Threaded plugs, Steel

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The dimensions of the threaded plugs GN 749 comply with DIN 908, but deviating from the latter is the elastic sealing ring (rubber). This sealling ring is retained in a radial undercut in the mating face which prevents it from dropping out and in particular it does not extrude when the plug is tightened.
The details relating to the permissible opreating pressure are non-binding recommended values and rule out any liability. They constitute no general warranty of quality and condition. The user must determine from case to case whether a product is suitable for the intended use.

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Product specification
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Catalog

GN 749 / Threaded Plugs, Steel, Zinc Plated

Information

How to Order

How to order	1	d₁
How to order	2	Type

Specification

• Steel
- Tensile strength class 5.8
- Ultrasonically and tensile tested
- Zinc plated, nano-passivated (silver / yellowish)
• Type A
Temperature resistant up to 100 °C
Sealing ring rubber NBR (Perbunan)
• Type B
Temperature resistant up to 180 °C
Sealing ring rubber FPM (Viton®)
Identification by not black finish of the seal
• Strength values of screws
• ISO-Fundamental tolerances
• Elastomer characteristics
• RoHS compliant

Dimensions


d₁			d₂ h14	d₃	l₁	l₂	s	max. permissible	recommended
								operating pressure in bar	tightening torque in Nm
M 8 x 1	-	-	12	9.9	8	4	4	400	8
M 10 x 1	-	G ⅛	14	11.9	8	4	5	400	12
M 12 x 1,5	-	-	17	14.4	12	5	6	400	25
M 14 x 1,5	-	G ¼	19	16.5	12	5	6	400	30
M 16 x 1,5	-	G ⅜	22	18.9	12	5	8	400	50
M 18 x 1,5	-	-	24	20.9	12	5	8	400	60
M 20 x 1,5	-	-	26	22.9	14	5	10	400	70
M 22 x 1,5	-	-	27	24.3	14	5	10	400	80
-	-	G ½	27	23.9	14	5	10	400	80
M 24 x 1,5	-	-	30	26.9	14	5	12	400	95
M 26 x 1,5	M 27 x 2	G ¾	32	29.2	16	5	12	400	120
M 30 x 1,5	-	-	37	32.7	16	6.5	17	400	190
-	M 33 x 2	G 1	40	35.7	16	6.5	17	400	225
-	M 42 x 2	G 1¼	50	45.8	16	6.5	22	315	360
-	M 48 x 2	G 1½	55	50.7	16	6.5	24	315	400

Data to be displayed: 30; 45; 60

Part Number
749-G11/4-A
749-G11/4-B

Part Number

Part Number	Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	Thread d1 (M)	Inch thread d1 (G)	Type
	13.50 € 7.16 €	1	Available	Same day Stock	-	1 1/4	A- Sealing with synthetic rubber NBR (Perbunan)
	16.58 € 8.79 €	1	Available	Same day Stock	-	1 1/4	B- Sealing with synthetic rubber FPM(Viton)

Standard Unit Price

Minimum order quantity

Volume Discount

Standard
Shipping Days
?

Thread d1 (M)

Inch thread d1 (G)

Type

13.50 €

7.16 €

Available

Same day

1 1/4

A- Sealing with synthetic rubber NBR (Perbunan)

16.58 €

8.79 €

Available

Same day

1 1/4

B- Sealing with synthetic rubber FPM(Viton)

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Basic information

Shape	Flanged	Mounting Hole Shape	Hex Socket	Material	Steel

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Basic Attributes

Thread d1 (M)
8

10

12

14

16

18

20

22

24

26

27

30

33

42

48
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Type
- A- Sealing with synthetic rubber NBR (Perbunan)
- B- Sealing with synthetic rubber FPM(Viton)
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Type
- 749
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Inch thread d1 (G)
1/8

1/4

3/8

1/2

3/4

1

1 1/4

1 1/2
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