M 20 x 1.5	1.02	0.33	0.30	0.91
743.5-18-G3/4-A	743.5-18-G3/4-B	0.71	G 3/4	-	1.26	0.35	0.31	1.18
743.5-18-M26X1.5-A	743.5-18-M26X1.5-B	0.71	-	M 26 x 1.5	1.26	0.35	0.31	1.18
743.5-18-M27X1.5-A	743.5-18-M27X1.5-B	0.71	-	M 27 x 1.5	1.26	0.35	0.31	1.18
743.5-24-G1-A	743.5-24-G1-B	0.94	G 1	-	1.57	0.43	0.33	1.42
743.5-24-M33X1.5-A	743.5-24-M33X1.5-B	0.94	-	M 33 x 1.5	1.57	0.43	0.33	1.42
743.5-32-G11/4-A	743.5-32-G11/4-B	1.26	G 1 1/4	-	1.97	0.47	0.35	1.81
743.5-32-M42X1.5-A	743.5-32-M42X1.5-B	1.26	-	M 42 x 1.5	1.97	0.47	0.35	1.81
743.5-32-M42X2-A	743.5-32-M42X2-B	1.26	-	M 42 x 2	1.97	0.47	0.35	1.81

d₁	d₂ Pipe thread	Fine thread	d₃	l₁	l₂	s

0.43	G 3/8	M 16 x 1.5	-	0.87	0.31	0.30	0.79
0.55	G 1/2	M 20 x 1.5	-	1.02	0.33	0.30	0.91
0.71	G 3/4	M 26 x 1.5	M 27 x 1.5	1.26	0.35	0.31	1.18
0.94	G 1	M 33 x 1.5	-	1.57	0.43	0.33	1.42
1.26	G 1 1/4	M 42 x 1.5	M 42 x 2	1.97	0.47	0.35	1.81

d₁

d₂
Pipe thread

Fine thread

d₃

l₁

l₂

0.43

G 3/8

M 16 x 1.5

0.87

0.31

0.30

0.79

0.55

G 1/2

M 20 x 1.5

1.02

0.33

0.30

0.91

0.71

G 3/4

M 26 x 1.5

M 27 x 1.5

1.26

0.35

0.31

1.18

0.94

G 1

M 33 x 1.5

1.57

0.43

0.33

1.42

1.26

G 1 1/4

M 42 x 1.5

M 42 x 2

1.97

0.47

0.35

1.81

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GN 743.5 Fluid Sight Glasses Stainless Steel, with ESG Safety Glass

Product Family Stainless Steel

Product description

Specification

Accessory

On request

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